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

"Victor showed up on time, and was pleasant. He removed the old fan and then assembled and installed the new fan. Even overcoming a problem with a part supplied being the wrong size. Great job."

"Great service.  Very neat and detailed.
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"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."

"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"

"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."

"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"

"They answered my request quickly and David the technician came to my home to check a problem with my outside unit as it wasn?t turning on, within minutes he figured it out gave me some options and had me cooling again right away! Thank you."

"Pedro was cordial and professional and gave me options on replacement thermostats that was easy for me to operate."

"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."