Best Heating & Air Conditioning / HVAC In Covina

“Repairman showed up on time and fixed the problem. He was friendly and knowlegible. We will use this service again if we have future issues.“

“Dale Skinner arrived at the time premised and provided excellent information about my plumbing needs. I really appreciate the honesty. Marathon plumbing was clear about my needs and will be someone I call in the future.“

“Isaiah was professional and thorough. He explained everything he was doing and helped guide me towards the best solution to my problem.“

“Home runners from the staff to the efficiency of the service and the work they do , are great.“

“Major renovation, everything was new. Three zone, two compressor systems. One commercial with special warranty requirements. First company botched the job. Efficient not only cleaned up but worked with us to make sure there was proper maintenance access (major redesign), fixed broken lines multiple times and made sure everything was working as expected. They were a partner, not a sub.“

“Sinclair Air Systems did an excellent job installing our new HVAC system. The pricing was fair and the quality of work was top-notch. Professional crew and great results. Would definitely use them again!“

“Joseph CHOY is a true professional . He gave me a very reasonable quote and was very detailed on what needed to be done. He did not try to sell me anything more than I needed. He was honest. He answered all my questions. He accomplished the work under the time he had promised he would be done. He cleaned up after the job was done. I was very happy and impressed with the whole experience. My house is now very cool and comfortable.“

“He methodically dismantled the aging A/C system, identified a clogged drain line as the main issue, and wrapped up in about two hours with everything neatly organized for disposal. Compared to my last service call, this technician clearly communicated each step of his work, which I appreciated.“

“Great experience from start to finish. They fixed my air conditioning quickly and now my house feels comfortable.“

“The problem turned out to be a blocked evaporator coil, and they methodically dismantled the unit, cleaned it thoroughly, and reassembled everything in just under three hours. Having had a less satisfactory experience last year with another contractor, I appreciated their attention to detail this time.“

“My problem with my AC started back in September 9, 2022. We tried different companies but they did not completed the job and cost a lot. They did not even consider us suffering from heat in the middle of heatwave with no AC. Finally we’re able to find ARGO, David the AC specialist came on time and did excellent job. David even helped me set up NEST control on my phone. This company really cares for their customers. I will call them again for my heating and AC problem and I’m 100% satisfied with the service they provided. Thank you David and ARGO! God bless you!Services: A/C system repair“

“I am extremely skeptical when it comes to hiring contractors. I have worked for a contracting company and the "Best" people we had would do horrible work. So it made me question how good work is when I don't know what good work looks like.Wade and Son work able to come check out the work that needed to be done next day, they were quick and efficient friendly and reasonable!I rarely get impressed, but today I am impressed! Customer for Life!“