Seattle-Bellevue-Tacoma Furnace, Heat Pump, AC, Ductless Pros

How can we help you?

Comfort and efficiency from friendly HVAC experts you can trust.

We are specialists in design, installation and service of heating, air conditioning and indoor air/water quality systems. We have the expertise required to meet today's need for comfort, efficiency and a healthy living environment. 

MM Comfort Systems
Furnace, AC, Heat Pump

Service & Repair

Heating and Air Conditioning maintenance to keep your systems safe & efficient. Reliable repair when you need it - 24x7. Expert service in all brands.

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Furnace, AC, Heat Pump

Replacement

Full range of installed heating, air conditioning and air quality systems: furnace, heat pump, AC, hybrid, ductless, radiant, geothermal, water heaters, etc.

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Furnace, AC, Heat Pump

Consultation

Friendly, expert consultation is available by appointment. Consultative approach includes inspection, heat loss calculation and written options.

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Utility INSTANT Rebates Available Now!!

Seattle City Light & PSE now offering rebates on heat pumps duct sealing, & more...

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Planned Maintenance Assurance (PMA) Offers

New customers can take advantage of our special offer, & more...

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CARRIER FACTORY PROMOTIONS

LIMITED TIME. CASH REBATES.

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LENNOX FACTORY PROMOTIONS

LIMITED TIME. CASH REBATES. 0% FINANCING. 

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The Air Conditioning & Heating experts for Seattle, Bellevue, Tacoma and Redmond

Professional Assessments conducted by qualified experts. We have BPI certified Home Performance consultants and auditors. 

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"From my first contact with Ken (great!) to the explanation about my new thermostat with your installers - we had a great experience. Professional,...

Christina - Woodinville, WA

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"The team did a great job working with my expectations and allowing me to direct them towards the results I envisioned"

Sean - Seattle

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"We appreciate the heads up saying you were on the way. You were on time which seldom happens with others."

Elmer and Lynn - Seattle, WA

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Seattle's Heating, Furnace, AC & Heat Pump Experts

Seattle - Bellevue - Redmond - Tacoma Experts in HVAC Systems for Furnace Heating, Air Conditioning, Duct Cleaning, Ductless Heat Pump Installations, & Energy Efficiency

Heating and Air Conditioning maintenance to keep your systems safe & efficient. Expert service in all brands. Much more than the Seattle area’s best heating and cooling company, we focus on the total performance of your home or office building. MM Comfort Systems helps you understand options to audit, maintain, repair or replace your aging HVAC systems including furnace heating repair, air conditioning, air duct cleaning or repairs, new heat pump, or new water heater insulations. Serving Seattle, Bellevue, Redmond, Tacoma and surrounding areas since 1977.

About Us
Apr 04
Spring Maintenance Tips for Your Furnace

Dirty, clogged air ducts not only hurt the efficiency of your furnace, they can also be tough on you and your family's lungs, leading to health problems. This is especially true for people... Continue Reading

Mar 17
The Basics of a Tankless Water Heater

Did you know that tankless water heaters are extremely efficient? Approximately 20 percent of your home's energy costs come from heating water for everything from running the dishwasher to... Continue Reading

Feb 16
Keep Those Air Ducts Clean All Year Round

You were probably already aware that clean air is essential to a healthy lifestyle. Without it, we wouldn't last too long! What you might not be aware of is a potential source of air... Continue Reading