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Square Three Inc

No ratings collected yet San Jose, California

1016 S DE ANZA BLVD #E 106, San Jose, CA 95129, USA

License checked License #1075734 5 yrs experience

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

(408) 228-7302
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Square Three Inc is an HVAC contractor serving homeowners and businesses in San Jose, California. Its core offering is AC Services, supported by a broad range of heating, ventilation, and comfort solutions for residential and commercial properties.

Local market — San Jose

HVAC pros here

514

Have a website

53%

Cooling demand

636

Heating demand

2,257

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

Services Offered

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

Service Area

San Jose, California All of California

Location

About Square Three Inc

The company provides Heating Services, Furnace Services, Heat Pumps, and Ductwork Services, along with Thermostat Services for more precise control of indoor temperatures. Work typically begins with a system inspection and moves through repair, installation, or replacement as the situation requires. Emergency HVAC calls are also handled for urgent breakdowns, and Maintenance & Tune-up visits help keep equipment running efficiently through changing seasons.

Square Three Inc holds California contractor license #1075734 in the state contractor registry and has been licensed since 2021, giving it more than five years of experience in the trade. Its work centers on San Jose, where local climate conditions shape how heating and cooling systems perform across the year.

Homeowners and facility managers comparing local professionals should review licensing, service scope, and response expectations before deciding. Square Three Inc welcomes that comparison and encourages prospective clients to ask detailed questions about their systems.

Frequently Asked Questions

What services does Square Three Inc offer?
Square Three Inc provides AC Services, Heating Services, Ductwork Services, Heat Pumps, Furnace Services, Thermostat Services, Emergency HVAC, and Maintenance & Tune-up. Each service addresses a different part of keeping a building comfortable and its equipment running well.
What areas does Square Three Inc serve?
Square Three Inc serves San Jose, California. Customers outside the immediate area should contact the company directly to confirm whether a service visit is possible.
How do I choose a licensed, insured HVAC contractor in San Jose?
Start by verifying the contractor's license number in the California contractor registry and asking for proof of liability and workers' compensation insurance. Comparing written estimates and reading recent customer reviews can also help you narrow your options.
What should I check before hiring an HVAC professional?
Confirm the license status, insurance coverage, and whether the quote includes parts, labor, and warranty terms. Ask who will perform the work and how the company handles emergency or after-hours requests.
What are signs it is time to call an HVAC professional?
Consider calling a professional if your system short-cycles, makes grinding or banging noises, or fails to heat or cool a room evenly. Rising energy bills, frequent breakdowns, or a sudden burning smell also warrant prompt inspection.

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