
Your ONE Stop for Total Comfort
Trusted HVAC & Electrical Experts Who Get the Job Done Right the First Time.
Serving Bellevue, Mountlake Terrace & the Surrounding Areas Since 2022



Built on Trust. Powered by Expertise.
-
From emergencies to routine calls, our team is always ready, day or night, to restore your comfort quickly.
-
We offer flexible financing and value-packed memberships to keep your home running smoothly all year.
-
Your home is in safe hands with fully certified technicians and reliable, code-compliant service.
-
Serving Snohomish and King County with trusted, community-focused HVAC and electrical expertise.
-
OneStop is a top-notch company! They installed our new heat pump in no time, and we couldn't have been more pleased with the quality and professionalism. Very polite, professional, and proficient!- Amanda O.
-
Adam and his installers arrived the next morning, on time! The crew did a great job and were done sooner than I'd expected. They not only installed my new Trane furnace, but they also made the whole area look better and cleaner.- Carrie S.
-
I have to say, Onestop is top-notch, and Adam was great to work with, did not give us the run-around of what we didn’t need, as most companies seem to do. Adam was upfront and honest. Fantastic prices, exceptional customer service!- Sarah H.
-
I recently hired Onestop for a furnace repair, and I couldn't be happier with the service they provided. From the moment I contacted them to the completion of the repair, Onestop demonstrated professionalism and expertise that exceeded my expectations.- Ashley N.
-
He pointed out some conditions that function best with regular inspection and recommended their maintenance program.- Missy A.
-
Adam and Gram came in today to install a new furnace. The job was extremely well done and completed in half a day. I couldn't be happier with their service and the quality of materials they used.- Chris M.
-
This company fixed a refrigerant leak that was left by a larger company in the area. They did it at a reasonable rate, they were friendly, knowledgeable, and perform the work in a timely manner. 10 out of 10 recommend.- Michael B.
-
It was amazing to watch OneStop Heating's team in action. Heat pumps are not small investments so it makes all the difference to know you've got a quality installation and the company will back its work with a sound maintenance program.- Ann M.