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William Heating And Air Conditioning

No ratings collected yet Los Angeles, California

3555 S GRAMERCY PL, Los Angeles, CA 90018, USA

License checked License #1097073 4 yrs experience

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

(323) 690-4657
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When the air conditioner quits during a Los Angeles heat wave or the furnace goes silent on a cold desert night, homeowners and property managers start searching for someone they can trust to fix it quickly and correctly. William Heating And Air Conditioning serves residents and businesses across Los Angeles with the kind of dependable HVAC work that keeps indoor spaces comfortable year-round.

Local market — Los Angeles

HVAC pros here

1,329

Have a website

27%

Cooling demand

1,247

Heating demand

1,083

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

Services Offered

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

Service Area

Los Angeles, California All of California

Location

About William Heating And Air Conditioning

The company handles AC Services, Heating Services, Furnace Services, and Heat Pumps, along with Ductwork Services, Thermostat Services, and Maintenance & Tune-up visits. Typical jobs include inspecting refrigerant levels, cleaning coils, testing airflow, checking electrical connections, and diagnosing short-cycling or uneven temperatures. Emergency HVAC calls cover situations where a system has failed outright and needs prompt attention. William Heating And Air Conditioning holds California contractor license #1097073 and has been licensed since 2022, giving it more than four years of licensed trade experience.

Los Angeles presents its own challenges, from long stretches of hot, dry weather to coastal humidity and older homes with cramped ductwork. Local crews understand how these conditions affect system performance, which helps them recommend practical repairs and realistic upgrades rather than one-size-fits-all solutions.

If you are comparing local pros, ask for written estimates, confirm the license number, and request a clear explanation of the work before it begins. Learn more about William Heating And Air Conditioning and other vetted contractors through HVAC Service Fast.

Frequently Asked Questions

What services does William Heating And Air Conditioning offer?
William Heating And Air Conditioning provides AC Services, Heating Services, Ductwork Services, Heat Pumps, Furnace Services, Thermostat Services, Emergency HVAC, and Maintenance & Tune-up.
What areas does William Heating And Air Conditioning serve?
William Heating And Air Conditioning serves the Los Angeles area in California.
How do I choose a licensed, insured HVAC contractor in Los Angeles?
Verify the contractor's license number with the California Contractors State License Board, ask for proof of liability and workers' compensation insurance, and compare written estimates from several companies. A reputable contractor will explain the scope of work clearly and put it in writing.
What should I check before hiring an HVAC professional?
Confirm the license status, read recent customer reviews, ask about warranties on parts and labor, and make sure the estimate itemizes equipment, labor, and permits. Avoid companies that demand full payment upfront or refuse to provide documentation.
What are signs it is time to call an HVAC professional?
Call a technician if your system runs constantly without cooling or heating, makes grinding or banging noises, produces uneven temperatures, or your energy bills rise without explanation. Unusual odors, frequent cycling on and off, and water leaks near the unit also warrant prompt inspection.

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