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"We have been so pleased with the start-to-finish service from Evolution Heating and Air Conditioning.  Scheduling our estimate was quick. Installation quicker. Diego was knowledgeable, professional, and answered all our questions. He was on-site checking progress and installation. The installation …"

"We had a great experience with Evolution. We had a Mitsubishi mini split system installed for 2 downstairs bedrooms and a large upstairs bonus room. Because Evolution is a Mitsubishi Diamond contractor, we have an extended warranty. The Evolution estimate was 25% lower than the estimate from another…"

"Evolution heating and air conditioning is a 5-star company. We had issues with our AC, and they sent a technician the same day to come repair it. The technician, Ricky, was sent out, and he determined the problem to be the thermostat after checking the components. We purchased a new one from them, a…"

"Just had my unit serviced by Evolution, and the experience was excellent from start to finish. From the moment I called, they were professional and even got a technician out the same day. They kept me updated through text the entire time. Ricky, the technician, arrived right on time, was very profes…"

"Everything went smoothly, and we couldn’t be happier. I interviewed 5 different companies, and Brian at Evolution was the last guy I met. He was very knowledgeable, communicative and answered all my questions. Sal, Andrew, and the crew showed up today and replaced the whole HVAC system in a day! T…"

"Brian is by far the most knowledgeable and experienced HVAC professional I’ve met. I had an old hydronics system that stumped most licensed contractors, but not Evolution. The technicians on the day were skillful and respectful, and I don’t think I would have received a higher quality to…"

"Professional and punctual. Received a competitive quote for a mini split. Technicians were friendly, communicative, and professional. They even cleaned up the job site and swept up before leaving. Would recommend this company for future business needs."

"Had our AC & heating unit replaced by Evolution H&A in Fullerton, CA. From the beginning meeting with Diego, the sales rep, to the end with Tim & Luis, the technicians, everything went smoothly for us as customers! Both Tim & Luis were knowledgeable about their job & went about d…"