One Hour Heating & Air Conditioning
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Claim This BusinessAbout One Hour Heating & Air Conditioning
One Hour Heating & Air Conditioning has earned a 4.9-star rating from 70 reviews in Fullerton, California. The contractor specializes in residential comfort systems, offering installation, repair, and maintenance for heating and air conditioning equipment. Their 24/7 availability means customers can request service any day of the week, including weekends. The name reflects a service philosophy built around responsiveness and professionalism.
The company carries equipment from trusted manufacturers like Carrier and Lennox, giving homeowners access to quality brands for replacements and new installations. One reviewer specifically noted an "OH Club" membership option that makes scheduling annual checkups straightforward and affordable. This preventive maintenance program helps extend equipment life and catch issues before they become emergencies.
What Customers Say
The 4.9-star average across 70 reviews tells a story of dependable service, with technicians repeatedly described as courteous, professional, knowledgeable, and punctual. Multiple reviewers mentioned same-day repairs and having parts immediately available in inventory. A small cluster of negative reviews cited pricing concerns and technician inexperience on complex jobs, while positive reviewers highlighted diagnostic clarity and clean installations.
Working Hours
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| ThursdayToday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Services
AC Repair & Maintenance
Diagnoses and fixes malfunctioning air conditioning systems, plus seasonal tune-ups to maintain efficiency and prevent breakdowns.
Heater Repair & Maintenance
Addresses heating system failures and performs routine maintenance to keep furnaces and heat pumps operating reliably.
AC Installation & Replacement
Installs new air conditioning units or replaces aging systems with modern, efficient models from approved manufacturers.
Heater Installation
Provides professional installation of new heating systems, including furnaces and heat pump configurations.
Emergency HVAC Services
Offers around-the-clock response for urgent heating and cooling failures, available every day including weekends.