AC Installation & Replacement in Central Contra Costa, CA
Replace your old AC with the right system
A new AC is a big purchase. Blue Star Heating & Air helps Central Contra Costa homeowners compare AC-only, full split-system and heat pump options, sizes the equipment to the house instead of guessing, and gives you a free quote for new equipment.
- Covers
- 7 towns and 7 neighborhoods
- Power
- PG&E (MCE generation everywhere except Clayton)
- Permits
- Your city's building division, or Contra Costa County for Clayton (by contract), Saranap and Pacheco
Serving Central Contra Costa
From our Antioch shop, Central Contra Costa is a short drive over SR-4 or Kirker Pass Road, and we serve Concord, Clayton, Pleasant Hill, Walnut Creek and Martinez. Change-outs are permitted through Concord, Pleasant Hill, Walnut Creek or Martinez, or Contra Costa County for Clayton and the unincorporated areas, and Rossmoor adds its own alteration permit. 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
- I-680
- SR-4
- SR-242
- SR-24
- Kirker Pass Rd
- Ygnacio Valley Rd
- Willow Pass Rd
- Clayton Rd
- Contra Costa Blvd
Other services in Central Contra Costa
All servicesFor businesses
Questions before you call
Do I need a permit to replace my AC in Central Contra Costa?
Yes. Replacing an AC, furnace or heat pump in California requires a mechanical permit - in Central Contra Costa that comes from your city's building division, or Contra Costa County for Clayton, Saranap and Pacheco. 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 Central 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 Central 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 Central 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.