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Lee Chang Soo

No ratings collected yet Los Angeles, California

603 N MARIPOSA AVENUE, Los Angeles, CA 90004, USA

License checked License #986681 13 yrs experience

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

(213) 276-7274
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Lee Chang Soo is a Los Angeles HVAC contractor whose core focus is AC Services, helping local homeowners and businesses keep cooling systems running through the city's long, warm seasons. The business is held under California contractor license #986681, which has been active since 2013, giving the company more than 13 years of trade experience. Clients range from families in residential neighborhoods to property managers and small business owners who need dependable climate control.

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 Lee Chang Soo

Beyond cooling, Lee Chang Soo provides Heating Services, Furnace Services, and Heat Pumps, so one provider can address both seasons. Ductwork Services cover inspection, repair, and sealing of ducts that may be leaking conditioned air, while Thermostat Services address installation, calibration, and troubleshooting of control problems. Emergency HVAC calls are handled for system failures that cannot wait, and scheduled Maintenance & Tune-up visits check components, clean critical parts, and identify wear before it becomes a breakdown.

The service area is Los Angeles, where dry summers, coastal fog, and seasonal heat waves place different demands on equipment. Work is planned around local building conditions, including older homes with limited ductwork space and commercial buildings with higher daily runtime. Familiarity with the regional climate helps shape practical recommendations on equipment sizing and upkeep.

People comparing local HVAC professionals should ask for written estimates, confirm license status with the California registry, and request a clear explanation of the proposed work. Lee Chang Soo welcomes those questions. Learn more about the business and its services through HVAC Service Fast.

Frequently Asked Questions

What services does Lee Chang Soo offer?
Lee Chang Soo offers AC Services, Heating Services, Ductwork Services, Heat Pumps, Furnace Services, Thermostat Services, Emergency HVAC, and Maintenance & Tune-up.
What areas does Lee Chang Soo serve?
Lee Chang Soo serves the Los Angeles, California area, including homeowners and businesses within the city.
How do I choose a licensed and insured HVAC contractor in Los Angeles?
Look up the contractor's license on the California Contractors State License Board website and ask for proof of liability and workers' compensation insurance. Compare written estimates before deciding.
What should I check before hiring an HVAC professional?
Confirm the license number, read recent customer reviews, and ask whether the price includes parts, labor, and warranty coverage. A clear written scope of work helps prevent surprises.
What are signs it is time to call an HVAC professional?
Call a professional if your system blows warm air in summer, makes grinding or banging noises, cycles on and off frequently, or if energy bills rise without explanation. Uneven temperatures between rooms also warrant an inspection.

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