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We Have a Reputation
For Being Punctual, Friendly and Knowledgable
Sidra Perez
a week ago
“I took advantage of the free tune-up offer for Veterans and First Responders, and I’m so glad I did! The team at One Hour Heating & Air in Fullerton was incredibly professional and respectful from the moment I reached out. They arrived right on time, were very thorough with the inspection, and took the time to explain everything clearly. It’s great to see a company that not only delivers great service but also shows real appreciation for those who have served. Highly recommend One Hour Heating & Air—thank you for the great service and for supporting veterans and first responders!”
MJ Tueros
a month ago
“I had a great experience with One Hour Heating & Air of Fullerton. From start to finish, the team was professional, responsive, and incredibly knowledgeable. They showed up right on time, explained everything clearly, and made sure the job was done right the first time. It’s hard to find service this consistent and reliable these days. I’ll definitely be calling them again for any HVAC needs—and recommending them to friends and family. Excellent service all around!”
Lyle Horton
a week ago
“I recently had a new HVAC system installed through One Hour Heating & Air in Fullerton, taking advantage of their New System special—and I couldn’t be happier with the experience. From start to finish, the team was professional, courteous, and efficient. Alex and Mark handled the installation, and they did a fantastic job. They arrived on time, explained everything clearly, and made sure the work was done neatly and thoroughly. The new system is running great, and I can already feel the difference in comfort. Highly recommend One Hour Heating & Air if you're in the market for a new system or need HVAC work done. Thanks again to the whole team!”
Clifford Bell
a week ago
“Had a service done recently with One Hour Heating & Air of Fullerton. Mark did a great job—very professional and thorough. He explained the service clearly and gave helpful advice on what to watch for with our aging system. I’d definitely recommend One Hour Heating & Air of Fullerton for any HVAC needs in and around the Fullerton area. Great service and a team you can trust!!!”
Matt Davis
2 months ago
“We had a fantastic experience with One Hour Heating & Air of Fullerton! The team was professional, punctual, and clearly knew what they were doing. They completed our install quickly, cleanly, and without any hassle. It’s refreshing to work with a group that’s both skilled and respectful of your time and space. Highly recommend them if you’re looking for reliable HVAC pros!”
Here For You
When You Need Us Most!
'Round the Clock Availability
No matter the hour, you can trust One Hour to be there to help you when you get hit with the unexpected.
100% Satisfaction Guarantee
We guarantee our materials, labor, and craftsmanship for up to two years from the date of your service.
StraightForward Pricing® Guide
Before we start any work, we discuss your available options so you know exactly what you are getting and how much it will cost. No hidden fees!
Always On Time…Or You Don’t Pay A Dime!®
We understand your time is valuable, so we promise to arrive at your home within the predetermined time window that you select, or your service call is free.