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Air Conditioning Installation Professionals in Diamond Bar, CA

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Diamond Bar / 25 mi
Heating & Air Conditioning
Air Conditioning Installation
1 – 15 of 373 professionals
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373 Professionals

Featured Reviews for Air Conditioning Installation Professionals in Diamond Bar, CA

Thomson Air Conditioning
Air Conditioning Installation Professionals in Diamond Bar, CA
Average rating: 5 out of 5 stars13 March 2015
“Thomson AC saved our burning hides last year during a Fall heatwave. We have an older unit that honestly needs to be replaced, and that's all another HVAC company would tell me when we were visited to get a quote. Wouldn't even think about repairs. So I called Thomson. A technician came out and took a look at our unit. He was on time and clean! They all drive a big Thomson van that I see all over OC, so I can see they get lots of business. Anyway, he took a look at our old work horse, gave us a quote on replacement parts (which weren't cheap), gave us a little break on the price and did not pressure us to purchase a new unit. I would absolutely call them again if my AC breaks again, and if I'm looking to upgrade in the future.”
Value Heater Repair
Air Conditioning Installation Professionals in Diamond Bar, CA
Average rating: 5 out of 5 stars13 May 2019
“There were a few hiccups but the company worked to resolve them the best and fastest they could. I am satisfied with my insulation and the price was fair. I highly recommend this company in my area to anyone looking for duct cleaning services.”
Yaeger Services
Air Conditioning Installation Professionals in Diamond Bar, CA
Average rating: 5 out of 5 stars1 June 2017
“Yaeger Services came highly recommended to us by a professional whose job is SEERS testing of air conditioners. We worked with Matt, who was the epitome of professionalism and integrity. He dealt with our HOA, providing them with all of the information required for approval, obtained the necessary permit from the city, handled all of the details, and kept us updated by email or phone without our ever having to request any information. He was onsite the day of the installation, which was accomplished by a neat and efficient two-man team in less than a day. Matt was onsite again when the City Inspector arrived to sign off the permit. Matt and Yaeger Services handled everything for us. They even registered the warranties! Is it any wonder we intend to have them take care of future heating and A/C maintenance?”
Go Green Heating & Cooling
Air Conditioning Installation Professionals in Diamond Bar, CA
Average rating: 5 out of 5 stars11 December 2017
“As soon as the weather started to get cold, my heater broke like clockwork. After a few days, I couldn't take it anymore and called Go Green. They were very understanding and helpful about fixing the heater. The system was working again the same day and I'm writing this from the comfort of my toasty bedroom. Great service!”
SIMS Heating & Air
Air Conditioning Installation Professionals in Diamond Bar, CA
Average rating: 5 out of 5 stars28 May 2013
“We have been using Dan Simeroth and his company for over 15 years. He is responsible, professional and ethical on his repairs and recommendations. He handles not only HVAC issues but also can give repair bids for other maintenance items that are needed. We highly recommend this company.”
Clever Air Duct Cleaning Santa Ana
Air Conditioning Installation Professionals in Diamond Bar, CA
Average rating: 5 out of 5 stars8 October 2021
“This guy was so pleasurable to work with. He was incredibly knowledgeable and did a really good job addressing my dryer vent cleaning needs. He kept me informed about the service in great detail so that I should be able to understand what he was doing. I will highly recommend them to everyone I know. Thank you very much!”
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