The Best HVAC in Fullerton, CA

Compare the highest-rated hvac professionals in Fullerton, California. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Fullerton Climate Control Experts

4.8
(142 reviews)
Verified

Full-service HVAC contractor specializing in high-efficiency system installations and 24/7 emergency repairs. Known for expertise in both residential and light commercial systems, with particular strength in heat pump installations suitable for Fullerton's mild winters and hot summers. Family-owned business with factory-trained technicians.

1250 E Chapman Ave, Fullerton, CA 92831

Specialties & Features

24/7 Emergency Service
Energy Efficient Systems
Heat Pump Specialists
Smart Thermostat Integration

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#2

Orange County Air Solutions

4.7
(118 reviews)
Verified

Premium HVAC installation and service company with NATE-certified technicians. Specializes in high-end systems including Trane and Carrier products, with extensive experience in ductwork design and zoning systems for Fullerton's diverse housing styles. Offers comprehensive maintenance plans to optimize system performance in the local climate.

852 S State College Blvd, Fullerton, CA 92831

Specialties & Features

Ductwork Design & Installation
Zoning Systems
Premium Brand Installations
Maintenance Plans

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Fullerton Energy Efficient HVAC

4.6
(96 reviews)
Verified

Specializes in energy-efficient HVAC solutions and indoor air quality systems. EPA-certified technicians with expertise in California Title 24 compliance and rebate programs. Strong focus on system optimization for Fullerton's temperature swings and air quality challenges. Offers free energy audits and financing options.

2100 W Commonwealth Ave, Fullerton, CA 92833

Specialties & Features

Energy Efficiency Upgrades
Indoor Air Quality Systems
CA Rebate Program Experts
Duct Sealing & Insulation

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes

Why These Are the Top HVAC Contractors in Fullerton

Fullerton's Mediterranean climate creates high demand for reliable AC systems during hot summers (average highs 85-90°F) and efficient heating during mild winters (average lows 45-50°F). The market features older housing stock requiring system retrofits alongside new construction. Seasonal demand peaks in summer months, with emergency services particularly valued during heat waves. Energy efficiency is a significant concern due to high electricity costs, driving demand for SEER 16+ systems and heat pumps.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Fullerton regulations and climate

Frequently Asked Questions About HVAC in Fullerton

Get answers to common questions about hvac services in Fullerton, California.

1What is the typical cost range for replacing a central AC unit in a Fullerton home?

For a standard single-family home in Fullerton, a full central AC replacement typically ranges from $5,000 to $12,000. The final cost depends heavily on the unit's SEER rating (with California's minimum now at 15 SEER), the complexity of the installation, and your home's specific ductwork needs. Given our hot inland climate, investing in a higher-efficiency unit (16-18+ SEER) can offer significant long-term savings on summer cooling bills.

2When is the best time of year to schedule HVAC maintenance or replacement in Fullerton?

The absolute best time is during the mild spring (March-May) or fall (October-November) seasons. Scheduling service during these shoulder months ensures your system is fully optimized before the intense summer heat arrives and helps you avoid the peak demand periods when HVAC companies are busiest and wait times are longest. This proactive timing can also prevent emergency breakdowns during a heatwave.

3Are there any local rebates or incentives for upgrading my HVAC system in Fullerton?

Yes, Fullerton homeowners should check for rebates from both the City of Fullerton's Public Utilities Department and Southern California Edison (SCE). These often include incentives for installing high-efficiency heat pumps, air conditioners, and smart thermostats. Additionally, federal tax credits for energy-efficient home improvements may apply, so it's crucial to ask your local HVAC provider about current available programs during your consultation.

4How do I choose a reliable HVAC contractor in the Fullerton area?

Always verify that the contractor holds a valid, current California C-20 (Warm-Air Heating, Ventilating and Air-Conditioning) license through the CSLB website. Choose a locally established company with strong reviews specific to the North Orange County area, as they will be most familiar with local permit requirements (like those from the City of Fullerton's Building Division) and the specific cooling demands of our climate. Get detailed, written estimates from at least three providers.

5My system runs constantly on hot days but doesn't cool my house adequately. What could be wrong?

This is a common issue in Fullerton's summer heat and often points to an undersized system, failing compressor, or severely restricted airflow. First, check and replace your air filter, as a clogged filter is a frequent culprit. If that doesn't help, the problem could be refrigerant leaks, dirty condenser coils, or inadequate insulation—all issues that a local professional can diagnose to restore efficiency and comfort.