Frequently Asked
Questions

We answered some of your questions regarding permits, inspections, warranties and more!
Why can't I find the correct size furnace filter at my local home improvement store?

The filter installed with your Home Comfort Alliance furnace is larger and made from higher-quality materials than disposable filters found in retail stores. Filter replacement is automatically included as part of our Planned Maintenance Agreement – the most cost effective way to keep your system in efficient working condition. Replacement filters can also be purchased directly from Home Comfort Alliance. We maintain inventory of the most common sizes. 

Where can I get parts for my comfort equipment?

Your experts at Home Comfort Alliance are the best resource for identifying and supplying the correct, current parts for your system, as well as pricing and availability.

Which comfort equipment will best fit my home?

There are many factors that affect the sizing and specifications of your system, including square footage, insulation, window surface and configuration, geographic location of your home, duct sizing and arrangement, and many others. Your Home Comfort Alliance design consultant can perform an in-home load analysis to determine which equipment combinations will perfectly suit your home and your family’s needs.

What does my warranty cover?

Home Comfort Alliance provides a full parts and labor defects warranty for one year from date of installation. Manufacturer equipment / parts warranties vary and are typically longer than one year. Carrier now offers an industry-leading twenty year warranty on secondary heat exchangers on their high efficiency furnaces. Home Comfort Alliance will help to ensure you obtain maximum benefit from any applicable manufacturer warranty.

How much will a new system cost?

There is is very wide range of system sizes and capabilities.  On the lowest end, a small simple furnace replacement is about $3,000. On the higher end, a larger zoned Hybrid system (heat and a/c) with leading edge Indoor air Quality capabilities would be an investment of around $20,000. Your Home Comfort Alliance Consultant will work with you to develop a system appropriate for your needs.

Why is the SEER rating on the Energy Guide different than what my dealer quoted?

Each split system cooling unit has a nominal SEER rating. This rating can be increased with the upgrade of the indoor unit. The SEER rating of a system is derived based on the combination of equipment installed in the home. The outdoor equipment (heat pump or air conditioner), as well as the indoor equipment (evaporator coil and furnace, or air handler), play a vital role in the rating. Please see your Home Comfort Alliance representative for the information.

What is the life expectancy of my unit?

In the Pacific NW, properly maintained, furnaces, heat pumps, air conditioners and hot water heaters have normal useful lives of 10 – 15 years.

I am an Architect and need application/specification information so that I can specify Carrier products... where do I obtain this information?

Home Comfort Alliance can provide you with the specifications, and can also set you up to access the Carrier HVACpartners web site so that you can access the information yourself. If you are seeking specifications on older equipment, so as to specify something similar, it will be helpful if you have the model and serial number available.

How do I program my thermostat?

If you know what type of thermostat you have, one of our service coordinators can send you the manufacturer’s instructions.  If you do not know what type of thermostat you have, we may schedule a service visit for a technician to assist you.

The inspector came but did not say anything, does he have to sign off my permit?

Sign offs for permit inspections are done electronically.  Should any items require correction, the inspector will inform you of that and then you will want to inform us immediately, so that we may address it.

Do I have to schedule my permits and do I have to be home?

Your installation coordinators will provide you with the information for scheduling the required inspections and what to expect.  You will need to be at home for the inspection visit.

What is the warranty on my furnace, odu and coil?

Our service coordinators can assist you in locating the model and serial number for your equipment and contacting the manufacturer to confirm the warranty information.

What our Customers are Saying!

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.
Great!
Gayle Detweiler
Gayle Detweiler
20:52 08 Aug 22
Really pleased with my experience. Installation was timely, the staff were knowledgeable and our AC works great. Pricing was transparent and reasonable for what we get. Not sure what else you can ask for.
Alex Hogan
Alex Hogan
16:27 08 Aug 22
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
Billy Reese
Billy Reese
02:03 02 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
Kelly Kjostad
Kelly Kjostad
20:44 21 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
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
Mikel and Ina installed our new gas furnace and thermostat. They arrived on time and worked through the morning. They kept us informed and showed us how the unit was different, how to change filters and use the new thermostat. The old unit and all materials were removed, everything was left in great condition.
Penny Blair
Penny Blair
04:08 08 Jul 22
Family owned they've been taking care of us for 20 years
Tracy Sharpe
Tracy Sharpe
03:22 01 Jul 22
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Emergency Service Available
info@homecomfortalliance.com
LOCATION
9680 153rd Ave NE,
Redmond, WA 98052

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