Heating, AC & Furnace Repairs in Fullerton When homeowners want a reliable heating or air conditioning system that they don’t have to think about, they call One Hour Heating & Air Conditioning. We are the premier HVAC service provider in the United States for a simple reason: we actually care about your comfort. At One Hour, we respect you, we respect your time, and, most importantly, we respect the trust that you put in us to keep your home comfortable. It’s why we back all of our work with a 100% customer satisfaction guarantee for two years, and it’s why we’re always on time—guaranteed.
Overview
Hired 2 times
Background checked
License verified
5 employees
2 years in business
Business hours
This pro hasn't listed their business hours.
Payment methods
This pro accepts payments via Cash, Check, and Credit card.
Credentials
License verified
C20 – Warm-Air Heating, Ventilating And Air-Conditioning Contractor
License state: CA
Background checked
Passed by Steven Davis on Apr 25, 2025.
Services offered
Duct and vent type
Heating
Dryer
Exhaust
Other
Building height
Single-level
Two-story
Three-story
High-rise
Property type
House
Condo/Apartment
Townhouse
Business
Projects and media
Projects and media
Reviews
Customers rated this pro highly for value, professionalism, and responsiveness.
Exceptional 5.0
8 reviews
5
100%
4
0%
3
0%
2
0%
1
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Your trust means everything to us. Learn about our review guidelines.
Read reviews that mention:
Cam A.
Jul 23, 2025
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Hired on Thumbtack
I had a great experience with One Hour AC & Heating, and Cody was super responsive to all our inquiries and requests. They got the job done well and all the explanations, support, and thorough communication was so helpful and professional. I highly recommend them!
Details: Routine maintenance • Outside • Outside • House
Central Air Conditioning Repair or Maintenance
Catherine K.
Mar 12, 2025
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From Google
As a single woman, I was initially terrified to call anyone for help when my furnace stopped working and feared Id be taken advantage of, especially since I was just talking to someone over the phone and had no idea what to expect. From the moment I contacted One Hour Heating & Air Conditioning, I felt completely at ease. They were not only professional but also incredibly thoughtful and kind, ensuring I understood everything that was going on every step of the way.The team showed such genuine care and respect. They were trustworthy, and it was clear they knew their craft inside and out. They explained everything thoroughly, and I never felt pressured into any decisions. The work they did was excellent, and my system is running better than ever!I am so happy with the service I received and grateful to have found a company I can rely on for the future. I now know that when I need HVAC help again, I can call them with confidence, knowing I'll be treated with honesty and professionalism. Highly recommend!
One Hour Heating & Air Conditioning's reply
Thank you for taking the time to leave such a thoughtful review! It’s scenarios like this that make what we do so enjoyable. If anything else comes up with your furnace, or you want to explore upgrading your indoor air quality, please don’t hesitate to reach out.
angelo C.
Feb 24, 2025
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From Google
Honesty, punctual,and trust worthy. I had One Hour Heating & Air Conditioning come to my home to perform the annual maintenance on my HVAC for this upcoming summer season. They told me my system was working appropriately, and gave me the necessary recommenations to ensure the system stays in tip top shape. The techs were very knowledgeable and answered all my questions in detail. I highly recommend them for all your HVAC services.
One Hour Heating & Air Conditioning's reply
Thanks for sharing feedback about your experience, Angelo! We appreciate your business and are here if you have any additional question or concerns.
Donna C.
Mar 5, 2025
•
From Google
I had a great experience with One Hour Heating and Air Conditioning when they replaced my AC unit. The team did an excellent job with the installation and made sure everything was set up perfectly. They took their time to explain the issue thoroughly and made sure I was happy with the work before leaving. I highly recommend them!
One Hour Heating & Air Conditioning's reply
Thank you, Donna! We appreciate your giving us the opportunity to service your air conditioning unit. We here for anything else you need!
Reed M.
Feb 22, 2025
•
From Google
Cant say enough. I recently hired One Hour Heating and Air Conditioning to perform regular maintenance on my mother-in-law's furnace, and the experience was outstanding. The technician was on time and took the time to ensure everything was running efficiently. They provided helpful recommendations without any pressure and treated her home with great care. Ill definitely continue using them for both maintenance and repairs.
One Hour Heating & Air Conditioning's reply
Your feedback is genuinely appreciated and we are excited to hear that you had a positive experience. We will be here if anything comes up. Thanks!
FAQs
What should the customer know about your pricing (e.g., discounts, fees)?
We believe in transparent, upfront pricing through our StraightForward Pricing® system — no hidden fees or surprises. Before we begin any work, we provide a clear, written estimate so you know exactly what to expect. We offer discounted membership plans that include reduced service call fees and repair discounts, and we proudly offer special Heroes pricing for military, veterans, first responders, and teachers.
What is your typical process for working with a new customer?
Our process begins with a conversation to understand your needs, whether it’s a repair, maintenance, or installation. We’ll schedule a convenient appointment time, arrive promptly, and perform a thorough evaluation. After that, we present your options with straightforward pricing, answer any questions, and move forward only with your approval. For installations, we’ll also provide equipment sizing and system recommendations tailored to your home and comfort goals.
What education and/or training do you have that relates to your work?
Our technicians are licensed, insured, and manufacturer-certified, and receive ongoing training to stay current with HVAC technology, efficiency standards, and safety protocols. As a One Hour Heating & Air Conditioning franchise, we follow national training standards while also being locally focused on the needs of Fullerton-area homes and systems.