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Tips and Advice

Easy Home Upgrades to Improve Energy Efficiency

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Lowering your home’s energy bills doesn’t have to mean a full renovation or investing thousands of dollars. In fact, some of the most effective ways to boost your home’s energy efficiency are also the easiest—and many will pay for themselves in just a few months through reduced utility costs.

Whether you’re trying to make your home more sustainable, improve comfort, or simply save money, these simple upgrades can make a big difference. From smart technology to HVAC improvements, here are five easy ways to upgrade your home and enjoy better efficiency every season.

1. Upgrade to a Smart Thermostat

Your thermostat is the brain of your HVAC system—and upgrading to a smart thermostat is one of the quickest ways to reduce energy waste. Modern models, like the Lennox iComfort® smart thermostat, offer much more than basic temperature control.

Benefits of a Smart Thermostat:

✔ Control your home’s temperature remotely from your smartphone or tablet.
✔ Automatically adjusts based on your schedule, weather patterns, or when you leave the house.
✔ Offers real-time energy usage insights to help you make smarter choices.
✔ Reduces heating and cooling costs without sacrificing comfort.

With zoning capabilities and integration with voice assistants like Alexa or Google Assistant, smart thermostats make efficiency easy and convenient.

2. Replace Old Light Bulbs

Still using incandescent or CFL bulbs around the house? Upgrading to LED lighting is a small change that delivers big savings.

Why LEDs Make Sense:

✔ Use up to 75% less energy than traditional bulbs.
✔ Last up to 25 times longer, meaning fewer replacements and less waste.
✔ Available in multiple brightness levels and color temperatures for every room.
✔ Emit less heat, which helps keep rooms cooler in the summer.

Whether you’re swapping out bulbs one room at a time or upgrading your entire home, this is one of the most cost-effective energy efficiency improvements you can make.

3. Seal and Insulate Ductwork

Many homeowners don’t realize that leaky ductwork is one of the biggest sources of energy waste. In fact, the U.S. Department of Energy estimates that up to 30% of heated or cooled air is lost through holes, gaps, or poorly connected ducts.

Fixing Ductwork Can:

✔ Improve airflow throughout your home.
✔ Reduce the strain on your HVAC system.
✔ Help maintain consistent temperatures from room to room.
✔ Lower your monthly energy bills.

Professional duct sealing from a trusted provider like Marsh Heating & Air Conditioning ensures your HVAC system delivers air where it’s needed—without energy waste.

4. Install a Whole-Home Dehumidifier or Humidifier

Indoor humidity plays a major role in your comfort—and in your HVAC system’s performance. When humidity is too high or too low, your furnace or air conditioner has to work harder to compensate.

Benefits of Humidity Control:

✔ Dehumidifiers reduce sticky air and prevent mold growth in the summer.
✔ Humidifiers add moisture to dry winter air, reducing respiratory discomfort and protecting wood floors and furniture.
✔ Balanced humidity means you can run your system less often while staying comfortable.
✔ Helps protect your indoor air quality by reducing allergens and airborne irritants.

At Marsh Heating & Air Conditioning, we offer whole-home humidity solutions that integrate with your existing HVAC system for precise, energy-saving results.

5. Schedule a Home Energy Audit

Sometimes, the best upgrade you can make is knowledge. A home energy audit evaluates how your home uses energy and pinpoints areas of loss or inefficiency.

A Professional Audit Can Reveal:

✔ Areas with poor insulation or drafts
✔ HVAC performance issues or inefficiencies
✔ Opportunities to upgrade appliances or systems
✔ Tips to improve air quality and comfort

Marsh Heating & Air Conditioning can conduct a thorough HVAC inspection as part of your energy audit, identifying inefficiencies like dirty coils, leaky ducts, or aging components that affect both performance and costs.

Take the Next Step Toward a More Efficient Home

At Marsh Heating & Air Conditioning, we believe energy efficiency should be accessible and affordable. Whether you’re ready to install a smart thermostat, upgrade your air quality systems, or simply want to explore your home’s current performance, our team is here to help.

With over 50 years of experience serving homeowners in the Twin Cities, we provide:

  • Smart home system installations

  • Energy-efficient Lennox heating and cooling systems

  • Duct sealing and indoor air quality solutions

  • Honest recommendations tailored to your home and budget

📞 Call Marsh Heating & Air Conditioning today at 763.536.0667 or visit MarshHeating.com to schedule a consultation and start saving energy—one simple upgrade at a time.

Top Reasons Your Heating Bill Is So High—And What You Can Do About It

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If your energy bill seems to skyrocket every winter, you’re not alone. For homeowners in Minnesota, staying warm during long stretches of subzero temperatures is essential—but it doesn’t have to come at a steep cost. Often, the causes of high heating bills are avoidable or easily fixable. A few strategic changes can significantly reduce your energy use while keeping your home warm and comfortable.

