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Onzone Heating & Cooling Inc

No ratings collected yet Pleasanton, California

4 VINTAGE CIR APT 1313, Pleasanton, CA 94566, USA

License checked License #1154419

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

(650) 698-7979
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Onzone Heating & Cooling Inc is an HVAC contractor that positions its work around AC Services, helping local homeowners and businesses keep cooling systems reliable through the hottest months. The company serves residential and commercial customers in and around Pleasanton, California, and is held to the state contractor registry under contractor license #1154419.

Local market — Pleasanton

HVAC pros here

27

Have a website

33%

Cooling demand

829

Heating demand

2,781

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

Services Offered

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

Service Area

Pleasanton, California All of California

Location

About Onzone Heating & Cooling Inc

Beyond cooling, Onzone Heating & Cooling Inc handles Heating Services, Furnace Services, and Heat Pumps, so customers can address year-round comfort with one provider. Ductwork Services cover inspection, repair, and sealing of the air paths that move conditioned air through a building. Thermostat Services include installing and configuring controls so heating and cooling run on schedule and respond to real conditions.

For urgent breakdowns, Emergency HVAC response addresses no-heat and no-cool situations, while Maintenance & Tune-up visits clean components, check refrigerant levels, inspect electrical connections, and test safety controls. Regular tune-ups often catch small wear before it becomes a costly failure.

Pleasanton property owners comparing local HVAC pros can request estimates, ask about scope and timelines, and review licensing before work begins. For a side-by-side look at nearby options, HVAC Service Fast offers a directory listing to help narrow the search.

Frequently Asked Questions

What services does Onzone Heating & Cooling Inc offer?
Onzone Heating & Cooling Inc offers AC Services, Heating Services, Ductwork Services, Heat Pumps, Furnace Services, Thermostat Services, Emergency HVAC, and Maintenance & Tune-up.
What areas does Onzone Heating & Cooling Inc serve?
Onzone Heating & Cooling Inc serves Pleasanton, California. Customers in the area can contact the company to confirm service availability for their location.
How do I choose a licensed, insured HVAC contractor in Pleasanton?
Start by checking the contractor's license number on the California state contractor registry and asking for proof of liability and workers' compensation insurance. Compare written estimates that clearly list equipment, labor, and warranty terms.
What should I check before hiring an HVAC professional?
Confirm the license is active, ask for references from recent local jobs, and make sure the estimate explains the scope of work and total cost. Get any warranty terms in writing before work begins.
What are signs it is time to call an HVAC professional?
Call a professional if your system stops heating or cooling, makes grinding or banging noises, cycles on and off frequently, or your energy bills rise without explanation. Unusual odors, uneven room temperatures, or a constantly tripping breaker also warrant an inspection.

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