How Much Does Central AC Installation Cost in Brentwood, CA? (2026)

Average Cost

$4,783–$8,282

Materials

$2,665–$4,895

Labor (East Bay)

$1,014–$1,476

Labor rates in East Bay are +20% compared to Sacramento Metro baseline.

A complete central air conditioning installation includes sizing the system for your home's square footage, installing or connecting to existing ductwork, mounting the outdoor condenser, placing the indoor evaporator coil on your furnace, running refrigerant lines, wiring the thermostat, and performing a full system charge and commissioning. In the Sacramento region, where summer highs routinely top 100 °F, a properly sized and installed AC system is critical for both comfort and safety. Our estimates reflect current NorCal equipment and labor pricing for 2025-2026.

Sacramento summers regularly exceed 100 °F, making a reliable central AC system essential for comfort and safety. Proper sizing prevents short-cycling and excessive energy use during peak heat.

Brentwood is located in Contra Costa County (East Bay). Fast-growing suburb with master-planned communities. The local utility provider is PG&E.

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City

Tons of cooling capacity

Materials Included

Outdoor condenser unit (14-16 SEER2)1 unit

$1,800–$3,200

Indoor evaporator coil (matched)1 unit

$600–$1,100

Copper refrigerant line set (25 ft)1 set

$120–$250

Condenser concrete pad1 each

$50–$120

Programmable thermostat1 each

$35–$85

Electrical disconnect box & whip1 each

$60–$140

Labor(East Bay +20%)

HVAC installer9h @ $90–$132/hr

$810–$1,188

Electrician2h @ $102–$144/hr

$204–$288

Contractor Markup30%

0%Avg 30%100%

Materials

$2,665–$4,895

Labor

$1,014–$1,476

Markup

$1,104–$1,911

Estimated Total Cost

$4,783 – $8,282

$1,594–$2,761 per unit

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California Building Code

California Title 24 requires a minimum 14.3 SEER2 efficiency rating for split-system AC in climate zones 2-15. HERS testing and duct leakage verification are mandatory for new installations.

Project Timeline

Load calculation & system sizing

1-2 hours

Perform Manual J load calculation to determine the correct tonnage for your home's square footage, insulation, and window exposure.

Equipment delivery & preparation

1-2 hours

Deliver condenser unit and evaporator coil, stage equipment, and prepare the installation area including the concrete pad.

Indoor coil & refrigerant line installation

3-4 hours

Mount the evaporator coil on the furnace plenum, run insulated copper refrigerant lines between the indoor and outdoor units, and install the condensate drain line.

Outdoor unit & electrical wiring

2-3 hours

Set the condenser on the pad, connect refrigerant lines, install the electrical disconnect, and wire the unit to the breaker panel.

System charge, testing & commissioning

1-2 hours

Evacuate refrigerant lines, charge the system, test airflow and temperature split, calibrate the thermostat, and walk the homeowner through operation.

Materials Breakdown

Material	Qty	Unit	Unit Cost	Total
Outdoor condenser unit (14-16 SEER2)	1	unit	$1800–$3200	$1,800–$3,200
Indoor evaporator coil (matched)	1	unit	$600–$1100	$600–$1,100
Copper refrigerant line set (25 ft)	1	set	$120–$250	$120–$250
Condenser concrete pad	1	each	$50–$120	$50–$120
Programmable thermostat	1	each	$35–$85	$35–$85
Electrical disconnect box & whip	1	each	$60–$140	$60–$140

Central AC Installation in Brentwood — FAQ

What size AC system do I need for my Sacramento-area home?+

A general rule is 1 ton per 500 sq ft, but Sacramento's extreme heat means your HVAC contractor should perform a Manual J load calculation. A 1,500 sq ft home typically needs 3 tons, while a 2,500 sq ft home may need 4-5 tons depending on insulation, window area, and sun exposure.

How long does a central AC installation take?+

Most installations are completed in a single day (6-10 hours). If ductwork modifications or electrical panel upgrades are needed, the project may extend to 2 days.

What SEER2 rating should I choose?+

Federal minimums for our climate zone require at least 14.3 SEER2 as of 2023. Higher-efficiency 16-20 SEER2 units cost more upfront but can cut cooling bills by 20-40%. Given Sacramento's long cooling season, a higher-efficiency unit typically pays for itself within 5-8 years.

Do I need a permit for AC installation in Sacramento?+

Yes. The City of Sacramento and surrounding counties require a mechanical permit for HVAC installations. Your contractor should pull the permit and schedule a final inspection to ensure Title 24 compliance.