Here’s a breakdown of the most common reasons your heating bill may be higher than it should be—and what you can do about it.

🔍 Why Your Heating Bill Might Be Too High

1. An Outdated Furnace

If your furnace is over 15 years old, it’s likely operating at 70–80% efficiency, even with regular maintenance. That means for every dollar you spend on energy, 20–30 cents may be going to waste.

Older models lack the modern features that newer systems have—like variable speed blowers or modulating heat—which help regulate comfort without constantly running at full power.

Solution: Consider upgrading to a high-efficiency model like the Lennox SLP99V, which boasts up to 99% AFUE (Annual Fuel Utilization Efficiency)—one of the most efficient furnaces available today.

2. Poor Home Insulation

Even the best furnace can’t do its job if your home is leaking heat. Drafty windows, gaps under doors, and poorly insulated attics or basements let warm air escape and cold air seep in. As a result, your heating system has to work harder and longer to maintain your desired temperature.

Solution:

  • Seal gaps with weatherstripping or caulk.

  • Insulate attic spaces, rim joists, and crawlspaces.

  • Use thermal curtains or window film in older homes to retain heat.

Not only will this help reduce your heating costs, but it also improves overall home comfort.

3. Dirty or Clogged Air Filters

A dirty air filter can restrict airflow throughout your home, causing your system to run longer and work harder to distribute warm air. In fact, this one simple issue can increase your heating costs by 10–15% and contribute to uneven temperatures in your home.

Solution: Replace or clean your furnace filter every 1–3 months, depending on usage and household factors like pets or allergies. It’s a low-cost habit that pays off in both efficiency and indoor air quality.

4. Inefficient Thermostat Use

Many households set their thermostats too high—or leave them running when no one is home. Heating an empty house wastes energy and money, and frequently adjusting the thermostat manually can lead to inefficient cycles.

Solution: Install a smart thermostat, such as the Lennox iComfort® model. These devices learn your patterns and automatically adjust temperature settings based on your daily routine and weather conditions. Some models even use geofencing to reduce heating when you’re away and increase it just before you return.

💡 Smart Ways to Lower Your Heating Bill

🔧 Schedule Regular Maintenance

Routine furnace maintenance ensures your system runs as efficiently as possible. Technicians can identify worn parts, calibrate settings, and clean components that affect performance. A well-maintained system uses less energy, lasts longer, and delivers more consistent heat.

🏠 Seal and Insulate Key Areas

Draft-proofing your home doesn’t require major renovations. Start small with:

  • Door sweeps

  • Window film

  • Foam gaskets for outlets on exterior walls

  • Insulating your attic and exposed ductwork

These improvements may qualify for utility rebates or energy incentives, saving you even more.

🔄 Upgrade Your Heating Equipment

A modern high-efficiency furnace like the Lennox SLP99V offers:

  • Variable-capacity heating

  • SilentComfort™ technology for whisper-quiet operation

  • Smart integration with iComfort® thermostats

  • Outstanding efficiency that helps reduce heating costs year after year

While upgrading is an investment, the long-term savings on energy bills—and the increased home value—make it worthwhile.

📱 Install a Smart Thermostat

Beyond convenience, smart thermostats help automate energy savings. Features like:

  • Remote access from your phone

  • Learning schedules

  • Energy usage reports

…make it easier to monitor and control heating costs in real-time.

🛠️ Marsh Heating & Air Conditioning Is Here to Help

For over 50 years, Marsh Heating & Air Conditioning has been helping Minnesota homeowners stay warm while keeping their energy bills in check. Whether you need a furnace tune-up, a home energy audit, or are ready to upgrade to a high-efficiency Lennox system, our experienced team is here to help.

We offer:

  • Precision system diagnostics

  • Honest equipment recommendations

  • Certified Lennox installations

  • Maintenance plans to keep your system running smoothly

📞 Call Marsh Heating & Air Conditioning today at 763.536.0667 or visit MarshHeating.com to schedule a consultation. Let us help you lower your heating bills—without sacrificing comfort.

Decluttering Your Home: A Room-by-Room Guide to a Cleaner, Healthier Space

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Clutter doesn’t just make your home look messy—it can affect your mental well-being, complicate cleaning routines, and even harm your indoor air quality. When dust and allergens build up around unused items and forgotten corners, they’re constantly circulated through your home—especially if your HVAC system isn’t properly maintained.

By decluttering room by room, you can transform your home into a more breathable, peaceful, and functional space. Here’s how to tackle each area of your home—and how better air quality starts with a cleaner living environment.

Living Room Decluttering
The living room is where most families relax, entertain, and unwind. But it’s also one of the first places to accumulate visual clutter, from tangled cords to stacks of magazines and rarely-used décor.

