New Look….Same Promise of Comfort!
We’re expanding our offerings and reach to better serve our customers! LEARN MORE

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Providing Comfort For Over 40 Years

Your Heating & Cooling Experts.
Proudly Serving King, Pierce, and Snohomish Counties!

Service & Maintenance

Keep your system safe and efficient through maintenance:

24/7 Emergency Service
Service ALL Brands & Equipment
Duct Cleaning

Installation

Find a full range of heating, cooling, and air quality systems including:

Consultation

Meet with our friendly, expert consultants available by appointment:

Heat Loss Calculation
Home Comfort Assessment
Written Options

MM Comfort Systems provides heating and air conditioning experts for Seattle, Bellevue, Tacoma, Redmond, and the greater Puget Sound area!

Professional maintenance is essential to keeping your home comfort system operating safely and efficiently. To this end, we offer several services to improve the life and quality of your heating and air conditioning equipment.
Check to see if we service your area!

COVID-19 Update: Our staff has participated in Covid-19 Safety & Health Awareness training by the National Institute of Environmental Health Sciences. We are taking recommended precautionary measures for the safety of our employees and customers. #WeGotThisSeattle
Special Offers
Save up to $1,700
Beat the summer heat at home for a low cost! Save up to $1,700 on on qualifying Carrier Air Conditioners, Heat Pumps or Ductless Systems during our pre-season cooling sale.
Sale Ends 6/30/2021

Sales date ends June 30th.
The promotion applies to qualified Carrier Air Conditioners, Heat Pumps and Ductless Heat Pumps only.
Not combinable with other retail offers or promotions.
Discount example: 25VNA460A & Infinity Controls

Why Choose MM Comfort Systems?

The reason we keep our customers for life is because of the way we conduct our business.
Competence
Keeping people comfortable in their homes since 1977
Experts in all facets of HVAC: design, installation & service
NATE Certified Technicians and ongoing industry standard training
Quality
Background screened and drug tested employees
Shoe coverings, dropcloths and clean jobsites
Quality installations that exceed industry standards
Dependability
Proven HVAC products from industry leaders
5 year labor warranty on all new equipment
Employees empowered to do the right thing
Satisfaction
Review ratings that lead the industry
Follow up calls after every install
We do all we can to discover and deliver on your expectations
Your Local Home Comfort Specialist

At MM Comfort Systems, we want you to spend time enjoying all the things that make your home, home, and WE’LL make sure it’s comfortable for everyone who’s there. We asked our customers what “home” means to them, watch what they have to say.

Our Accreditations

ACCA Quality Assurance Accredited
ACCA
Snohomish Registered Trade Ally
Snohomish County
North American Technician Excellence Certified
NATE award
Accreditated Business
MM Comfort Systems BBB Business Review
Carrier Authorized Dealer
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Angie's List Super Service Award
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Read our real customer reviews below!
I connected with MM Comfort Systems through Costco. My installers Luis and Mario were excellent and very knowledgeable. Everything was done on time and very professionally. They let me stick with them through all the work and it was very enlightening. While observing all the work being done, I realized what a great value I was getting for my dollar. The equipment is of high quality and fully functioning right out of the boxes!
Bruce Wyatt
Bruce Wyatt
21:19 17 Aug 22
MMComfort Systems was the third bid that we received. It took the longest to schedule, but it was definitely worth it to get a top of the line HVAC system professionally installed at a reasonable price. Ruslan and Dallas did an outstanding job installing the furnace and AC! Our dog even liked them! I especially appreciated the time Rus took to answer my questions and walk me through the new system. I also appreciated that MM Comfort was able to schedule the installation, the electricians and the duct cleaning all in 3 days. My wife and I are very happy!
L Marckx
L Marckx
20:47 17 Aug 22
I was extremely pleased with the professionalism and knowledge that our installers Mikel and Ina displayed . They answered all of our questions . They worked in a very timely manner and was extremely thorough in their clean up process. We had a great experience in using MM Comfort Systems.

