Best Heating & Air Conditioning / HVAC In Longmont

Below are the best 20 HVAC services in Longmont picked by BestProsInTown

“Everyone we have worked with at M and M have been absolutely amazing! Their work is second to none, and they always seem to go above and beyond. They will always be on speed dial at our house!“

5 Superb87 Reviews

“The Viking tech came out today to change a part that he noticed on a recent service call was showing signs of weakness. He was very prompt, very efficient, and very friendly.“

5 Superb58 Reviews

“I had a larger project at hand, I was doing a complete remodel/renovation project and went from one ac/heat unit and added four based on Eric's recommendation to get better efficiency and control. The project was seamless and the entire crew at Homerun hit a Grand Slam! Job well done! I'd highly recommend these guy!Services: HVAC system maintenance“

5 Superb30 Reviews

“Very quick and responsive service...I had a new furnace installed about 24 hours after the old one died. Excellent pricing, a good local company to support.“

5 Superb29 Reviews

“SUCH fast response time on a frigid weekend. Reliable, competent service. We so appreciate being warm again!“

4.9 Superb61 Reviews

“Aaron and his guys are amazing. He helped us in a pinch when selling our house. He did a great job and squeezed us in at the last minute. He is so transparent and we appreciated that so much. I would recommend him and his guys over and over.Services: HVAC system maintenance“

5 Superb22 Reviews

“Hard working, honest, family owned business. They worked me into the schedule and helped me replace my thermostat. The temps were high so I very much appreciated it. Harvey is a very knowledgeable technician and took the time to help me understand how to operate and make the most of my new thermostat. I highly recommend using them for your HVAC needs!“

5 Superb13 Reviews

“Tom was terrific and very professional. This turned out to be a big job and Tom kept us informed, did his best to minimize the disruption in the house and was very respectful of our property. He understands and delivers on Blue Valley’s commitment to customer service.“

4.8 Superb74 Reviews

“Jake D. and Xavier O., both very good at what they are doing and also very kind, in two sessions, diagnosed the heating problem and fixed it. I'd like to make sure the two are recognized as it went really smooth. Very appreciated!“

4.8 Superb69 Reviews

“I had a burst pipe in my basement on Christmas Eve and after calling 10 plumbers, Everest Mechanical was the only company to give me the time of day! Shelly was very accommodating and even though it was Christmas Eve and she had her own burst pipe, she figured out a way to get her plumber, Manny to my house that night to save Christmas! Manny was arrived exactly when they said, was very professional and did a high quality job. He took the time to explain mitigation steps to avoid a future pipe burst. I highly recommend Everest and will be using them again (hopefully under less urgent circumstances!)Services: Plumbing leak detection“

4.8 Superb55 Reviews

“My house didn’t even have time to get cold this January before I had a completely new system in and running when my old heater went out. I’m just an afternoon all my worries we’re gone and my family nice and cozy again. I’m so grateful to CMS! Don’t bother going through the regular hoops wasting your time with anyone else, just get it done fast and right the first time with CMS.“

4.8 Superb37 Reviews

“Jordan came to look at my boiler after my heaters stopped working during the deep freeze. He came on a holiday weekend and was still so empathetic and helpful. His quote for a new boiler was unbeatable and he also rolled in a few additional things that needed fixing into the price. Thank you for being so kind and for saving my pipes from bursting!“

4.8 Superb26 Reviews

“They are responsive and friendly. They guarantee their work, and are very willing to explain things and make complicated systems (to me, anyway) easier to understand.“

4.8 Superb22 Reviews

“I'm unable to say enough good things about Bob and Circulating Air. Honest, professional, and old fashion "customer first" type of service. There are very few companies like this one left. Thank you for always taking such good care of us!“

5 Superb4 Reviews

“They were all very polite and professional. So far the furnace is working well, and we look forward to getting the A/C finished in the spring.Services: A/C system repair“

4.6 Superb9 Reviews

“The level of detail in scheduling and follow up was very good. This was very pleasing to my wife who stayed home to allow the technician in. She felt the technician was very professional and represented your company well.“

4.6 Superb115 Reviews

“Our furnace was broken, but the utility closet was a weird, tight space that made it hard to replace it. These guys did excellent work, our heat is now working, and they were very nice to my curious cat! Would go with these guys again.Services: Heating system repair“

4.3 Superb12 Reviews

“Colorado Green Plumbing was able to come in 2 days after I called (others were booking 5 days out) to come unclog the kitchen sink. They were ontime and called ahead. But it was really expensive. $297 for 15mins to snake/unclog our kitchen sink. But we had to get it done and they were able to come faster than others.Service: Drain cleaning“

3.9 Good7 Reviews

“I used SAC for checking my AC & Furnace. The technician Steve was very knowledgeable and professional. He explained step by step what he was doing and showed me all the possible future issues that I should keep my eyes on them. No pressure at all to do extra repair or fixing. I strongly recommend SAC for any heating and cooling job. They are one of the top.Services: A/C system maintenance“

3.9 Good17 Reviews

“Eric was super helpful and professional. The company was able to fit us in short notice. We were having issues with our hot water but they helped us out within 24 hours. Great timing and friendly. From the call to the in-house appointment.“

4.3 Superb90 Reviews


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