Try these steps:
✔ Purge outdated magazines, broken remote controls, and unused electronics.
✔ Use decorative storage boxes or ottomans with built-in compartments to hide remotes, chargers, and game controllers.
✔ Tame the cords with cord organizers or zip ties to reduce visual clutter and tripping hazards.
✔ Vacuum carpets and upholstery regularly, and don’t forget behind furniture—these areas trap allergens and dust.

Bonus Tip: Adding a houseplant or two can enhance aesthetics and help purify the air naturally.

Kitchen Decluttering
The kitchen is the heart of the home—but also one of the easiest places for clutter to hide. Over time, cabinets and drawers fill with items we never use, and expired food items can linger in the pantry or fridge.

Here’s how to simplify and refresh:
✔ Clear out expired pantry items, broken appliances, and those four extra spatulas.
✔ Use clear containers or labeled bins to keep shelves tidy and easy to navigate.
✔ Reorganize your “junk drawer” by removing anything that doesn’t belong in the kitchen.
✔ Clean your range hood filters and stovetop ventilation fans—they trap grease, dust, and airborne particles that lower air quality.

Regular cleaning in this space also helps eliminate moisture and odor buildup, which can contribute to mold growth or cooking fumes circulating through your HVAC system.

Bedroom Decluttering
Your bedroom should be a sanctuary—but if it’s filled with unused clothes, cluttered nightstands, and stale air, it can actually disrupt sleep and relaxation.

Refresh your space with these steps:
✔ Sort through your wardrobe, donating anything you haven’t worn in the last year.
✔ Declutter under your bed, a favorite hiding spot for dust bunnies and forgotten items.
✔ Limit decorative clutter—keep your nightstand clean and your dresser top tidy.
✔ Replace HVAC filters in this zone (or throughout the house) for cleaner breathing and better sleep quality.

Keeping your bedroom free from allergens and clutter can make a noticeable difference in your rest and overall wellness.

Bathroom Decluttering
Bathrooms are small but mighty when it comes to clutter accumulation. Between expired products and humidity buildup, they require regular attention to stay clean and healthy.

Clean with purpose:
✔ Toss expired medications, old cosmetics, and samples you’ll never use.
✔ Organize toiletries in labeled baskets or cabinet organizers to keep countertops clear.
✔ Wash or replace bath mats and towels, which trap moisture and bacteria.
✔ Clean ventilation fans and wipe mirrors to improve air circulation and minimize mold growth.

Regular bathroom decluttering supports better hygiene—and improves airflow, especially in smaller spaces prone to moisture.

Improve Your Indoor Air Quality as You Declutter
Decluttering isn’t just about visual appeal—it’s a major step toward improving the indoor air quality (IAQ) of your home.

As you clean, don’t forget to:
✔ Dust and vacuum each room thoroughly, including baseboards and vents.
✔ Replace your HVAC filter every 1–3 months, depending on usage and household needs.
✔ Consider installing an air purification system, especially if you suffer from allergies, asthma, or frequent colds.
✔ Have your ducts inspected and cleaned—clutter can cause buildup around vents and ductwork over time.

By combining your decluttering efforts with HVAC maintenance, you create a fresher, cleaner environment for your entire household.

Let Marsh Heating & Air Conditioning Help Keep Your Home Fresh
At Marsh Heating & Air Conditioning, we know that a clean, clutter-free home is only part of the equation. To truly breathe easier, your air systems need to be clean and functioning efficiently. That’s where we come in.

We offer:

  • Professional HVAC tune-ups to keep your system running smoothly
  • High-efficiency air filters and purifiers to trap allergens and dust
  • Duct cleaning services to remove hidden buildup and improve airflow
  • Humidity control solutions for healthier, balanced air year-round

📞 Call Marsh Heating & Air Conditioning today at 763.536.0667 or visit MarshHeating.com to schedule your indoor air quality assessment.

Declutter your home. Refresh your air. Feel the difference.

Fall Home Maintenance Checklist: Get Your Home Ready for Cooler Weather

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As the leaves begin to change and temperatures start to dip, it’s the perfect time to prepare your home for the colder months ahead. A proactive fall maintenance checklist can help ensure your house stays warm, energy-efficient, and problem-free throughout the winter. Tackling these essential tasks now can also prevent unexpected breakdowns and costly repairs during the peak of the heating season.

Here’s your comprehensive fall home maintenance checklist—with expert tips from Marsh Heating & Air Conditioning, your trusted partner for all things HVAC.

1. Inspect and Clean Your Gutters

Your home’s gutter system plays a vital role in directing rainwater and melting snow away from your roof and foundation. In the fall, gutters often become clogged with leaves, twigs, and debris.

✔ Remove all debris to prevent overflow and ice dams, which can cause serious water damage.
✔ Check downspouts to ensure they drain properly and are angled away from the foundation.
✔ Consider installing gutter guards to minimize future clogs and reduce seasonal maintenance.

Neglected gutters can lead to costly structural damage and mold growth—especially in freeze-thaw climates like Minnesota.

