HVAC, Heating, Cooling, Plumbing and Electrical Services in the Seattle-Tacoma Metro Area for Over 45 Years
Our company will take care of all the essential services and systems in your home that keep you comfortable including HVAC, plumbing and electrical services. We keep your home and commercial properties comfortable. Our experts ensure all your home comfort systems are safe, efficient and reliable.
Covering All the Essential Home Services
Our goal is to create a comfortable living environment while maximizing efficiency of your HVAC, heating, air conditioning, plumbing and electrical systems.
Efficient Home Comfort Solutions
Home Comfort Alliance is dedicated to ensuring that your home services are done professionally and efficiently. Our commitment includes a satisfaction promise to all our customers, no matter how big or small the project may be.
Why Choose Home Comfort Alliance?
Your Comfort is Our Promise
We promise...
Reliable heating, air conditioning, plumbing and electrical service - all from one trusted company.
To educate and guide you through your options so you’ll find the right solution at the right price.
Knowledgeable and respectful workers who ensure both your own comfort during the installation process, and lasting comfort from your home systems.
Outstanding service, communication, and follow-up, so your home is comfortable now and for years to come.
It's a promise we've kept with thousands of homeowners across Western Washington
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Your Local Home Comfort Specialists
At Home Comfort Alliance, 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.
A Highly Accredited Alliance of Companies
A Brief History
Home Comfort Alliance
This timeline is a historical journey of each company and how we became Home Comfort Alliance.
The beginning
B&B Heating is founded and within a few short years, they are recognized as the National Residential HVAC Contractor of the Year serving the greater Seattle-Tacoma area.
Starting with just 2 employees, GS Heating, Cooling & Electrical is founded in Everett and ultimately grows to a team of 50 while staying true to its "service first" beginnings.
Sullivan Heating
Sullivan Heating opens its doors serving Kitsap and Mason counties and builds a reputation of integrity and quality workmanship.-
Comfort Mechanical Services
Comfort Mechanical Services is established providing commercial HVAC services to the greater Puget Sound area. 
MM Comfort Systems
Key employees at B&B Heating purchase the residential side of the business and rename the company MM Comfort Systems.
Scribner Electric
Scribner Electric is established and quickly develops a reputation throughout King and Snohomish counties for professionalism and high-quality workmanship.-
MM Comfort Systems acquires Heritage Heating
MM Comfort Systems acquires Heritage Heating of Tacoma and RiteWay Gas of Auburn and opens a second location in Sumner. 
A new transformation
MM Comfort Systems is acquired by local community members with a vision of becoming the most desirable home services contractor in Western Washington.-
Joining together
MM Comfort Systems and GS Heating, Cooling & Electrical join together becoming the first two companies of Home Comfort Alliance. -
Growing Further
MM Comfort Systems purchases Scribner Electric, providing more electrical services to residential and commercial customers.
Sullivan Heating and Comfort Mechanical become part of the family of brands, adding a commercial division and extending services throughout Washington's peninsula. -
Alpine Aire Joins
Alpine Aire of Wenatchee is acquired, bringing the promise of comfort to homes east of the mountains. -
Home Comfort Alliance is established
A rebranding initiative introduces Home Comfort Alliance to represent the joining together of all our companies delivering the comforts of home.
- 2022
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- 2022
What our Customers are Saying!
We purchased a New furnace and a/c unit . we had a couple other bids and Home comfort had the best pricing.Our sales person Brandon Roberson was the first person we met with home comfort . he came to our home explained everything to us. he gave us several different options to purchasing the ac and furnace. he was very knowledgeable and helpful through explaining what the different option had comparison to the others.He also explained how the whole process of purchasing , install and permitting would be handled. very helpful. which they applied for all permits for you . which other companies didn't.once the 2 installer came they explained to us what they would be doing and walked through what we would be seeing . they got to work and WOW what a team . they communicated and where talking and helping each other out. It was nice to see a great team. they got our new furnace up and running first day . Mind you that out furnace is in our attic and they had a big task getting the old one out and the new one up there. it was a 2 day process as the ac unit was going to be brand new for our home so had to get all new ducting and wiring. they came out and just started perfectly where they left off and double checked work from the previous day . working perfectly.then they completed and told us of the next step of the next crew to come and finalize the wiring . which 3 electricians showed up with an hour of the 2 installer completing the install work. we helped them out by already having a box from an old Hot tub already back there to attach the new ac to since no longer have the hot tub. so they had a quick install and put in an extra electrical outlet for us next to it. Which is very nice to have. thank you . i think they were in and out with in less then an hour for that.again they electrician even told us of the next steps of the permit approvals going to be happening. All we had to do was contact our local city guy to come out and look and approve. i think even our city guy knows how well of a job this companies does as he said looked really good.i have called to ask a question and the customer service girl I think Hannah?? i can't remember but she helped walk me through and gave me the number to the city so i could get the inspector out. which to my surprise was out next day . If you need a great salesperson to walk you through the process Brandon Roberson was so helpful. he even stopped by the day of install to see how it was going.i highly recommend home comfort Alliance
JOY GAMACHE
18:11 24 Mar 23
We went through Costco to get AC installed for our home and Home Comfort Alliance was great from the start. Our installers, Carlos Sr and Carlos Jr, were incredibly professional, efficient, and knowledgeable. They did an amazing job and got it all done in one day. We love our new heat pump and can't wait to use it for AC in the summer.
Blair Burns
21:53 23 Mar 23
Iceman Top Gun
05:48 20 Jan 23
Carlos and Carlos Jr. did a wonderful job for my new heat system (Lennox). Thank you for your hard work.
Kim Phan
00:57 17 Jan 23
This company has far exceeded our expectations! Very professional! I highly recommend them! Thank you to the whole team!
K Cricket
20:50 15 Jan 23
We just had our indoor units hydrowashed. We have had the system for over ten years. The difference is amazing! Where we were using 3 and 4 for fan speed before the washing, We are now using 1 and 2 to maintain heated rooms. Glad you have the unit and glad we had it done. I am guessing having it done every few years as necessary as we have a dusty neighborhood.
George Wilson
20:38 11 Jan 23
Excellent experience and fast professional installation of our mini split ductless system. Highly recommend Sullivan Heating and Cooling.
David Elmore
16:22 24 Dec 22
Fast, friendly service! Figured out our furnace wasn’t working during the first cold snap of the year, they still got us in fast and had great communication!
Anna Shurts
20:55 11 Nov 22
Maria and her team did a fantastic job of replacing our hvac duct work. They showed up on time and we’re very respectful of our home. They cleaned up their work so well, you would never have known they were there. I will recommend them to all my friends and family.
Laura DeSantis
10:32 04 Sep 22
Great!
Girley
20:52 08 Aug 22
Billy Reese
02:03 02 Aug 22
Kelly Kjostad
20:44 21 Jul 22
Geoff and the team at Sullivan did a fantastic job replacing our aging HVAC system. We had a complex system and the team assessed our needs and designed a great solution for our 2 story home. I got 4 bids and the Sullivan bid was by far the best design. The other companies just wanted to replace our system with the same. Design was 100% Execution was 100% Thanks Geoff and team.
Allan Scozzafave
00:02 29 Jun 22
Cool guys I dealt with today. They seem laid back and down to earth. I had an interview with them earlier today. Hopefully we can work something out.
Shawn Chance
23:42 21 Apr 22
Advice from your Home Comfort Experts
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Have ALL the comforts of Home!
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