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We Have a Reputation
For Being Punctual, Friendly and Knowledgable
Matt Davis
a week 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!”
Teresa Coleman
a week 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.”
Kse Eve
2 weeks 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.”
Sarah M
in the last week
“The team at One Hour Heating & Air of Fullerton did a great job. They were on time, respectful of our home, and made the whole process really easy. It’s clear they care about doing things right. I’d definitely recommend them to friends and family looking for a solid HVAC company!!!”
Aanielda Aasichla
2 weeks ago
“Super impressed with the service! From booking the appointment to the technician arriving on time and walking me through everything, it was a seamless process. As someone who doesn’t know much about HVAC systems, I appreciated how patient and informative they were. I could tell they really care about doing good work and earning trust. I’ve already recommended One Hour Fullerton to two of my neighbors.”
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.