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

"Fantastic. Felipe gave a comprehensive quote, performed the work on time as per our agreement, worked during the day without a ton of bother to me (I work from home) and his team was professional and respectful. They cleaned up after themselves every day and it was very easy to live in my house while work was being done. The drywall is gorgeous and the work I"m very happy with. This job was a lot of random things - moving plumbing, reframing walls, completely redoing the drywall, installing a window, removing and replacing a walkway, etc."

"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."

"Hired them to install a brand new unit, I am extremely satisfied."

"Dan is the best there is. Not only does he do great work, his customer service is beyond great. I use him all the time in my property Management business and he has never let me down"

"Calls back within minutes. Quote was great. Installed within a few days and left the house in clean condition. Very professionall. The AC unit works great"

"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."

"Prompt, courteous, thorough and performed a great job."

"Carlos was knowledgeable and honest. I greatly appreciated how he not only installed our new smart thermostat but also went out of his way to check our HVAC system and give us pointers. Also appreciated him not selling us any other repairs or products."

"I had a great plumber that was honest and gave exceptional customer service. His name was Jesus Flores. I would definitely recommend him."