Heating & Cooling Services in Sammamish, WA


Our company will take care of all your Sammamish heating and cooling services. This includes HVAC, plumbing and electrical services in Everett, WA. We keep your home and commercial properties comfortable. Our experts in Sammamish ensure all your home comfort systems are safe, efficient and reliable.





Mother and child playing on a white rug

Air Conditioning Installation

Rely on an air conditioning installation team you can trust for your Sammamish home. At Home Comfort Alliance, we always work hard and use quality products to provide our customers with the best results. Whether you just need an installation or an existing unit replaced, we’ll handle everything and give you the quality service you deserve.

Air Conditioning Maintenance & Repairs

Don’t lose money to a poorly maintained air conditioning unit. Sammamish residents can save big by partnering with us for one of our maintenance agreements. Work with us to receive annual tune-ups and inspections sure to keep your system healthy and efficient.





The last thing any homeowner wants in the middle of summer is a broken air conditioner. Luckily, we’ve got you covered. Just call Home Comfort Alliance and one of our skilled technicians will be on the case. Before making any repairs, we’ll provide a cost estimate, so you know what you’re paying for. With our 24/7 availability and expert knowledge, you can trust us to provide solutions that are effective and long-lasting.

Heat Pump Installation, Maintenance & Repairs

Heat pumps are wonderful and energy-efficient systems. If you’re a homeowner interested in saving both money and going green, consider the option. They work by exchanging hot and cold air from within and outside of a home. This is a more energy-efficient alternative to standard units that warm or chill air themselves. For Sammamish homes interested in considering this technology or if you have any other inquiries, contact our team today. For residents who already have a heat pump system and are interested in repairs or maintenance, contact us today and get in touch with one of our knowledgeable team members to handle any of your needs.

Electric and Gas Furnaces

A popular heating choice for Sammamish residents is the electric furnace. Electric furnaces operate a lot like hairdryers. They pull air in and heat it by using electricity to get their internal electrical components hot. As air passes over these heated materials, it too warms. Then the heated air is redistributed back into a home to provide heating. They’re common, simple, and safe. Home Comfort Alliance has decades of experience working with them.





In the other corner are gas furnaces that are also great for your home. Gas furnaces are a great choice for many Sammamish residents. Gas units can warm a house very quickly and provide enormous heat output that often cannot be matched by alternatives.
Furnace installer making a delivery

Water Heater Installation, Maintenance & Repairs Sammamish, WA

Water heaters need proper installation and service to work correctly. A perfectly good water heater can be wasted by neglect and fail to live up to its expected usable lifespan. That’s why Sammamish residents hire Home Comfort Alliance to take care of all their water heating needs. Whether you need a water heater replacement, installation, or servicing, Home Comfort Alliance handles everything.

Generator Installation, Maintenance & Repairs Sammamish, WA

Don’t be unprepared when disaster strikes. Get ready for future power supply issues or severe weather conditions with a home generator. Check out our range of generator options for Sammamish, Washington, and hire our technicians to install the perfect system for your home.

Why Choose Home Comfort Alliance to Install Your New System?

Our #InstallitRight Reputation

Before your Comfort Crew installation team even arrive at your home, each install is previewed by an experienced field supervisor for the fit and function of your equipment. We take the time to perform load calculations, a step other contractors sometimes skip. Industry standards and best practices are taken into account to assure the best possible outcome. We do our best to head off challenges before they have a chance to happen. It’s how we make sure the job is done right the first time. If a problem does occur, rest assured that we have a process in place to remedy any concerns quickly and appropriately.

We'll Listen and Make It Easy

Your home is unique and your desires may be unique too. Some jobs are more challenging than others and require thinking outside the box. We’ll listen to clearly define your expectations and give you options so you can choose the right system for you. You’ll never feel pressure. Your 3 day right to cancel will be explained, and it won’t delay the job. We will apply for and procure all necessary permits and post required stickers, as well as provide you with details for scheduling the inspection at a time convenient for you.

We'll Call You to Check In

We make it a priority to ensure your complete satisfaction. At the end of your installation, we’ll call you later that day just to make sure everything went as expected.

Home Comfort Alliance 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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Years Experience
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Installations Completed
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Comfort Club Members
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
A Rating Angie's List
Angie's List
Read our real customer reviews below!

