Reviews of local pros in Bellevue, Washington

I've had Sergei on many of our construction projects over the past few years. He has always brought value to our projects. We have had quite a few mini-split systems installed. Years later, no issues and very happy with the quality of installation. Highly recommended.

Installed HVAC (AC and Furnace) thru Tempra - overall positive experience. Sergui is very knowledgeable. No pressure or upsell - installation was smooth and system continues to function properly without any hitch so far.

Honest and reliable hvac company owned and run by Sergei. As I property manager, I can always count on his company for our HVAC needs. His rate is very competitive and I know I don't have to shop around.

Sergei responded right away to our request for emergency furnace repair, which stopped working right after Thanksgiving day on Black Friday. He arrived when promised, was very professional throughout, diagnosed and resolved the issue very quickly. Very pleased with the service and will call again in the future.

Sergei is an exceptional HVAC technician. His previous company had installed the heater and AC for us 2.5 years back and we have not had any issues with the system so far. He's also proactive in answering any questions for us

My furnace broke down and was freezing cold so I cold HVACs in the area and got 2 quotes before calling Sergi. The first didn’t even identify the issue and gave a quote to replace the furnace for 7k - 12k. The second didn’t identify the issue and gave a quote for 3800. Only Sergi was able to identify the exact issue and answer all my concerns on the furnace and gave me an honest price. He also came immediately after I made the call and had good communication throughout.

Great support and customer care. It’s hard to find people who do the high quality job, but it’s almost impossible to find the combination of knowledge, great customer skills and adequate pricing - we found all of that on Tempra HVAC. We were very fortunate to have our furnace installed couple years ago and now proactively serviced by Tempra HVAC and we highly recommend the company.

Sergei showed outstanding professionalism on helping our family to select the best fit HVAC system and swift installation with competitive price. I would recommend Sergei to all my family and friends for any HVAC needs.

Sergei is highly dependable and trustworthy. He replaced our HVAC system with a heat pump / gas hybrid a few years back and it continues to run great. He and his team provide great service and stand behind their work. When we had a minor electrical issue, they fixed it right away and we've had no additional issues since.

Sergei installed our Bosch heat pump and ecobee smart thermoset 2 years ago. Of the 3 estimates we got, his was the lowest and we were quite happy with the quality of his work.

A few months after the installation we found there was a very slow leak in the refrigerant line. Sergei was out of the state when this happened but he took the time to find technicians working at another company and paid them to find the leaks (there were 2), fix them and refill the refrigerant. This showed to me that Sergei has integrity and fully stands behind his work.

I will definitely refer Sergei to any of my friends looking for HVAC installation or maintenance.

Tempra HVAC did a great job for us on a couple of projects in Kirkland and Renton. We’re very happy with the results — the systems they installed, including Mitsubishi and American Standard, have been working отлично with no issues. Everything was done quality, neatly, and professionally, and the pricing was fair for the level of work. Highly recommend Tempra HVAC for heating and air conditioning installation and service in the area.

My heat stopped working in my house. I called Sergio at Tempra HVAC he told me he could come out in the afternoon. I said great, he showed up and repaired my furnace, he had to replace the igniter. He was in and out in less than an hour. Heat works great. I used to have Brennan and SeaTown fix my heat and AC unit. Never again. Tempra was a third of the price and he showed up same day and did not try to sell me service agreement or new furnace. I highly recommend Sergei at Tempra HVAC 👍

This is the second time we’ve worked with Sergey on HVAC projects for our home. Our goal was to improve heating and cooling efficiency and upgrade from a gas-only system to a hybrid setup (heat pump + furnace). Sergey installed a new Bosch heat pump and paired it with a powerful furnace. We also had concerns about our ductwork and air-flow balance between rooms. Sergey replaced all aging, leaking flex ducts and added multiple dampers so the airflow can be fine-tuned throughout the house. While he was at it, he also replaced and installed new floor insulation in our crawl space.
Here are a few reasons we chose to work with Sergey again:
• Exceptional technical expertise. I spoke with several other vendors before starting this project, but none of them provided the same depth of insight into the pros and cons of different options. Sergey can go deep on any topic and explain what makes sense—and what doesn’t—from a practical standpoint. His passion for his work truly shows.
• High-quality workmanship. I saw the quality of Sergey’s work at my previous house—it was professional, clean, and solid—and we weren’t disappointed this time either. He stands behind his work and provides a warranty period.
• Very competitive pricing for both equipment and labor.

I would definitely hire Sergey again in the future and highly recommend him to other homeowners.

We are extremely pleased with the outstanding service provided by Tempra HVAC. Sergei and his team were highly professional and knowledgeable. They installed a top-quality heat pump in our beautiful home, and all quotes and options were clearly explained. The installation process was smooth, timely, and efficient. Since then, the system has been running perfectly. I would wholeheartedly recommend Sergei and his team to anyone seeking reliable, high-quality HVAC service.

We had an excellent experience with Tempra HVAC. Sergei was outstanding—he quickly diagnosed and fixed an issue with our furnace that another company’s technician had spent hours trying (and failing) to resolve. His knowledge and efficiency were impressive, the pricing was very fair, and the level of service was truly exceptional. We couldn’t be happier and would highly recommend them.

I recently had an issue with my HVAC unit and called Tempra. The technician Sierge who came out was absolutely fantastic.
He spent the necessary time working in my home It turned out to be a simple fix. I really want to commend him on his hard work, dedication, and professionalism throughout the visit.
He quickly replaced the part, got my unit running perfectly again, and I truly appreciated his honesty; he fixed what was needed and did not try to overcharge me. The entire experience was positive, and I felt very comfortable having him in my home.
I highly recommend Temp and this particular technician to anyone needing HVAC service.
Thank you for the outstanding work!

Had a great experience with Tempra HVAC. They installed mini spit system for me. The service from start to finish was great. Sergey provided good service. He provided a reasonable quote and scheduling the appointment was easy. He was able to complete the job in one day.
Highly recommend.

Great experience with Tempra HVAC! Sergey was very helpful and came out the same day to inspect and provide an estimate. He was quick, thorough, and reasonably priced. We got our gas furnace replaced through him, and he handled the permits and scheduled the inspection as well. Everything went smoothly from start to finish. Highly recommend!

We finally ditched our old oil furnace - it was getting way too expensive to fill and always needed something fixed. Our neighbors recommended Tempra HVAC, so we gave them a try, and honestly, best decision ever. They put in a Mitsubishi heat pump, and it’s awesome. Cools the house perfectly in the summer and keeps us warm all winter. The install looks super clean too — all the wiring and tubes are nice and tidy. Really happy with how it all turned out!

Recently Sergei, owner of Tempra HVAC, came out to inspect our ductless mini split that he installed a little over 2 years ago while operating under a different company name. That installation was as promised from arriving on time, taking care to respect our property, and almost half the price quoted by some of the other larger companies who advertise heavily. This time he gave us some tips for cleaning and helped us understand better how the unit operated. I appreciated his follow up with us and his continued no "hard-sell" approach. I would highly recommend Tempra HVAC!

We had a ductless mini split system installed on 2/18/26 and the service was outstanding from beginning to end. Sergei and the team arrived on time, they were very professional and maintained a clean workspace throughout the installation. They clearly explained the system, placement decisions, and how to use it properly. The installation was completed within 1 day - exactly as promised - with great attention to detail. The unit runs quietly and heats/cools the space perfectly. I highly recommend them for professional and reliable HVAC service.