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Blue Star Heating & Air Conditioning

Ductless Mini-Split Installation & Repair in Central Contra Costa, CA

Ductless heating and cooling for rooms, additions and ADUs

No ducts, or a room the central system can't keep comfortable? Blue Star Heating & Air installs and repairs ductless mini-split heat pumps in Central Contra Costa - for older homes without ductwork, bonus rooms, garage conversions, additions and ADUs. One system heats and cools, room by room.

Wall-mounted ductless mini-split head above a modern living room with grey sofas and a TV
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. Mini-splits suit Central Contra Costa homes without ductwork, hot upstairs rooms, garage conversions and ADUs. 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

Questions before you call

How much does a mini-split cost in Central Contra Costa?

It depends on the number of rooms (zones), the equipment, line-set length and whether your electrical panel needs work. We quote it after a site visit.

Can a mini-split fix one hot room?

Yes. A single-zone mini-split is one of the simplest ways to cool a hot upstairs bedroom, office or sunroom without touching the main system.

Are there rebates for mini-splits 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.

Call Blue Star Heating & Air for a mini-split quote in Central Contra Costa.

(925) 584-2428 Quote