2. Seal Windows and Doors

Cold drafts can easily sneak into your home through small gaps and cracks around windows and doors, causing your heating system to work harder and raising your energy bills.

✔ Apply caulk around window frames, and use weatherstripping on doors to block drafts.
✔ Don’t forget baseboards, attic hatches, and vents, which are common culprits for air leaks.
✔ Use thermal curtains or window film for added insulation during the coldest months.

Proper sealing not only improves comfort but also reduces the strain on your HVAC system—leading to energy savings and better indoor air quality.

3. Check Your Heating System

Before the first deep freeze, it’s important to make sure your furnace or heating system is in good working order.

✔ Test your thermostat to ensure it responds correctly and maintains your desired temperature.
✔ Turn on your furnace for a few minutes and listen for unusual sounds like clanking or screeching, which could signal mechanical issues.
✔ Replace or clean your air filter to improve airflow, system efficiency, and indoor air quality.

The earlier you check, the more time you have to schedule service if repairs or adjustments are needed.

4. Clean Your Fireplace and Chimney

If your home has a fireplace, especially a wood-burning one, now’s the time to prepare it for safe, efficient use.

✔ Clear out ashes and soot from the firebox.
✔ Inspect for creosote buildup, which is highly flammable and should be professionally cleaned.
✔ Schedule a chimney sweep if it hasn’t been cleaned in the past year.

Even if you only use your fireplace occasionally, annual maintenance is important for fire prevention and proper ventilation.

5. Schedule a Professional Furnace Tune-Up

Your furnace is the heart of your home during winter, and a pre-season tune-up ensures it’s ready to handle the months ahead.

✔ A tune-up includes inspecting components, tightening connections, checking fuel lines, and testing for carbon monoxide leaks.
✔ Routine maintenance improves system efficiency, extends the life of your furnace, and helps prevent unexpected breakdowns.
✔ You may also catch small issues early—before they turn into costly repairs on the coldest day of the year.

Marsh Heating & Air Conditioning Is Your Fall Comfort Partner

At Marsh Heating & Air Conditioning, we know that fall preparation isn’t just about staying warm—it’s about creating a safer, more efficient home. With over 50 years of experience serving the Twin Cities, we offer:

  • Expert furnace tune-ups and safety inspections

  • Air filter replacements for cleaner air and better performance

  • Honest guidance on repairs or replacements when needed

  • Maintenance plans for peace of mind all season long

Whether your system just needs a checkup or you’re ready to upgrade to a more energy-efficient furnace, we’re here to help make sure your home stays cozy—no matter how cold it gets outside.

📞 Call Marsh Heating & Air Conditioning today at 763.536.0667 or visit MarshHeating.com to schedule your fall HVAC maintenance.

Don’t wait for the first frost—get ahead of winter with our expert fall maintenance services.

How Humidity Affects Your HVAC System & Home Comfort

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Humidity plays a crucial role in maintaining a comfortable and efficient home environment. Too much or too little humidity can impact your HVAC system’s performance and your overall well-being. Here’s how humidity levels affect your home and what you can do to maintain the perfect balance.

The Ideal Indoor Humidity Level

For optimal comfort and HVAC efficiency, indoor humidity levels should be maintained between 30-50%. Levels outside this range can cause various problems for both your home and health.

Effects of High Humidity on Your Home and HVAC System

  • Increased Energy Costs: Excess moisture makes your air conditioner work harder, consuming more energy.
  • Mold and Mildew Growth: High humidity encourages mold and mildew, which can lead to health issues and damage to your home.
  • Poor Air Quality: Excessive moisture promotes dust mites and allergens, affecting indoor air quality.
  • Uncomfortable Living Conditions: A sticky, damp atmosphere can make your home feel warmer than it actually is, leading to excessive AC use.

Effects of Low Humidity on Your Home and HVAC System

  • Dry and Itchy Skin: Low moisture levels can cause skin irritation, dry eyes, and respiratory discomfort.
  • Increased Static Electricity: Low humidity can lead to annoying static shocks and damage to electronics.
  • Damage to Wood and Furniture: Insufficient moisture can cause wood to crack, warp, or become brittle.
  • HVAC Inefficiency: Dry air makes it harder for your heating system to maintain comfortable temperatures, increasing energy costs.

How Your HVAC System Regulates Humidity

  • Air Conditioners: Remove excess moisture from the air while cooling your home.
  • Dehumidifiers: Help control excessive moisture in humid climates or during summer months.
  • Humidifiers: Add moisture to the air in dry winter months to prevent dryness-related issues.
  • Ventilation Systems: Ensure proper air circulation and prevent moisture buildup.

Tips for Maintaining Proper Humidity Levels

  • Use a Hygrometer: A simple humidity meter can help you monitor indoor humidity levels.
  • Run Exhaust Fans: Use fans in kitchens and bathrooms to remove excess moisture.
  • Seal Leaks and Insulate Properly: Prevent excess moisture or dryness from infiltrating your home.
  • Upgrade Your HVAC System: Consider adding whole-home humidifiers or dehumidifiers for automatic humidity control.