The Sims Family
Bonney Lake, Washington.
Jayne E. Sims
Jayne E. Sims
00:46 12 Aug 22
Zach & Jeremy came in to replace a furnace and install a new heat pump. We went with the Carrier Infinity system and they did a really professional job with the installation. They were prompt, on time and courteous. They did a good job and everything passed inspection without any issues. Plan on using MM Comfort Systems for all our HVAC repairs and maintenance.
The mini split system we purchased works great! I have lived in this house for over 40 years and expected the system to be good, but this is fantasic! We purchased through Costco and got a great price. The installers Mikel and Ina were efficient and friendly. They left the areas where they worked completely cleaned up! I highly recommend MM Comfort Systems!!
Mona Wiles
Mona Wiles
15:26 08 Aug 22
We had A/C installed on one of the hottest days so far of the summer. The installation team worked so hard in the heat and did an amazing job. Great experience all around. Thank you!
Anna Bisch
Anna Bisch
05:16 08 Aug 22
We ordered our mini-split duct a/c system from Costco, who used MM Comfort Systems as the provider. MM did a great job, especially our two installers, Matt and Alex, along with Jennah and Hannah in the office. thanks.
Hugh Lawrence
Hugh Lawrence
19:37 07 Aug 22
Sam and Antonio did a great job with our installation. They answered all of our questions patiently and finished the job without any issues. I highly recommend them and MM Comfort Systems.
Abhishek Uppalapati
Abhishek Uppalapati
16:35 04 Aug 22
This is the second time I've hired MM Comfort Systems, first time was through costco, 2nd time I reached out directly. They replaced an old furnace and installed a new AC. They were professional and on time. When they got here they looked through various parts of the ceiling and wall to determine a least intrusive way to route the AC coolant lines. Their patchwork was also well done aesthetically. They installed the components and AC was up and running within 8 hours. Drew and Jason did a great job with the unit, I have already recommended MM Comfort Systems to some neighbors.
Drake Hei
Drake Hei
23:18 28 Jul 22
I'd like to split my review into two parts, the actual installation, and the process leading up to it. The day of installation and our techs Randy & Clinton were amazing, very professional, quick, and responsive. Our units work perfectly and the installation was painless.However, the lead up to installation was a real pain. I had to go back and forth several times with the initial planner because they kept sending docs that had the AC Units in the wrong place and were missing key elements needed for our HOA approval. In general, our representative was non responsive and I had to call customer service several times just to get them to respond to an e-mail. I understand that this is an insanely busy time in Washington for HVAC installation, but this part of the process was a pain through and through.Overall, the end result is great, so I can't complain too much, but be prepared to have to do some legwork in the lead-up.
Ashton Macaulay
Ashton Macaulay
16:22 28 Jul 22
Jonny was a great electrician. He went an extra mile to teach us about the generators and other safety and practical tricks. Really satisfied with his work. The company provided a better bid than several others bids. Very satisfied
Sid H. Siahpush
Sid H. Siahpush
00:12 28 Jul 22
Sam & Zach installed my new Heater and AC system on time for this year's hot weather. They were very professional and he seems to be very detailed oriented in making sure the installation not only done properly but looked good , even facing the PVC pipe printing to towards the back. I used this company when I purchased my new heating and cooling system VIA Costco. I will highly recommend their services for others. Although the installation took a while to schedule due to their busy schedule and lack of supplies I was told. I choose the high efficiency furnace this time to save on gas and energy. Now waiting for my $2,300 refund.
Jeremy Mseitif
Jeremy Mseitif
17:16 26 Jul 22
We're delighted with the expert HVAC installation by Mike & Jeremy of MM Comfort Systems. Especially pleased with their suggestions to change locations of outdoor compressor and one indoor unit that work much better than what salesman had advised.
Joy W
Joy W
20:54 23 Jul 22
Cornell Daia
Cornell Daia
03:17 20 Jul 22
We had MM Comfort Systems install a whole house water filter and a new water heater along with installing a new kitchen faucet and a new pressure regulating valve. Chris and his apprentice did a great job. They work was clean and has performed well. We had an issue with the hot water circulation pump but Chris made the corrections. Only reason for the 4 stars is that it took quite a while to get the proposal for the work.
Ross Tanner
Ross Tanner
04:06 18 Jul 22
Chris was so helpful from the very start! He arrived right on time, diagnosed the problem, walked us through our options, and never once did we feel like we were being upsold. He replaced our water heater that day, and we are thrilled with our new appliance! Chris was kind and very easy to work with. thank you! MM Comfort Systems!
Mona Eby Chicks
Mona Eby Chicks
19:37 15 Jul 22
Recently had heat pump with mini-split units installed. Luis and Mario arrived on time each day, were considerate and professional. When a change was required, Luis explained why and what the change would entail. The work was completed in a timely way and they made sure all the units were working before they left. They picked up after themselves and left the site clean.
Kathy Carson
Kathy Carson
19:32 15 Jul 22
Got the AC and Heating system installed. Installation was done efficiently and on time. Mikel and Ina were absolute best with their work. Made everything easy, answered all the questions and kept it clean. Highly recommend MM.
shyam kumar nukala
shyam kumar nukala
20:51 11 Jul 22
Drew and Louis showed up on time and quickly installed and tested the furnace. And they were very courteous as well. Nice job!
Michael North
Michael North
16:03 22 Jun 22
MM Comfort Systems (Home Comfort Alliance) came out to install a new furnace and A/C unit. From start to finish, we were kept informed about everything. Zach & Devin showed up on time and informed us about everything they were doing and how things worked. They worked diligently, and were knowledgable about the process. They answered all of our questions. I would recommend this company for service as well as install.
Angie Kay
Angie Kay
17:48 17 Mar 22
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Our Office

