Get matched with top central a/c installers in Diamond Bar, CA

"Brian came over to give us an estimate. He’s very friendly and polite, easy to work with. Answered all our questions and gave his recommendation without being pushy. Later we spoke with the owner, Dave, on the phone, who accommodated all our needs, gave us a great deal and upgraded our system with a medical grade filter at no extra cost. Pedro and his crew did the installation within a day. They were on time, worked fast, were super courteous, and cleaned everything up at the end. All in all everyone was very efficient. I was very pleased with their job and would hire them again without hesitation."

"I had All City Plumbing come out to help me fix my high water pressure. Technical named Alexis H came and was able to install a new 3/4 pressure regulator. Regulator he installed was double union and he explained that is to help make it be an easier exchange if it goes out again. Highly recommended All City Plumbing. Happy with work and value."

"The installers showed up right on time and were friendly and efficient. They quickly removed my old furnace and installed the new one, making sure to clean up any debris created."

"Amazing fixed all of my problems and installed a new unit! Best prices in town"

"The Air-Tech team was amazing. By far one of the best customer service experiences I’ve ever had. From the initial call to get an estimate, to the follow-up with pictures of the install, every bit of the service was excellent. Thanks Air-Tech!"

"We had Temp Air install our AC unit. The best decision we ever made. They were fast, reliable and dependable. Excellent customer service, did a phenomenal job. After a couple of years something was going on with our unit, I called them and immediately they send out a technician Juan, who was phenomenal. He explained what the issue was and resolved it asap! Highly recommend this company!"

"Their tech arrived quickly and was courteous and friendly. He figured out the problem with my AC and the work was completed in a timely manner"

"Very responsive company and I am very satisfied with their installation of my AC system."

"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"

"We had a split mini system installed.. They removed old A/C,@ducts in attic and condenser outside and hauled away.. They are expensive, but they do quality work. Technicians well trained and know what they are doing. Friendly and very neat.."