Commercial HVAC
Design and Build Services

Our commitment to your commercial HVAC design & build goes far beyond merely meeting a schedule and staying within a budget. Before we cut a single piece of sheet metal, we carefully plan every aspect of the job, coordinating with other trades and figuring out the smallest details in advance.

Project Management

Our job is to make your projects go smoothly. If your project is not properly managed, a lot of things can go wrong: costs overrun, schedules slip, building occupants complain, and efficiencies are lost.

At Home Comfort Alliance, we understand, which is why we take a proactive and comprehensive approach to defining, designing, and delivering every project. We provide professional, trusted advisor Project Management designed to define and meet your expectations every time. We’ve been specializing in HVAC related projects since 1965, so we know buildings and we know how to get projects done on time and within your budget.

Comfortable Environments. Smooth Projects. Energy Efficiency. Tenant Retention. If these are the concerns you have, call on the company you can trust: Home Comfort Alliance.
project planning


Tenant Improvements

When you want it done yesterday, call us today.

Every time a tenant leaves, there’s potential for expensive downtime until a new tenant moves in. But you can drastically reduce downtime and ensure a smooth, quick transition by calling in the Home Comfort Alliance Special Projects & Tenant Improvements team.

We're extremely aware of the importance of responding quickly to your tenants’ needs. Because of this, we have assembled a quick-response team that excels at performing work on very fast track projects.

And we don't just do our work fast, we do it right. Whether you're changing office space, revising computer room systems, correcting poor zoning, or undertaking any other kind of tenant work or retrofit project, you're assured of Home Comfort Alliance quality and attention to detail throughout.

This all adds up to the fastest, most comprehensive, experienced, and expert remodeling and retrofit team available. But of course, you wouldn't expect less than that from Home Comfort Alliance.
MMCS commercial
Commercial HVAC service, design in Seattle-Tacoma

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

Years Experience
Installations Completed
Comfort Club Members

What our Customers are Saying!

Fast, efficient and friendly service!
Bob Bertoia
Bob Bertoia
Excellent service
Fifi Hayat
Fifi Hayat
I use these guys to keep my old furnace up and running in good shape--Devin is a furnace whisperer-thanks for great service through the years
Jan Jarvis
Jan Jarvis
Jane Liu
Jane Liu
Paul Cournoyer
Paul Cournoyer
Very honest, straightforward, tuned in to our needs and expectations and wants, much more a consultant than a salesman….superb
Easy and quick appointment scheduling. A text was sent when technician was on his way. Travis was polite, informative and efficient. I would recommend this company and will use them again in the future.
Monica Oung
Monica Oung
Mike was awesome at his job friendly and honest about everything we talked about
scott dolan
scott dolan
Ryan at Home Comfort Alliance is SO great to work with. He listened intently to my concerns and addressed all of them. He took his time and was never rushed. And he explained all his work in detail when asked. This is the third time Ryan has been out to our house, and we continue to highly value his work and plan to use Home Comfort Alliance again for future needs.
James Grazko
James Grazko
Very thorough and informative with AC options for economical, quietest and heat pump.Also share about promotions and credits with PSE.They are literally a one stop shop.
Nikiel Taylor
Nikiel Taylor
Reliable, very Great Communication from everyone involved. Excellent system. I have a Mitsubishi Hyper Heat that keep my 2300 sq ft Rambler 73 degrees during the freezing temperatures. Highly Recommend HCA. Very Knowledgeable Staff with alot of experience.
Top Dawg
Top Dawg
Service was very professional. I am very happy with attention to details on overall quality ☺
Jiri Zapletal
Jiri Zapletal
Mm Comfort systems did great work for us. They redid a faulty and complex heat pump installation and left us with no problems
Matt Coleman
Matt Coleman
Thank you so much for coming out and servicing our furnace in such a timely manner. Isaac was very knowledgeable and professional.
Tammy Rasmussen
Tammy Rasmussen
William was awesome! Super knowledgeable and fixed our blower in 5 minutes. Highly recommend using HCA! Thank you so much! 🙏
Jonathan Liu
Jonathan Liu
We can't say enough about how great the service was for us at Home Comfort Alliance. Lily was so kind and so helpful and got us on the schedule when our pipes froze, broke and the hot water tank crashed. Ryan, the service technician was absolutely one of the best service technicians we have EVER had. He was so thoughtful, patient, kind, professional, skillful and he got the job done in the freezing cold and rain. Always with a smile, and such a great attitude. We are so grateful and will for sure use HCA again! Thank you!!!
Gail Buquicchio
Gail Buquicchio
We so appreciate your service. We are elderly and not able to repair the problem with the furnace. Our pipes were frozen and needed thawing. We are now thawing out ourselves in this frigid cold spell. Thank you 😊
Vernetta Hesson
Vernetta Hesson


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Office: M-F 8am - 5pm
Emergency Service Available
9680 153rd Ave NE,
Redmond, WA 98052

1404 Riverside Drive
Suite G
Mount Vernon, WA 98273

3409 Everett Ave.
Everett, WA 98201

5373 Auto Center Way
Suite 205
Bremerton, WA 98312

3202 C St NE
Auburn, WA 98002

13701 24th Street E.
Suite A5
Sumner, WA 98390

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