4743 PHELAN AVE, Baldwin Park, CA 91706, USA
Verify this license yourself at the California Contractors State License Board (CSLB).
Baldwin Park sits in the San Gabriel Valley, where warm summers push air conditioning systems hard and cooler winter nights call for dependable heating. DNS Security is an HVAC contractor serving homeowners and property owners in Baldwin Park, California, with service for the systems that keep indoor spaces comfortable year-round.
Local market — Baldwin Park
HVAC pros here
16
Have a website
19%
Cooling demand
1,399
Heating demand
1,290
Cooling/heating demand = annual degree days (NOAA). Electricity = state residential average (EIA).
The company's work covers AC Services, Heating Services, Furnace Services, and Heat Pumps, along with Ductwork Services for airflow problems and Thermostat Services for better control of temperature settings. Technicians also handle Maintenance & Tune-up visits, which inspect components and clean or adjust equipment before peak seasons, and Emergency HVAC calls when a system fails at an inconvenient time.
DNS Security holds California state contractor license #1118308, issued in 2024, and has been licensed to perform HVAC work in the state for more than two years. Its licensing record is publicly available through the state contractor registry for anyone who wants to confirm it.
Homeowners comparing local professionals should look at licensing, clear written estimates, and how a company explains repairs before doing them. Reviewing service options side by side helps match the right provider to the job at hand.
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