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We Have a Reputation
For Being Punctual, Friendly and Knowledgable
Teresa Coleman
3 weeks ago
“The team at One Hour Heating & Air of Fullerton was great to work with. They showed up on time, explained what needed to be done, and got the job finished without any issues. Everything went smoothly, and I appreciated how professional and respectful they were throughout the process. I’d definitely call them again if I need HVAC service in the future.”
Matt Davis
3 weeks 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!”
Tanya Evdokimova
3 weeks ago
“I had a great experience with One Hour Heating & Air of Fullerton. The team was on time, professional, and really easy to work with. I appreciated how clearly they explained everything and how upfront they were with their pricing—no surprises or hidden fees. The straightforward pricing gave me peace of mind, and it’s great to know I have a reliable HVAC company I can trust. Highly recommend!”
Kse Eve
a month ago
“We had such a great experience with One Hour Heating & Air of Fullerton! The team was incredibly professional, explained everything clearly, and made sure our system was running perfectly. What really stood out was their punctuality and respect for our home—they wore shoe covers, cleaned up after the job, and even followed up a few days later to make sure everything was still working great. Highly recommend them if you want reliable service done right the first time.”
Amanda Cole
2 weeks ago
“The team at One Hour Heating & Air of Fullerton was great to work with. They were professional, on time, and made the whole process easy from start to finish. I appreciated how clearly they explained everything and that the pricing was straightforward with no surprises. I’d definitely recommend them to anyone looking for reliable HVAC service!”
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.