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O C Hi Tech Service

No ratings collected yet Fullerton, California

1424 E. COMMONWEALTH AVE., Fullerton, CA 92831, USA

License checked License #931434 17 yrs experience

Verify this license yourself at the California Contractors State License Board (CSLB).

(714) 323-6583
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When a Fullerton home starts running warm in July, the first search is usually for AC Services that can respond quickly and explain what went wrong. Homeowners and property managers want a technician who understands the equipment in front of them, not just a general repair. O C Hi Tech Service holds California contractor license #931434 and has been licensed since 2009, giving it more than 17 years in the trade.

Local market — Fullerton

HVAC pros here

63

Have a website

27%

Cooling demand

1,252

Heating demand

1,225

Cooling/heating demand = annual degree days (NOAA). Electricity = state residential average (EIA).

Services Offered

AC Services in Fullerton Heating Services in Fullerton Ductwork Services in Fullerton Heat Pumps in Fullerton Furnace Services in Fullerton Thermostat Services in Fullerton Emergency HVAC in Fullerton Maintenance & Tune-up in Fullerton

Service Area

Fullerton, California All of California

Location

About O C Hi Tech Service

The company's work covers AC Services, Heating Services, Ductwork Services, Heat Pumps, Furnace Services, Thermostat Services, Emergency HVAC, and Maintenance & Tune-up. A typical AC visit can include checking refrigerant levels, cleaning coils, testing capacitors and electrical connections, and inspecting airflow. Heating and furnace work follows a similar pattern, with burner, ignition, and safety checks. Ductwork service addresses leaks and poor airflow, while thermostat installation and programming help systems run as intended. Maintenance and tune-ups catch small problems before they become expensive ones.

The company serves Fullerton, where hot summers and cooler winters put steady demand on both cooling and heating systems. Local knowledge matters here because older homes often have ductwork and electrical layouts that differ from newer construction. People searching for an HVAC contractor near me benefit from a pro who regularly works in the same neighborhoods.

If you are comparing local options, review licenses, the scope of each quote, and how clearly the technician explains the repair. HVAC Service Fast can help you browse local HVAC listings side by side before you decide.

Frequently Asked Questions

What services does O C Hi Tech Service offer?
O C Hi Tech Service offers AC Services, Heating Services, Ductwork Services, Heat Pumps, Furnace Services, Thermostat Services, Emergency HVAC, and Maintenance & Tune-up. Each service addresses a different part of keeping a home comfortable year-round.
What areas does O C Hi Tech Service serve?
O C Hi Tech Service serves Fullerton, California. Customers in the area can contact the company for residential HVAC work.
How do I choose a licensed, insured HVAC contractor in Fullerton?
Look for a contractor with a current California contractor license and proof of liability and workers' compensation insurance. Written estimates and references from recent local jobs also help you compare options fairly.
What should I check before hiring an HVAC professional?
Confirm the license number through the California Contractors State License Board website and ask for a written scope of work. Compare itemized quotes so you understand exactly what is included.
What are signs it is time to call an HVAC professional?
Call a professional if your system cycles on and off frequently, makes grinding or burning smells, or runs constantly without cooling or heating your home. Sudden jumps in energy bills are another reason to schedule an inspection.

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