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Fullerton, CA
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Google Customer Reviews

5.0 star star star star star
400+ Reviews

See why your neighbors consistently rate us 5 stars.

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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 …"
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Kelly Powell

(HVAC Maintenance)
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"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…"
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Cathy Bridges

(Ductless Systems)
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"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…"
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Jeremy Sandoval

(Smart Thermostats)
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"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…"
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David Martin

(Furnace Repair)
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"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…"
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Jarred Kjack

(AC Installations)
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"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…"
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Austin Doupe

(HVAC Maintenance)
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"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."
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Jessica Powers

(Ductless Systems)
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"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…"
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Linda Fisher

(AC Installations)
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