The 12 best-rated hvac contractors in Phoenix, AZ average 5.0★ on Google across 12,683 reviews. Reliance Heating & Air Conditioning has the top rating (5.0★), and Hobaica Services has the most reviews (7,113). Updated October 25, 2026.
12 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (12,683 reviews combined) and currently operating. Request a call back and the company will phone you directly.
“Always great service and clear explanations! Used Reliance for years and appreciate their attention to detail and great customer service - from making the appointment thru service and afterwards! Great service from…” — Google review
“Great service, friendly and thorough. Bryan was very professional and knowledgeable. Serviced the system, replaced the filters, and installed my wifi thermostats. Kept everything clean and tidy and provided info on…” — Google review
“I cannot list all the positive adjectives for Darrel D and my experience with him. He was patient, thorough, showed pictures with explanations - everything you could ask for with an extensive repair. He is a dog…” — Google review
“Had a wonderful experience with George! He was very professional, patient, and took the time to thoroughly check and properly diagnose the issue!” — Google review
“i’ve had a great experience with this company and will recommend them to my friends. twice i was able to get someone out the same day. the technician who came was so friendly, respectful and it seemed very genuine.…” — Google review
“Sebastian was great and a pleasure to talk to. We talked through everything and he was helpful figuring out a plan to install surge protector today, and next time see how capacitor is and replace that then if still…” — Google review
“The guys sent a heads up text when they were arriving. Which was good so we could go about our business until their designated arrival time. They were through and clean.” — Google review
“Victor and his crew helped diagnose, and repair the AC properly. Finally came time to get a new unit to replace the 30 year old AC and the new install was as smooth as it can get. Vincent is very knowledgeable and…” — Google review
“Wow!! What an amazing company!! I really appreciate Jesus coming out and helping me out with my AC and thermostat today. Very respectful, explained everything in great detail so I would understand, and worked in a…” — Google review
“I recently called local roots and plumbing and Jackie answered my call, I don’t speak English well but she spoke Spanish which helped lots, she connected me to an agent quickly and I received help within a reasonable…” — Google review
“Another great experience with 6 Star! I’ve used them before on a rental property, another rental AC was having issues. They quickly found it was just a clogged line, fixed it, and had everything running again.…” — Google review
“The service check was here on time, very professional. and very helpful. He did an excellent job on repairing my furnace…” — Google review
We scan Google Maps for hvac contractor listings in and around Phoenix, keep only open businesses whose main category matches the service, and require a Google rating of at least 4.5 from at least 20 reviews. Companies are ordered by a confidence-weighted score that balances rating and review volume. We do not accept payment for placement.
Reliance Heating & Air Conditioning has the highest Google rating on our Phoenix list: 5.0 out of 5 from 1,026 reviews (as of October 25, 2026).
Hobaica Services has the most Google reviews among the companies listed here: 7,113, with a 4.9★ average.
Only open Phoenix-area businesses whose Google category matches the service, rated at least 4.5★ from at least 20 Google reviews. They are ordered by a confidence-weighted score of rating and review volume. Placement is never paid.
Also in Phoenix: Roofing Contractors · Plumbers · Electricians