When to Call an HVAC Professional

If you experience persistent humidity issues, your HVAC system may need maintenance or an upgrade. A professional technician can assess your system’s performance and recommend solutions to ensure balanced indoor humidity.

Ensure Year-Round Comfort with Proper Humidity Control Maintaining the right humidity levels is essential for both comfort and HVAC efficiency. If you’re experiencing humidity problems, contact Marsh Heating & Air Conditioning today. With over 50 years of experience, we can help you find the perfect solutions for a healthier and more comfortable home.

How to Allergy-Proof Your Home—And Why Your HVAC System Matters

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If spring and fall leave you sneezing, congested, or with watery eyes—even indoors—you’re not alone. Allergies don’t stop at the door, and for many homeowners, indoor air can actually be more polluted than what’s outside. But the good news is, with a few smart changes and the right HVAC solutions, you can dramatically reduce allergens in your home.

At Marsh Heating & Air Conditioning, we understand the challenges Minnesota families face when it comes to indoor air quality. With over 50 years of experience serving local homeowners, we know how to help you breathe easier—season after season.

Why Indoor Allergies Are So Common

Allergens like pollen, dust mites, pet dander, mold spores, and volatile organic compounds (VOCs) can accumulate indoors—especially in tightly sealed homes designed for energy efficiency. While that efficiency helps with heating and cooling costs, it also means airborne irritants get trapped inside, circulating through your HVAC system.

If your HVAC system isn’t optimized to filter, clean, and properly circulate air, those allergens keep coming back—leading to symptoms like:

  • Nasal congestion
  • Itchy or watery eyes
  • Coughing and wheezing
  • Headaches and fatigue

Top Ways to Allergy-Proof Your Home

  1. Change Your HVAC Filters Regularly

A clean filter is your first line of defense. Standard filters should be replaced every 1–3 months, but allergy sufferers should consider upgrading to high-efficiency pleated filters (MERV 11–13) or even HEPA filters if your system allows it.

  1. Invest in Whole-Home Air Purification

Portable purifiers help in single rooms, but whole-home systems are more effective for consistent, house-wide protection. The Lennox PureAir™ Air Purification System removes over 99% of airborne particles, including pollen, mold spores, dust, pet dander, and even airborne viruses and bacteria.

This system:

  • Works silently with your HVAC system
  • Breaks down odors and VOCs
  • Requires minimal maintenance

It’s one of the most comprehensive air purification solutions available—and we install them right here at Marsh Heating.

  1. Control Indoor Humidity

Dust mites and mold thrive in high humidity, while dry air can irritate sinuses. Maintaining your home’s humidity between 30% and 50% helps reduce allergens and supports respiratory health.

Lennox Healthy Climate® humidifiers and dehumidifiers work in tandem with your HVAC system to automatically balance humidity levels based on your needs and the season.

  1. Clean Your Ducts (When Necessary)

Over time, ducts can accumulate dust, debris, and allergens. While not every home needs duct cleaning regularly, if your system hasn’t been checked in years—or if you’ve recently renovated—it’s a good idea to have a professional inspection.

  1. Keep Up with Maintenance

An unmaintained HVAC system can become a breeding ground for bacteria and mold. Schedule annual maintenance with Marsh Heating to ensure your system is clean, efficient, and working in your favor—not against it.

Simple Daily Habits That Help

In addition to optimizing your HVAC system, small lifestyle changes can help reduce allergy symptoms:

  • Remove shoes at the door to keep outdoor allergens out
  • Wash bedding weekly in hot water
  • Use an allergen-proof mattress cover
  • Bathe pets regularly to reduce dander
  • Vacuum often with a HEPA-filter vacuum
  • Wipe down hard surfaces to remove dust and pollen

Allergy Relief Starts with Better Air—And the Right Partner

When it comes to reducing indoor allergens, your HVAC system plays a major role—but it takes more than just changing your filter. From installing air purification and humidity control systems to performing regular maintenance, Marsh Heating & Air Conditioning is here to help you create a cleaner, healthier home.

We are proud to be a locally owned company serving Minnesota families for over five decades. As a trusted Lennox dealer, we provide access to industry-leading indoor air quality products that make a real difference.

📞 Contact Marsh Heating & Air Conditioning today to schedule an indoor air quality consultation and breathe easier all year long.


How Lennox Thermostats Work with Smart Homes for Ultimate Convenience

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Smart home technology has transformed the way we live, offering convenience, customization, and control like never before. From smart lighting to voice-activated assistants, today’s homeowners are building intelligent environments designed to make everyday life easier. At the center of home comfort in this smart evolution is the Lennox smart thermostat—a powerful tool that not only keeps your home at the perfect temperature but also works seamlessly with the rest of your smart home ecosystem.

