Fullerton Heating and Cooling Service

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About Fullerton Heating and Cooling Service
Fullerton Heating and Cooling Service operates from Fullerton, California, holding a solid 4.3-star average across 10 published reviews. The company deploys crews across Orange County, handling residential cooling and heating projects with a focus on prompt scheduling and straightforward pricing. Customers searching for a responsive contractor in the region consistently encounter mentions of on-time arrivals and clear communication before work begins.
Reviewers repeatedly reference meticulous preparation and thorough explanations as hallmarks of each visit. One customer described watching technicians work with "impressive efficiency" while walking through every step of the process. Another noted the impact on home airflow after new ductwork was completed, citing a "noticeably improved" result that took just one afternoon. This emphasis on measurable outcomes rather than generic promises shapes the company's reputation among Fullerton homeowners seeking reliable comfort solutions.
Reagan Marilyn called the team after a cooling failure left her home sweltering, and the crew had a new air conditioner running in under an hour. Noura nour appreciated that technicians arrived exactly when scheduled and took time to answer questions, describing a sense of comfort throughout the entire project. Deana Hall reported that uneven temperatures throughout her house were corrected after a swift diagnosis of duct issues, restoring balance to her living spaces in a single afternoon.
What Customers Say
All four visible reviews award 5 stars, with customers consistently highlighting on-time arrivals, clear communication, and measurable improvements to home airflow. Reagan's cooling-system replacement took under an hour, while Deana's duct repair restored comfort in an afternoon. Negative aspects do not surface in the available sample.
Working Hours
| Sunday | 9 AM–6 PM |
| MondayToday | 7 AM–8 PM |
| Tuesday | 7 AM–8 PM |
| Wednesday | 7 AM–8 PM |
| Thursday | 7 AM–8 PM |
| Friday | 7 AM–8 PM |
| Saturday | 9 AM–6 PM |
Services
Air Conditioning Installation
New cooling system setup including load calculation, unit placement, and system startup verification.
Ductwork Inspection and Repair
Diagnosis of airflow restrictions and correction of leaks, blockages, or disconnections in supply and return trunks.
Heating System Service
Furnace and heat pump troubleshooting, component replacement, and seasonal readiness checks.
Preventive Maintenance
Filter changes, coil cleaning, and performance testing to sustain efficiency and extend equipment life.
Indoor Air Quality Assessment
Evaluation of ventilation, filtration, and contaminant sources affecting home air cleanliness.