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Service First

3.3 (32 reviews) via Google · checked Oct 18, 2026 Santa Ana, California

2510 N GRAND STE 110, Santa Ana, CA 92705, USA

License checked License #556812 37 yrs experience

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

(714) 573-2200
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Service First is an HVAC contractor built around one core strength: AC Services. The company works with homeowners and business owners across Santa Ana, California, who need reliable cooling that holds up through long, hot summers. Service First holds California contractor license #556812 and has been licensed since 1989, giving it more than 37 years of experience in the trade.

Rating

3.3★

32 reviews

Local market — Santa Ana

HVAC pros here

322

Have a website

64%

Cooling demand

1,217

Heating demand

1,004

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

Services Offered

AC Services in Santa Ana Heating Services in Santa Ana Commercial HVAC in Santa Ana Ductwork Services in Santa Ana Heat Pumps in Santa Ana Plumbing Services in Santa Ana Water Heaters in Santa Ana Furnace Services in Santa Ana Thermostat Services in Santa Ana Emergency HVAC in Santa Ana Maintenance & Tune-up in Santa Ana

Service Area

Santa Ana, California All of California

Location

About Service First

Beyond AC Services, the team handles Heating Services, Furnace Services, and Heat Pumps, so one provider can cover a property's full climate system. AC work includes system diagnostics, refrigerant checks, coil cleaning, and compressor and fan repairs. Furnace and heating visits cover inspections, ignition and burner troubleshooting, and replacement planning. Heat pump service addresses both cooling and heating modes. Ductwork Services focus on leak sealing, airflow checks, and repairs that reduce wasted energy. Thermostat Services include installation, programming, and compatibility checks. Emergency HVAC calls address sudden breakdowns, while Maintenance & Tune-up visits help equipment run efficiently between seasons.

Santa Ana's climate places steady demands on cooling equipment, with hot inland summers and cooler nights that still require dependable heating. Homes in the city range from older houses to newer builds, and each has its own ductwork layout and equipment age. Service First serves Santa Ana with that local context in mind.

Homeowners and property managers comparing local pros can review licensing, service scope, and the type of work they need before making a decision. Service First welcomes questions about AC Services and its full range of offerings. For more local options, browse listings on HVAC Service Fast.

Frequently Asked Questions

What services does Service First offer?
Service First offers AC Services, Heating Services, Ductwork Services, Heat Pumps, Furnace Services, Thermostat Services, Emergency HVAC, and Maintenance & Tune-up.
What areas does Service First serve?
Service First serves Santa Ana, California, including homeowners and businesses in that area.
How do I choose a licensed, insured HVAC contractor in Santa Ana?
When searching for an HVAC contractor near me, confirm a current California contractor license on the state's contractor registry. Ask for written proof of liability insurance and workers' compensation coverage before any work begins.
What should I check before hiring an HVAC professional?
Review the written estimate, scope of work, warranty terms, and the technician's experience with your system type. Comparing at least two quotes helps you spot unusually high or vague pricing.
What are signs it is time to call an HVAC professional?
Weak airflow, unusual noises, frequent on-and-off cycling, rising energy bills, or trouble holding a set temperature all point to a problem. Smelling gas or burning odors calls for immediate action and a prompt professional visit.

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