At Marsh Heating & Air Conditioning, we specialize in installing Lennox iComfort® thermostats that bring together comfort, energy efficiency, and the convenience of advanced technology. Whether you’re looking to reduce energy bills or simply enjoy the luxury of a climate-controlled home from your smartphone, Lennox thermostats are designed to deliver.

Smart Home Features of Lennox Thermostats

Lennox thermostats go far beyond traditional temperature control. These devices are equipped with advanced features that allow you to take full command of your home’s comfort from anywhere—and with minimal effort.

✔ Voice Control Integration

Lennox thermostats can be controlled using your favorite smart assistants, including Amazon Alexa, Google Assistant, and Apple Siri (via Apple HomeKit integration). This means you can simply say, “Set the temperature to 72 degrees,” without lifting a finger. It’s a small feature that adds a big layer of convenience—especially when you’re cooking, relaxing, or heading to bed.

✔ Remote Access from Anywhere

Using the iComfort® app, you can monitor and adjust your home’s climate settings no matter where you are. Forgot to turn the AC down before leaving for vacation? No problem. Want to warm the house up before you get home on a snowy evening? You can do it all from your smartphone, tablet, or computer.

✔ Geofencing Technology

One of the most innovative features available is geofencing. The thermostat detects when you leave or approach your home using your phone’s location. It then adjusts the temperature automatically—saving energy while you’re away and ensuring comfort when you return. No more wasting energy heating or cooling an empty house.

✔ Air Quality Monitoring

Comfort isn’t just about temperature. Some Lennox smart thermostats can also monitor indoor air quality by detecting humidity levels and airborne pollutants. When paired with compatible Lennox air purification systems, your thermostat can automatically activate filtration or ventilation to keep your indoor environment fresh and healthy.

Best Lennox Smart Thermostats for Smart Homes

Whether you’re just starting your smart home journey or already have a fully connected system, Lennox offers a smart thermostat to fit your needs and your lifestyle.

📡 iComfort® S30 Smart Thermostat

This is the most advanced smart thermostat Lennox offers. The S30 does more than adjust temperature—it learns your routines, monitors your environment, and makes real-time adjustments for maximum comfort and efficiency.

  • Compatible with Alexa, Google Assistant, and Apple HomeKit

  • Features Smart Away™ and Schedule IQ™ technology

  • Provides weather updates and allergy reports

  • Integrates with other Lennox indoor air quality products

📡 iComfort® E30 Smart Thermostat

The E30 is ideal for homes that already have a smart system in place but want an energy-optimizing upgrade.

  • Works with a wide range of HVAC systems and smart platforms

  • Includes features like Feels Like™ temperature control and Allergen Defender

  • Offers customizable comfort settings with easy-to-use touchscreen and app controls

📡 iComfort® M30 Smart Thermostat

Looking for a budget-friendly option that doesn’t sacrifice performance? The M30 delivers smart features in a simplified package.

  • Offers app and voice control

  • Includes Smart Away™ and Schedule IQ™

  • Easily integrates with existing Lennox systems

Why Smart Thermostats Make a Smart Investment

Adding a Lennox smart thermostat to your home isn’t just about modern convenience—it’s also a smart investment in energy efficiency and home value. These thermostats can help reduce your monthly utility bills, increase your HVAC system’s lifespan by avoiding unnecessary runtime, and provide data-driven insights into your usage patterns. Many homeowners even qualify for energy rebates through utility companies when they install qualified smart thermostats.

Upgrade with Marsh Heating & Air Conditioning

As a trusted Lennox Premier Dealer, Marsh Heating & Air Conditioning has been serving the Twin Cities for over 50 years. We can help you choose the best Lennox smart thermostat for your home and install it with expert precision. Whether you want to upgrade your current system or build a new smart home from the ground up, we’re here to guide you every step of the way.

📞 Call Marsh Heating & Air Conditioning at 763.536.0667 or visit MarshHeating.com to schedule your smart thermostat upgrade today.

The Benefits of a Professional HVAC Maintenance Plan

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Your HVAC system works hard year-round to keep your home comfortable, but without regular maintenance, it can become inefficient, prone to breakdowns, and costly to repair. A professional HVAC maintenance plan ensures your system stays in top condition, providing you with multiple benefits. Here’s why investing in a maintenance plan is a smart decision for your home and wallet.

Improved Energy Efficiency

Regular HVAC maintenance helps ensure that your system operates at peak efficiency. Clean filters, properly lubricated components, and calibrated settings allow your system to use less energy while maintaining optimal performance, reducing your monthly utility bills.

Extended Equipment Lifespan

Just like routine oil changes extend the life of your car, scheduled HVAC maintenance can add years to the life of your heating and cooling systems. By addressing minor issues before they escalate, you can avoid premature system failure and costly replacements.

