Hao Julan

No ratings collected yet Ontario, California

3556 BURNING TREE DRIVE, Ontario, CA 91761, USA

License checked License #1083815 5 yrs experience

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

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Ontario, California, sees long, hot summers and a steady need for reliable cooling, while cooler months call for dependable heat. Homes and properties across the city depend on systems that keep running through both seasons. Hao Julan provides HVAC work for customers throughout the Ontario area.

Local market — Ontario

HVAC pros here

Have a website

17%

Cooling demand

1,709

Heating demand

1,537

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

Services Offered

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

Service Area

Ontario, California All of California

Location

About Hao Julan

The services cover the full range of comfort needs. AC services address cooling problems such as weak airflow and worn components. Heating services and furnace services include burner checks, ignition diagnostics, and safety inspections. Heat pumps, ductwork services, and thermostat services round out the list, with tasks like duct inspection and thermostat replacement. Emergency HVAC calls address sudden breakdowns, while maintenance and tune-up visits focus on cleaning, inspection, and performance checks that help prevent unexpected failures.

Hao Julan holds California contractor license #1083815 and has been licensed since 2021, bringing more than five years of experience in the trade. Customers can verify the license through the California Contractors State License Board. Confirming credentials is a sound step before any major repair or replacement begins.

Homeowners comparing local professionals should look for clear communication, written estimates, and straightforward explanations of the work. For a directory of HVAC professionals serving Ontario, California, visit HVAC Service Fast to compare options side by side.

Frequently Asked Questions

What services does Hao Julan offer?

Hao Julan offers AC services, heating services, ductwork services, heat pumps, furnace services, thermostat services, emergency HVAC, and maintenance and tune-ups. Customers can request help for cooling, heating, or routine system care.

What areas does Hao Julan serve?

Hao Julan serves customers in Ontario, California. Homeowners searching for an HVAC contractor near me in the Ontario area can review the services offered.

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

Verify the contractor's state license with the California Contractors State License Board and ask for proof of liability and workers' compensation insurance. Compare written estimates and make sure the contract describes the work in detail.

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 any service fees. Request a written warranty description before work begins.

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

Call a professional if your system short cycles, makes grinding or banging noises, or fails to reach the set temperature. Rising energy bills, a burning smell, or weak airflow are also signs that an inspection is needed.

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HVAC Service Fast is an independent HVAC directory and is not affiliated with this business. Listing details are compiled from publicly available information and may be incomplete or outdated. We do not endorse or guarantee any provider — please verify licensing and insurance directly. See our Disclaimer.