AC Installation & Replacement in East Contra Costa, CA
A new air conditioner sized for your East Contra Costa home
Whether your old air conditioner has finally quit or you want to add central air, Blue Star Heating & Air installs new AC systems, full split systems and heat pumps in East Contra Costa. We size the system to your home, install it the way the manufacturer specifies, and handle the permit.
- Covers
- 10 towns and 8 neighborhoods
- Power
- PG&E (MCE generation in Pittsburg, Oakley and unincorporated areas)
- Permits
- Your city's building division, or Contra Costa County for Bay Point, Discovery Bay, Byron, Knightsen and Bethel Island
Serving East Contra Costa
Blue Star is based on Wilbur Avenue in Antioch, and East Contra Costa is our home turf, from Pittsburg and Bay Point to Oakley, Brentwood, Discovery Bay and the Delta towns. Replacements are permitted through the city building divisions in Antioch, Pittsburg, Oakley and Brentwood, or through Contra Costa County for the unincorporated towns, with Title 24 duct testing on most change-outs. Many statewide heat pump rebates are closed for 2026, so when we quote we check what's still open for your address, such as PG&E and MCE programs (depending on your city) and BayREN's income-qualified EASE Home program.
Main roads
- SR-4
- SR-160
- Lone Tree Way
- Hillcrest Ave
- Somersville Rd
- Railroad Ave
- Brentwood Blvd
- Byron Hwy
- SR-12
Other services in East Contra Costa
All servicesFor businesses
Questions before you call
Do I need a permit to replace my AC in East Contra Costa?
Yes. Replacing an AC, furnace or heat pump in California requires a mechanical permit - in East Contra Costa that comes from your city's building division, or Contra Costa County for Bay Point, Discovery Bay, Byron, Knightsen and Bethel Island. Most replacements also need Title 24 duct leakage testing verified by a third-party HERS rater. We pull the permit and coordinate the inspection.
How much does a new AC cost in East Contra Costa?
It depends on the size of the home, the type of system, the efficiency level and the condition of your ductwork. We give you a written quote after looking at the house, with more than one option.
Are there rebates for a new system in East Contra Costa?
Some, but fewer than before. TECH Clean California and California's HEEHRA heat pump rebates are fully reserved, and the federal 25C tax credit ended for systems installed after 2025. What's left for East Contra Costa homes is mainly PG&E and MCE programs (depending on your city) and BayREN's income-qualified EASE Home program. Programs change often, so we check what's open for your address when we quote.