Fewer Costly Repairs

Small problems can turn into expensive breakdowns if left unchecked. During routine maintenance, HVAC professionals inspect, clean, and tune up your system to catch issues early, reducing the risk of major repairs.

Consistent Comfort

A well-maintained HVAC system provides more consistent heating and cooling throughout your home. You won’t have to deal with uneven temperatures, weak airflow, or systems struggling to keep up with seasonal demands.

Better Indoor Air Quality

Dust, pollen, mold, and other airborne pollutants can accumulate in your HVAC system over time. Regular maintenance includes cleaning or replacing filters and checking for issues like mold growth, improving the air you breathe inside your home.

Priority Service and Discounts

Many HVAC maintenance plans include priority scheduling for service calls, meaning you won’t be left waiting if something goes wrong. Plus, members often receive discounts on repairs, parts, and even new system installations.

Compliance with Manufacturer Warranties

Most HVAC manufacturers require proof of regular maintenance to honor their warranties. A maintenance plan provides documented service records that ensure you stay compliant, potentially saving you thousands on covered repairs or replacements.

Safer Operation

A faulty HVAC system can pose safety risks, such as gas leaks, electrical hazards, or carbon monoxide buildup. Professional inspections help identify and resolve safety concerns before they become serious threats.

Peace of Mind

Knowing your HVAC system is professionally maintained allows you to focus on enjoying your home without worrying about unexpected breakdowns or rising energy costs.

Increased Home Value

If you plan to sell your home, a well-maintained HVAC system can be a selling point. Prospective buyers appreciate a system that has been regularly serviced, which can enhance your home’s overall value.

Sign Up for a Maintenance Plan Today! Investing in a professional HVAC maintenance plan is one of the best ways to protect your home comfort system. At Marsh Heating & Air Conditioning, we offer comprehensive maintenance plans designed to keep your heating and cooling system running efficiently year-round. Contact us today to learn more and enjoy worry-free comfort.  763.536.0667

Reliable Comfort in Every Room: Why the Lennox GWB9-IH Boiler Is a Smart Home Upgrade

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When Minnesota’s winter weather hits hard, homeowners need a dependable heating solution that delivers consistent warmth, energy efficiency, and long-lasting performance. For those with hydronic heating systems or looking to upgrade their existing boiler, the Lennox® GWB9-IH Boiler offers a smart, reliable option designed for both comfort and savings.

At Marsh Heating & Air Conditioning, we understand the importance of staying warm without overpaying on energy bills. That’s why we proudly recommend Lennox heating products like the GWB9-IH, engineered for superior performance and peace of mind.

What Is the Lennox GWB9-IH Boiler?

The GWB9-IH Boiler is a high-efficiency, gas-fired water boiler from Lennox. Designed for homes with radiant or hydronic heating systems, this unit efficiently heats water and circulates it through your home’s radiators or underfloor tubing to provide clean, comfortable heat.

Unlike forced-air systems, boilers offer a quiet, dust-free way to heat your home. The GWB9-IH delivers on that promise—and more—with modern technology and high-quality construction.

Key Features & Benefits

✅ Up to 90% AFUE Efficiency

AFUE (Annual Fuel Utilization Efficiency) measures how much fuel a system converts into usable heat. The GWB9-IH boasts up to 90% AFUE, meaning 90 cents of every dollar spent on fuel goes directly toward heating your home. That’s a significant improvement over older boilers, which often waste 30% or more of the fuel they consume.

✅ Cast-Iron Heat Exchanger for Longevity

This boiler is built to last. Its cast-iron heat exchanger is known for durability and heat retention, ensuring steady performance year after year. It’s a perfect match for Minnesota’s harsh winters, when reliable heat is a must.

✅ Electronic Ignition for Fuel Savings

Unlike outdated systems that keep a pilot light burning around the clock, the GWB9-IH uses an electronic ignition system. This feature lights the burners only when needed—saving energy and reducing fuel waste.

✅ Compact Design

Worried about space? The GWB9-IH is designed with a compact footprint, making it ideal for homes with limited mechanical room space or smaller basements. Despite its size, it doesn’t compromise on performance.

✅ Sealed Combustion System

The sealed combustion system draws air from outside rather than from inside your home. This improves indoor air quality and enhances energy efficiency, particularly in tightly insulated or newer homes.

Is a Boiler Right for Your Home?

Boilers offer several advantages over traditional forced-air systems:

  • Even, radiant heat that eliminates drafts and cold spots

  • Quieter operation, with no noisy fans or blowing air

  • Better air quality, with no dust or allergens being circulated

If your home already uses baseboard heating or in-floor radiant heat, upgrading to the GWB9-IH is a seamless improvement that enhances both comfort and efficiency.

Why Choose Marsh Heating & Air Conditioning?

