Boiler & Radiant Heating Services
Maintenance, Repair, & Installation

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Call or Click to Schedule Boiler & Radiant Heating Services

Serving the Greater Seattle Area


Complete Mechanical is Seattle's local boiler and radiant heating system expert. Call today to schedule your:

Repair   Pre-Season Maintenance   Replacement or Install

Our highly skilled boiler and radiant system technicians and installers can take care of any service need or issue you may have.

Call us today to schedule the boiler repair, pre-season maintenance, replacement, or new installation you need. Let your local radiant heating and boiler specialists take care of your issues today.

We provide service and repair for all makes and models.

Navien Boilers

Navien Boilers

Rinnai Boilers

click the logo above to learn more about the boilers we carry.


  • Boiler & Radiant Heating Maintenance, Repair, Replacement, & Installation

Complete Mechanical is known as the Seattle radiant heating experts and provide radiant heating and in-floor radiant heating systems for your residential, commercial, industrial & greenhouse radiant heating needs.

Radiant heating Seattle and beyond, specializing in radiant in-floor, under floor and baseboard heating systems.

With over 20 years of experience in the Seattle radiant heating, Seattle in-floor radiant heating and hydronic heating industry. We’ve successfully installed radiant heating for 100’s of homes and businesses.

Whether you need a commercial radiant heating system or a residential radiant heating system, Complete Mechanical can help you with all of your Seattle radiant heating and geothermal heating needs.

Clearing the Air

We know that Forced air systems blow hot air in your home, but what most of us don't realize is that forced air also pushes dust, allergens and other airborne particles in every room.

Healthy Living

By improving indoor air quality we can reduce many occurrences of asthma, allergies, medical bills and more.

Reduce Pollutants

Studies show that dust mite populations are reduced by as much as 90% in radiant heated homes.

Relax at Home

Quiet and peaceful environment, free of noisy fans and blowers.

Call or email us today to learn more about Seattle Radiant Heating and how Complete Mechanical can help with the installation for your home or business.

Seattle Boiler Repair Services


Do not spend another winter dealing with a boiler that does not get the job done, let Complete Mechanical take care of you and your Seattle Boiler Repair and get your system working at its best performance.


  • Scheduled Boiler Repair
  • Emergency Boiler Repair

Boiler Pre-Season Maintenance


We offer all types of heating services for your Seattle Boiler Maintenance. No matter what the situation is with your boiler, our technicians will most probably know a way to fix it and sort it out. Do not let another winter slip by without getting your boiler repaired and put into as good as new condition.


  • Scheduled Pre-Season Boiler Maintenance
  • Join Our Maintenance Plan Today

Boiler Replacement & New Installation


Complete Mechanical boiler installation services are available 24 hours a day, 7 days a week. So that means even if your heater goes out on a weekend, you aren’t stuck waiting for regular office hours. It usually happens that household emergencies like a broken heater pop up on a weekend or in the middle of the night.


  • Schedule Boiler Installation Estimate
  • Schedule Boiler Replacement