Trusted Installation, Repair & Maintenance of Radiant Heat Systems, Boilers & Indirect Water Heaters

We Fix What Others Can't

Carlson Mechanical specializes in the installation, repair, and maintenance of radiant heat systems, boilers, and indirect water heaters. Our mechanics provide King County and Snohomish County with residential and commercial service, from installing new multi-zone hydronic heat systems to restoring turn-of-the-century steam heat. We have developed a deep understanding of how things work, which is why we're often called on to solve problems when other companies can't—our expertise allows us to quickly diagnose the situation so we can get to work fixing it. With customer service as our highest priority, our goal is to make working with us as stress-free as possible. Whether we're making a quick repair or installing a new heating system, we go all out to deliver a better value than other companies!

Heating 19th to 21st Century Homes


Lynn M.

As far as your crew goes, I could not be more impressed! We had complete confidence in Riley leading the team and Arik as his right-hand man. I know that Dennis and James were also here and everyone represented you well. There was clear communication during the whole process and everyone was pleasant, friendly, professional, respectful and appeared highly capable.

Melissa C.

I really appreciated the time you took to answer all of our questions, assisting with the planning and placement of the radiators, the constant communication about the status of our project. . . I have nothing but good things to say about Carlson Mechanical.

Ron and Nancy

One of the smartest things we have done is change to your high efficiency gas boilers. Since we did it, the cost of heating our 3 buildings has gone down over 50%. The removing and installing operations went seamlessly and all the personnel that worked on the project were outstanding and extremely conscientious to our needs.

The Hoalonds

Your company can really be proud of your employees, their work in putting the new boiler furnace in my home. They were very organized, efficient and worked steadily, even when answering the many questions given to them. They were always on time, bright and cheerful and friendly all the time they were here.

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Boiler Expertise

Serving the Seattle Metropolitan Area from Everett to Redmond to Renton