Scott Jewell

12 hours ago

Response from the owner:Thank you for sharing your experience! Our team at Home Comfort Alliance works hard to ensure every service call—from AC repair to heat pump installation—delivers lasting comfort. We’re proud to be your trusted partner in home comfort.
Samuel Lin

12 hours ago

This was our annual HVAC Maintenance Check-up. Kedrick was on time, wore shoe covers, explained what he was doing and had recommendations for related services. He was thorough in his check-up and provided a copy of his findings and assessment. Good service call.
Response from the owner:We’re so happy to hear you loved your experience! Our technicians and comfort specialists take pride in delivering 5-star HVAC, plumbing, and electrical service throughout Western Washington. Thanks for choosing Home Comfort Alliance—your comfort is always our mission.
Marianne Klaas

14 hours ago

Thanks Ram for your steadfast service and kind help to restore pilot lights after restoring gas.
Response from the owner:Marianne, thank you for the wonderful review. We’re glad Plamen was able to provide thorough, efficient maintenance, catch the hole in the vent, and walk you through options for the small AC leak. We really appreciate you recognizing his expertise and skills.
Shannon Gere

20 hours ago

Kind, flexible, easy to work with. Came in, did the job and answered my question. No issues.
Response from the owner:Thank you for sharing your experience! Our team at Home Comfort Alliance works hard to ensure every service call—from AC repair to heat pump installation—delivers lasting comfort. We’re proud to be your trusted partner in home comfort.
Vivian Chung

21 hours ago

Carter Owen came to our house to perform complimentary maintenance check on our new heating/cooling system. He was very patient with me as I have a lot of questions about the new system especially with cleaning, usage, and on-going maintenance checkup with Home Comfort. He answered all my questions while he performs the checkup and showing me how to clean the mini units. I really appreciate his effort, time, and patience!! Thank you again for all your help!!!
Response from the owner:Vivian, thank you for the wonderful review. We’re glad Carter was able to walk you through the maintenance check, answer all your questions, and show you how to clean the mini units so you feel confident using your new system. We truly appreciate your trust in Home Comfort Alliance – Redmond.
Denny Christensen

22 hours ago

Response from the owner:Thank you, Denny, for the 5-star rating. We really appreciate your support and are glad you had a great experience with our team at Home Comfort Alliance – Redmond.
Edward M

23 hours ago

Very thorough
Response from the owner:Thank you for sharing your experience! Our team at Home Comfort Alliance works hard to ensure every service call—from AC repair to heat pump installation—delivers lasting comfort. We’re proud to be your trusted partner in home comfort.
Jae Kwon

2 days ago

I appreciate the professionalism and patience to listen to my concern and answer my question in detail. I feel that the whole organization is trying to do the best to meet the customer needs and I appreciate the follow up calls and survey to do better.
Response from the owner:Your 5-star review made our day! We’re honored to help homeowners throughout the Seattle–Tacoma metro and the Puget Sound stay comfortable with professional heating, cooling, and electrical services. Thanks for supporting a local company that’s committed to excellence and community.
Brenda Watson

2 days ago

Response from the owner:Thank you, Brenda, for the 5-star rating. We really appreciate your support and are glad you chose Home Comfort Alliance – Everett for your HVAC needs.
Rick Cook

2 days ago

Josh was great, and was very knowledgeable.
Response from the owner:Thank you so much for the wonderful review, Rick! We're delighted to hear that Anton provided professional and thorough service. We look forward to continuing to assist you with your HVAC needs at Home Comfort Alliance – Everett.
Tom O'Meara

2 days ago

Response from the owner:Thank you for sharing your experience! Our team at Home Comfort Alliance works hard to ensure every service call—from AC repair to heat pump installation—delivers lasting comfort. We’re proud to be your trusted partner in home comfort.
Mary Nordby

3 days ago

I am grateful to Allen, who has serviced my heating and cooling system for over 10 years. He is always on time. Takes the time to explain my system and its functions. He is kind hearted. Thank you Allen.
Response from the owner:We’re so happy to hear you loved your experience! Our technicians and comfort specialists take pride in delivering 5-star HVAC, plumbing, and electrical service throughout Western Washington. Thanks for choosing Home Comfort Alliance—your comfort is always our mission.
Robin Richie

3 days ago

Steve showed up on time and was efficient with the repairs. Highly recommend Home Comfort Alliance.
Response from the owner:Your 5-star review made our day! We’re honored to help homeowners throughout the Seattle–Tacoma metro and the Puget Sound stay comfortable with professional heating, cooling, and electrical services. Thanks for supporting a local company that’s committed to excellence and community.
Marilyn Dickson

