Get matched with top nest installation pros in Diamond Bar, CA

"I had a great experience with your team. They serviced and repaired my mini-split and central They serviced my A/C systems, added refrigerant, and made sure everything was working properly before leaving. Mike was thorough, professional, knowledgeable, and did quality work. I highly recommend this company."

"Super happy with service from both Angi’s list and the handyman. He was professional, did a great job installing a dog door and was tidy cleaning up after. Recommend and will use again in the future"

"Trinity Heating installed a new thermostat in my house. The technician, Jimmy, was professional and courteous. After the installation he took the time to explain to me how to set up and use the new thermostat. I’m completely satisfied with their service and will use them again if needed."

"Amazing! Felipe and his crew are so nice and so professional. They installed a double door where a window used to be and also upgraded two other doors. And installed a dog door. Everything just took a week!"

"furnace was installed and works well. I repaired gap in drywall above furnace after installation. for $3800 I think they should have offered to repair the drywall or compensation for my work. George reached out to me about my concerns and offered to resolve the issues. I'm very pleased with the job and his customer service."

"Outstanding work. Outstanding professionalism. Outstanding customer service. I can’t say enough about how easy it was to work with Joseph and his team. I highly recommend him for all HVAC needs. They knew exactly what was needed for my home HVAC. The unit works perfectly. Did not have to wait for equipment to be ordered or long to have it installed."

"Was my consultant and advisor in the new repair system for my home"

"We have been trying to get an AC unit for the longest especially with this heat and iâ m so thankful i came across socal air quality. The installation and the whole process went very smoothly thanks to Pedro. I received a very affordable pricing and would definitely recommend the quality + the customer service."

"Ray is very professional, and provided options for my air conditioning unit replacement. Ray went out of his way to replace a small gas line leak that he found. He also drove to Anaheim early on Saturday morning to pick up a part that was needed for the AC unit, and came over to install it so that I would have the air conditioner available for the upcoming heat wave this week. He and his team were on time, and considerate during the installation process. I highly recommend RS Air Conditioning & Heating."

"Guillermo replaced our whole system. He was professional, knowledgeable and finished the job in a timely manner. He has gone above and beyond to listen and explain our needs for heating and air conditioning. We give him a very high recommendation. He is honest and affordable."