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MM Comfort Systems installed a Mitsubishi ductless heat pump at my house recently. The house was originally built with hydronic heating, so the mini split is an addition and provides AC plus a second option for heating. Had a very good experience with MM. The salesman, Russel, was very professional. The installers, Sam and Antonio, did a really nice job on the install and the installation looks extremely tidy. I can't comment on the long term durability of the Mitsubishi at this point since I've only had it for a few weeks, but so far its performing very well.
Simon Hepburn
Simon Hepburn
03:49 05 Dec 22
Got nothing to say but the best interaction I’ve gotten from a contracting company. We went thru Costco to get a new gas furnace and ac setup. Drew, Jason, and Jeremy was my main crew who did the install. I had to work during most of the install but Drew always contacted me with any issues that came up and also let me decide where I wanted things to go. I thought that was very nice because most people would just do whatever that was easier for them to get the job done. I had a gas line installed to the meter also, I didn’t get to meet him nor the electrical guy but they both also did an amazing job.Update: forgot to mention that I had a hard time getting ahold of the sales department. Left atleast 3 Emails until I got a answer back. Wanted to add another product to my system but I’m waiting for a email response. The install crew were too notch. But the sales side and appointment side, not so great!
thi sok
thi sok
17:11 29 Nov 22
We found MM through Costco. They had the best price. Everyone was very nice and professional. The installation team, Jose and Alex were great! Thank you.
Mario Ramos
Mario Ramos
17:42 24 Nov 22
MM Comfort Systems recently installed a new A/C unit in our home, and their service was excellent. Manny and John were extremely professional on site. We highly recommend MM Comfort Systems.Cary Paine
Cary Paine
Cary Paine
16:20 17 Nov 22
Our installers, Carlos and Carlos, Jr did an excellent job in doing both a furnace and an AC installation in the same day. They were very focused to get the job done so that we could get our heat for the cold night.
Farhad Mazandarany
Farhad Mazandarany
19:30 15 Nov 22
Clinton & Randu did great.
Kyle Louie
Kyle Louie
22:14 07 Nov 22
Carlos Sr & Carlos Jr were prompt and very courteous throughout the installation. The new system runs amazingly well and we highly recommend both the company and servicemen.
Natosha D Hayes
Natosha D Hayes
20:01 05 Nov 22
Very seamless process having two AC units installed. A lot of detailed work, including tight spaces in the attic and basement, and Luis and Mario were very polite and experienced and explained all the steps.
Robert Payne
Robert Payne
19:12 04 Nov 22
Our installers, Mikel and Ina, did a fantastic job installing our AC unit. They were extremely kind and professional. The quality of work is excellent, and they made we were set up for success before they left. Thank you!
Kevin Walton
Kevin Walton
04:30 30 Aug 22
Zach did an excellent job with our furnace installation. He was professional, courteous and took the time to explain our new system. I am very pleased with the job he did.
Aimee Osland
Aimee Osland
22:04 18 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
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
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
Thanks to MM for managing through the tough supply chain issues to complete my install ahead of the summer season! Kudos to Joey, Travin & Joseph! Greatly appreciate your professionalism and tidiness! Also would like to thank Jenah, Isabela, Vince and team for all the help and organizing all of the follow ups needed. Great service and follow up!
Jennifer Rubin
Jennifer Rubin
17:27 15 Mar 22
I would give them 6 stars if available, Drew & Jason did a great nice clean job at my house, I installed an A/C unit at my house and I’m very happy with it.

Thanks
MM did an outstanding job installing our home AC.
Sam and Zach arrive on time an were true professional at their job. They made some positive suggestions on some changes to the install that were great.
I would recommend Sam and Zach as well as MM to anyone with complete confidence.
I look forward to working with them in future.
Denis Whitcomb
Denis Whitcomb
15:50 18 Feb 22
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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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About MM Comfort Systems

MM Comfort Systems believes your comfort should never be compromised. Over the years, we’ve finessed our delivery of HVAC products and services to a unique level of service we’ve become known for: #FixitFast #InstallitRight

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EMERGENCY SERVICE AVAILABLE
7 DAYS A WEEK
WORKING HOURS
Office: M-F 8am - 5pm
Services: 24/7
LOCATION
9680 153rd Ave NE,
Redmond, WA 98052

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