3 days ago

Steve was on time, courteous, and efficient. Excellent service!
Response from the owner:We’re so happy to hear you loved your experience! Our technicians and comfort specialists take pride in delivering 5-star HVAC, plumbing, and electrical service throughout Western Washington. Thanks for choosing Home Comfort Alliance—your comfort is always our mission.
Timothy McWilliams

3 days ago

Original star rating : 3
Edited after corrections: After the install and speaking with the lead installer, the issues below have been addressed and fixed. Jeff was very professional and made sure all my concerns were addressed. I'm satisfied with the outcome and would recommend them in the future.
Original review:
I recently had a new heat pump, air handler, and thermostat installed. Everyone I worked with was very friendly and professional.
That being said, on the original day of install which was a Monday, they didnt show up. I called and left a voicemail asking what's going on and received a return call about 30 min later saying both of the installers and the dispatcher called out sick. Could they have been actually sick, sure. But my main issue after the phone call was the feeling that no one would have have reached out and informed me that they weren't coming if I didnt call. Especially after we made accommodations for the install to take place.
The new install date was moved to the Friday of the same week. They showed up withing their givin window of 7:30-9am and work till around 5:30pm. My wife was home and said they were nice and respectful, especially since she was working from home
More of my issues arise as I inspect their work after they leave, and they left in a hurry.
Starting outside: The insulation outside the house from the heat pump to the crawl space looks terrible, they left screw holes unsealed from the old wiring, the left trash and parts laying around, the left a dewalt drill in my driveway as well as a tool case on my deck.
Inside the house I will say the new thermostat they installed looks great. But the did leave a bit of a mess on the floor from some duct sealant and a disorganized pile of paperwork left on the counter. I also found the plug of where they hole sawed through the floor just chilling on the rug as well as the saw dust made from drilling just sitting there. They also didn't seal the floor well as I can see into my crawl space. I haven't checked the crawl space yet but i have a feeling there is going to be something I dislike down there.
All in all everything seems to work, though after spending $17k i dont have the warm and fuzzies. I may just be being nitpicky but after spending that much money I think I'm allowed to be a little but. I feel like they did the work but didn't have the attention to detail I expected from highly rated costco installer.
Photo from customer reviewPhoto from customer reviewPhoto from customer reviewPhoto from customer reviewPhoto from customer reviewPhoto from customer reviewPhoto from customer review
Response from the owner:Thanks for letting us know how we did. While we’re happy parts of your experience were positive, we’d like to improve wherever possible. The team at Home Comfort Alliance truly values customer feedback—it helps us refine our home comfort services.
Gretchen McLaurin

4 days ago

Response from the owner:We’re so happy to hear you loved your experience! Our technicians and comfort specialists take pride in delivering 5-star HVAC, plumbing, and electrical service throughout Western Washington. Thanks for choosing Home Comfort Alliance—your comfort is always our mission.
Nuhad Dinno

4 days ago

Steve the technician was very professional and helpful .. ..
Many thanks for being prompt ..
Response from the owner:Thank you, Nuhad! We are so happy to hear this!
Mark Parrent

6 days ago

We had our furnace replaced and new central A/C installed. Our 70+ year old house presented some engineering challenges, but the technicians solved them all while not increasing the estimated price. The city electrical and HVAC inspectors both without prompting complimented the quality of the work. I got the sense that the city inspectors see some crazy things on their rounds, and they were happy in our case to see such a nice clean installation in an older house. There were a few very minor scheduling snags, but the issues were solved. Everyone was very friendly and happy and I think we got an excellent value based on a higher, competing bid from another good company. We found this company through Costco and would be happy to work with them again.
Response from the owner:We’re so happy to hear you loved your experience! Our technicians and comfort specialists take pride in delivering 5-star HVAC, plumbing, and electrical service throughout Western Washington. Thanks for choosing Home Comfort Alliance—your comfort is always our mission.
Cindy Klett

6 days ago

Joshua did a great job explaining things, very personable.
Response from the owner:We’re so happy to hear you loved your experience! Our technicians and comfort specialists take pride in delivering 5-star HVAC, plumbing, and electrical service throughout Western Washington. Thanks for choosing Home Comfort Alliance—your comfort is always our mission.
Richard robinson

6 days ago

Response from the owner:Thank you for sharing your experience! Our team at Home Comfort Alliance works hard to ensure every service call—from AC repair to heat pump installation—delivers lasting comfort. We’re proud to be your trusted partner in home comfort.

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