4.6 
411 *The Angi rating for Heating And Air Conditioning Service companies in Frederick, CO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.
*The HomeAdvisor rating for Heating And Air Conditioning Service companies in Frederick, CO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.
Last update on July 24, 2026
Serving Frederick, CO and surrounding areas
Approved
In business since 2001
Free estimates
Credit card accepted
"Very Professional and did not hesitate to explain everything in detail. It is hard to find an HVAC company you can trust to show up and do it right the first time and I believe this is one. Will recommend for future jobs!"
Serving Frederick, CO and surrounding areas
Approved
Super Service Award Winner
In business since 2023
Free estimates
Emergency services offered
"Ryan was an excellent HVAC technician. He quickly diagnosed the problem and had our furnace up and running in 20 minutes. I would highly recommend Behold H & C."
+67
Serving Frederick, CO and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"Dale is professional a always gets the job done. He has replaced two HVAC systems in our home and we can always count on him to do great work!"
Serving Frederick, CO and surrounding areas
Approved (Corporate)
Super Service Award Winner
In business since 1978
Free estimates
Emergency services offered
"Brian, the HVAC technician was professional, friendly and extremely knowledgeable, he provided a full estimate before starting the work and then performed the repair immediately. We were back up and running in minutes. Well Done 1 hr team."
Serving Frederick, CO and surrounding areas
Approved
In business since 2019
Free estimates
Warranties offered
"Elevation HVAC installed a new furnace and A/C system. They were extremely courteous, professional and cost friendly. I strongly recommend Tony and his team for your future heating and A/C needs."
+5
Serving Frederick, CO and surrounding areas
Approved
In business since 2018
Free estimates
Emergency services offered
"Adrian was tremendous! He took on a tough project, never gave up and solved my HVAC problem. Patient, thoughtful, collaborative with pricing. Recommend him without reservation."
+4
Serving Frederick, CO and surrounding areas
Approved
Credit card accepted
"Highly recommend Owen?s company! We scheduled to clean our Air Ducts and the results were incredible! I?ll definitely use them again. If you looking for good quality & honest work, you can?t do better than HighPoint HVAC"
Serving Frederick, CO and surrounding areas
Approved
Super Service Award Winner
In business since 2023
Free estimates
Emergency services offered
"I hired Comfair for my hvac last weekend and I couldn't be happier with the results. Habib was professional, punctual, and knowledgeable. He quickly diagnosed and fixed the issue with my system and his pricing is really reasonable. Highly recommend Comfair with all hvac services."
+3
Serving Frederick, CO and surrounding areas
Approved
In business since 2014
Emergency services offered
Warranties offered
"Brent is extremely knowledgeable, hard working and dedicated to finding a solution. He worked for hours diagnosing the issue with my HVAC before finally finding the issue, and only charged me for the work done in fixing the issue. He's the only guy I'll be calling for HVAC maintenance and repair going forward"
Serving Frederick, CO and surrounding areas
Approved
In business since 2025
Emergency services offered
Warranties offered
"Highly recommended! Jason makes sure everything is right and also uses some technology for metrics. Most HVAC people I’ve dealt with, didn’t so, you had no baselines for references and just their word. My AC is fixed now and blows super cold!"
+3
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