24 HOUR EMERGENCY SERVICE AVAILABLE
7 DAYS A WEEK
WORKING HOURS
Office: M-F 8am - 5pm
Services: 24/7
425-533-9058
Give us a call 24/7
LOCATION
9680 153rd Ave NE,
Redmond, WA 98052

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To our Customers and Employees,

 

We are reaching out to inform you that MM Comfort Systems is taking the spread of COVID-19 very seriously. We are fully operational to serve the comfort needs of our customers, and as we continue to provide service and installations throughout the greater Puget Sound area, we want to assure you that the well-being of our community is our top priority. Following recommendations from both the CDC and the Washington State Department of Health, we have taken and are continuing to take measures of precaution to ensure the safety and wellness of our customers and employees.

At our facilities

 

  • Employees have been instructed to adhere to CDC recommendations for sanitization and social- distancing.
  • Employees who have any cold or flu symptoms are required to stay at home until symptom free for at least 3 days or 7 days after symptom onset, whichever is longer.
  • Should an employee have exposure to someone who has a confirmed or suspected case of COVID-19, they are expected to remain home for 14 days for health monitoring.
  • Hand sanitizing stations have been setup throughout our facilities.
  • Frequency of sanitization in our facilities has been increased and cleaning crews are taking extra precautions throughout their regular deep cleans.
  • All in person team meetings and group functions have been cancelled for the time being.
  • Personnel who can perform their jobs from home are doing so.
  • We are limiting contact and practicing social-distancing with our vendors and other potential outside visitors.

In your home

 

  • Our field staff has been trained be mindful of sanitization in your home and they have been equipped with gloves, disinfectant and masks. Please be advised that they will likely arrive wearing their masks and gloves.
  • Although, our technicians will not arrive to your home wearing a mask, they will be happy to wear one at your request. It is standard practice for a technician to wear a mask if entering a crawl space or attic area.
  • Our technicians have been informed to respect social distancing in your home.
  • Our technicians have been instructed to follow these procedures:
  • Use gloves whenever possible.
  • Wipe down all equipment or thermostats at the completion of the job.
  • Frequently wipe down their tablet using disinfecting wipes.
  • Frequently wipe down the inside of their vehicle and frequently touched items with disinfecting wipes.
  • Our customers are no longer asked for signatures on tablets.

Please inform us in advance of your appointment if you or anyone in your household are showing any of the symptoms of the Coronavirus or have tested positive for the Coronavirus. The World Health Organization has identified symptoms as shortness of breath, fever, and persistent cough

h. We will work together to find a solution for the services you need while ensuring the safety of everyone involved.

Should we find that any changes to our scheduling is necessary during this time, we will let you know as soon as we know. We are continuously monitoring the COVID-19 situation and will take whatever measures are necessary to ensure the safety of you and our staff.