Muller Dan Heating And Air Conditioning

No ratings collected yet San Dimas, California

541 NORTH BILLOW DRIVE, San Dimas, CA 91773, USA

License checked License #943592 16 yrs experience

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Muller Dan Heating And Air Conditioning positions its work around AC Services, helping homeowners and businesses in San Dimas keep cooling systems reliable through the hot inland summers of Southern California. The company handles residential and commercial comfort needs, from a failing compressor to a system that simply runs too often on the hottest days.

Local market — San Dimas

HVAC pros here

Have a website

22%

Cooling demand

1,450

Heating demand

1,429

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

Services Offered

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

Service Area

San Dimas, California All of California

Location

About Muller Dan Heating And Air Conditioning

The company's scope covers Heating Services, Ductwork Services, Heat Pumps, Furnace Services, Thermostat Services, Emergency HVAC, and Maintenance & Tune-up. Technicians inspect refrigerant levels, clean coils, check electrical connections, and test airflow at registers. Duct work includes sealing leaks, correcting undersized runs, and improving return air paths. Thermostat installation and programming help customers get more consistent temperatures without wasting energy.

Muller Dan Heating And Air Conditioning holds California state contractor license #943592 and has been licensed since 2010, giving it more than 16 years in the trade. The business is based in San Dimas, so its crews understand local housing styles, neighborhood layouts, and the heat patterns that shape demand across the San Gabriel Valley.

Anyone comparing local HVAC pros should ask for written estimates, confirm the license number, and request a clear explanation of the repair or replacement recommended. Learn more about how HVAC Service Fast can help you compare options in your area.

Frequently Asked Questions

What services does Muller Dan Heating And Air Conditioning offer?

Muller Dan Heating And Air Conditioning offers AC Services, Heating Services, Ductwork Services, Heat Pumps, Furnace Services, Thermostat Services, Emergency HVAC, and Maintenance & Tune-up. Customers can contact the company to discuss which option fits their home or building.

What areas does Muller Dan Heating And Air Conditioning serve?

Muller Dan Heating And Air Conditioning serves San Dimas, California. Customers outside the immediate area should confirm service availability directly with the company.

How do I choose a licensed, insured HVAC contractor in San Dimas?

Look up the contractor's license number on the California Contractors State License Board website and ask for proof of liability and workers' compensation insurance. Compare at least two or three written estimates before deciding.

What should I check before hiring an HVAC pro?

Confirm the license status, read recent customer reviews, and ask whether the quote includes parts, labor, and any warranty terms. Make sure the technician explains the problem and the recommended fix in plain language.

What are signs it is time to call an HVAC professional?

Warning signs include weak airflow, unusual noises, frequent cycling on and off, rising energy bills, or a system that fails to reach the set temperature. Persistent odors or a gas smell should be reported immediately, and a gas leak requires leaving the building and calling emergency services first.

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