At Marsh Heating & Air Conditioning, we’ve been helping Twin Cities homeowners stay warm and save energy for over 50 years. Our expert technicians are trained in boiler installation, maintenance, and repair, ensuring your Lennox GWB9-IH Boiler is installed correctly and built to perform.

When you work with us, you can expect:

  • Personalized system recommendations tailored to your home’s needs

  • Professional installation that meets all safety and code requirements

  • Ongoing maintenance plans to keep your system running efficiently

Ready to Upgrade Your Home Heating?

Don’t wait until the next cold snap to think about your boiler. The Lennox GWB9-IH Boiler is a smart investment for homeowners seeking dependable, energy-efficient heat with the added benefit of long-term savings.

📞 Call Marsh Heating & Air Conditioning at 763.536.0667 or visit MarshHeating.com to schedule a consultation and find out if the GWB9-IH is the right fit for your home.

Let us help you stay warm, comfortable, and energy-smart—all season long.

Common Energy-Wasting Habits You Need to Stop

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For many homeowners, high energy bills are just accepted as part of daily life—especially during the cold Minnesota winters or humid summer months. But what if some of that cost could be avoided? The truth is, many households engage in small, everyday habits that waste energy without even realizing it.

By breaking these habits, you can significantly lower your utility bills, reduce strain on your HVAC system, and lessen your environmental footprint. Here are some of the most common energy-wasting behaviors—and what to do instead.

1. Leaving the Thermostat Set Too High or Too Low

Setting your thermostat too aggressively is one of the most common (and costly) energy mistakes. Many people believe that cranking the heat in winter or blasting the AC in summer will provide quicker comfort—but all it really does is overwork your HVAC system.

Instead:

  • In winter, set your thermostat to 68°F when you’re home and lower it a few degrees at night or when you’re away.

  • In summer, aim for 78°F while you’re home and bump it up when you’re out.

  • Better yet, invest in a smart thermostat, like the Lennox iComfort®, which automatically adjusts based on your habits and preferences—saving energy without sacrificing comfort.

2. Ignoring Air Filter Changes

Your HVAC system relies on proper airflow to operate efficiently. When filters become clogged with dust, dirt, and debris, your system must work harder to move air through the ducts, using more energy in the process.

What to do:

  • Check your filter monthly, especially during peak heating or cooling seasons.

  • Replace it every 1–3 months, or more often if you have pets or allergies.

  • Consider high-efficiency filters that trap more particles without reducing airflow.

Clean filters mean better performance, better air quality, and lower energy bills.

3. Heating or Cooling an Empty House

Why pay to heat or cool your home when no one’s there to enjoy it? This is a common habit that can cost homeowners hundreds of dollars per year in wasted energy.

How to fix it:

  • Adjust your thermostat settings when you leave for work, vacation, or even just a few hours.

  • Use your system’s eco-mode or set up schedules to avoid unnecessary heating and cooling.

  • A Lennox smart thermostat can take this a step further by detecting your location and making adjustments automatically.

Not only will you save money, but you’ll also come home to comfort—without the waste.

4. Blocking Vents and Registers

Sometimes energy waste isn’t about settings—it’s about airflow. When furniture, rugs, or curtains block air vents and registers, your system can’t distribute air evenly. This forces it to work harder to achieve the desired temperature.

Energy-saving tip:

  • Make sure all vents and registers are clear of obstructions.

  • Periodically vacuum dust and debris around registers to ensure full airflow.

  • Consider a home airflow evaluation to check for balance issues in multi-story homes.

Even small obstructions can reduce your system’s efficiency and increase your energy usage.

5. Skipping Regular HVAC Maintenance

Your heating and cooling system is a major investment, and like any machine, it needs routine care to function properly. Skipping maintenance can lead to lower efficiency, more breakdowns, and higher energy bills.

Stay ahead by:

  • Scheduling seasonal tune-ups in spring and fall.

  • Having a professional inspect, clean, and test your system.

  • Signing up for a maintenance plan to keep your HVAC running smoothly year-round.

Regular maintenance can extend your system’s lifespan and ensure it operates at peak efficiency—especially when you need it most.

Let Marsh Heating & Air Conditioning Help You Break Bad Habits

At Marsh Heating & Air Conditioning, we know that small changes can lead to big savings. Our experienced team offers:

  • HVAC inspections to uncover inefficiencies

  • Air filter replacements to improve airflow

  • Smart thermostat upgrades to automate comfort

  • Comprehensive maintenance plans for long-term energy savings

With over 50 years of trusted service in the Twin Cities area, we’re here to help you eliminate energy-wasting habits and build a more efficient, comfortable home.

📞 Call Marsh Heating & Air Conditioning today at 763.536.0667 or visit MarshHeating.com to schedule your energy-saving service.

Let’s work together to lower your energy bills and build smarter habits—starting today.

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Marsh Heating & Air Conditioning
6248 Lakeland Ave N
Brooklyn Park, MN 55428
(763) 536-0667