4.6 
837 *The Angi rating for Heating And Air Conditioning Service companies in Pasadena, CA 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 Pasadena, CA 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 May 26, 2025
Serving Pasadena, CA and surrounding areas
Approved
In business since 2005
Free estimates
Emergency services offered
"Top-notch installation! The new HVAC system is super efficient and the crew explained everything clearly. They handled the entire job with care. I feel the temperature difference immediately?very satisfied!"
+24
Serving Pasadena, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2006
Free estimates
Emergency services offered
"We noticed a foul smell coming from one of the vents in our HVAC system. We turned the system off and called AC Dave. Dave sent Justin and James to troubleshoot the problem. They quickly found a tear in one of our ducts--and the remains of a dead rodent. They cut open the duct, cleaned it and resealed it. We had heat again, about an hour after they arrived. Very fast and competent service."
+6
Serving Pasadena, CA and surrounding areas
Approved
In business since 1988
Free estimates
Warranties offered
"An inspection of my HVAC system conducted by the person buying my home found that the line carrying condensation from the unit to the drain pipe was broken, and that the drain pipe was partially clogged. The Air Tech technician arrived promptly at the agreed time, replace the broken line, and cleaned out the drain pipe. The job was completed quickly and professionally."
+8
Serving Pasadena, CA and surrounding areas
Approved
In business since 1990
Free estimates
Warranties offered
"Great. My daughter contracted Air Duct Professionals to do her home. James, the technician, was professional, knowledgeable and did a quality job. I contacted Air Duct to do my home and requested James. James arrived on time and did an excellent job. He also helped me with a leak with my HVAC Condenser and diagnosed and fixed the issue."
+11
Serving Pasadena, CA and surrounding areas
Approved
Super Service Award Winner
In business since 1985
Free estimates
Credit card accepted
"Installed a HVAC system. Great price. Quality service and equipment."
+50
Serving Pasadena, CA and surrounding areas
Approved
In business since 2025
Free estimates
Emergency services offered
"Haroon provided excellent HVAC service from start to finish at Help-Me HVAC LLC. He was professional, punctual, and courteous, and he took the time to explain everything clearly. The service was efficient, the workmanship was excellent, and the whole experience was smooth and stress-free. I would definitely recommend Help-Me HVAC LLC and Haroon for reliable HVAC service."
Serving Pasadena, CA and surrounding areas
Approved
In business since 2018
Free estimates
Warranties offered
"I highly recommend Belle Air Services! From the first moment I called to get a quote, to the moment they finished the job, I could not have asked for better customer service, top notch work, and competitive pricing. They communicated with me all throughout the process, made sure I understood everything that would be done, were on time, protected my home and were clean. They even worked very well with my HOA (who is very tough!). And to top it off, they didn't try to up-sell me as other HVAC contractors have in the past. So pleased that I have found this HVAC company!!"
+9
Serving Pasadena, CA and surrounding areas
Approved
In business since 2013
Free estimates
Emergency services offered
"Mario coordinated with me to make a late afternoon appointment, he arrived on time, did great work, and even educated me about my HVAC system. I would highly recommend."
+13
Serving Pasadena, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2022
Free estimates
Emergency services offered
"THE OWNER; CHRIS ROBINSON WAS AMAZING, EXCEPTIONAL CUSTOMER SERVICE, GREAT PEOPLE SKILLS. UNBEATABLE PRICING ON UNITS & LABOR I HAD BEEN QUOTED VERY HIGH BY 4 OTHER COMPANIES, HD MECHANICALs PRICING WAS HONESTLY EXTREMELY AFFORDABLE. HIGHLY RECOMMENDED FOR ALL YOUR HVAC NEEDS!!"
+14
Serving Pasadena, CA and surrounding areas
Approved
In business since 2019
Free estimates
Warranties offered
"Installed a new HVAC system. They were punctual and professional. I'm very pleased."
+87
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