AC installation and replacement in Bakersfield

What a new system costs

Fixr puts a new central air conditioner, installed, at $5,800 to $14,400, with $8,750 typical. A heat pump runs $5,000 to $15,000. The spread comes from size, efficiency, whether the ducts need work, and whether the furnace or air handler is replaced too. Those are national figures; ask for a written, itemized Bakersfield price.

Sizing: a calculation, not a rule of thumb

The US Department of Energy says a system should be sized from a load calculation (Manual J) that looks at the whole house: insulation, glass, which way it faces, how leaky it is. An oversized unit short-cycles. It wastes power and leaves the house clammy; an undersized one runs all afternoon and still falls behind. In a valley where July highs average 101.1°F, the temptation is to go bigger. Ask the contractor to show you the calculation.

Permits and the required tests

California treats a replacement as an HVAC alteration under the Energy Code. That means a permit, and for an air-cooled air conditioner in climate zones 2 and 8 through 15, which takes in Bakersfield, an independent check of the refrigerant charge. If more than 25 feet of new duct goes in, the ducts must be sealed and tested. Permits and tests, step by step.

Refrigerant on a new system

Since January 1, 2025, California has limited new home air conditioning equipment to refrigerants with a global warming potential under 750. New systems use refrigerants such as R-454B or R-32 instead of R-410A. What the change means.

Questions to ask every bidder

1. What size, and can I see the load calculation?
2. Which model numbers for the outdoor unit and the indoor coil?
3. Is the permit included, and who books the refrigerant check?
4. What will you do to the ducts, and will they be tested?
5. What is the labor warranty, in writing?

California limits the down payment on a home improvement contract to $1,000 or 10 percent of the contract price, whichever is less. Read a quote line by line.