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Central AC vs heat pump in Los Angeles
In most of Los Angeles a heat pump is worth pricing against central AC, because the same outdoor unit cools in summer and replaces the gas furnace for the short, mild heating season. Central AC still fits a house with a sound furnace that has years left.
Reviewed · 12 named sources · No named reviewer yet; see our editorial policy.
- The decision in three numbers
- How the two systems actually differ
- Side by side
- What each one costs, size by size
- Why LA weather favours heat pumps
- Running costs: what we can and cannot tell you
- Rebates and credits in 2026
- Keeping the furnace: dual fuel
- Which one fits your house
- Questions to put to every quote
The decision in three numbers
Most Los Angeles homeowners come to this question the same way: the AC is old, the furnace is old, and a contractor has just said "you could go heat pump." Here is what the published numbers say before anyone sells you anything.
The heat pump costs more on paper. What it buys is the furnace's job as well, so the fair comparison is a heat pump against AC plus whatever the furnace will cost you.
How the two systems actually differ
A central AC moves heat out of the house. A heat pump does the same thing in summer and runs the cycle in reverse in winter, pulling heat in from outdoor air. The outdoor units look almost identical; the heat pump adds a reversing valve and different controls.
Central AC
- Cools only.
- Keeps the gas furnace for heat.
- Gas line, flue and furnace stay.
- Lower installed price on usable ducts.
Heat pump
- Cools and heats from one outdoor unit.
- Can retire the furnace, or keep it as backup.
- Often needs electrical work.
- Eligible for utility rebates in LADWP, Burbank and Pasadena territory.
The Department of Energy calls heat pumps the most efficient form of electric heating, "providing up to three times more heat than the energy they use" (DOE). Against a gas furnace, the running-cost answer depends on your gas and electricity rates, which is why we give you a calculator instead of a savings claim.
Side by side
| Central AC + gas furnace | Heat pump | |
|---|---|---|
| Published LA price | $6,500–$25,000 (2–5 tons, AC only) | $8,000–$22,000 (ducted, all sizes) |
| Heating | Gas furnace | The same outdoor unit, in reverse |
| Efficiency floor in California | 14.3 SEER2 plus an EER2 minimum | 14.3 SEER2 and 7.5 HSPF2 |
| Title 24 refrigerant check | In climate zones 2 and 8–15 | In every climate zone |
| Electrical | Usually the existing circuit | Sometimes a new circuit or panel upgrade |
| Rebates in 2026 | None from the programs below | LADWP, BWP, PWP per ton; TECH reserved |
| Federal 25C credit | Ended with 2025 | Ended with 2025 |
Efficiency: 10 CFR 430.32(c), Electronic Code of Federal Regulations. Tests: Energy Code Ace (CEC-supported), Single-Family Compliance Manual ch. 9, § 150.2(b)1E–F, 2022 code text; confirm against the 2025 code in force since 1 January 2026 (verify). Prices: the sources on the cost guide.
What each one costs, size by size
At every size, the published heat pump band sits above the central AC band, but the bands overlap. A 3-ton central AC prints at $8,000–$16,000 and a 3-ton heat pump at $12,000–$15,000.
Two things narrow the gap. First, a heat pump that replaces a furnace due for replacement saves the furnace's price. Second, a utility rebate paid per ton comes off the heat pump only.
Watch the electrical line
A heat pump replacing a gas furnace often needs a new circuit, and older houses on 100-amp service may need a panel upgrade. LA sources price that upgrade at $2,000–$7,500. Ask for it as a separate line, so you can see how much of the gap it explains.
Why LA weather favours heat pumps
Heat pumps struggled in the past where winters are cold. Los Angeles winters are short and mild, so a heat pump here rarely works near the low temperatures that cut its output.
Summer is what sizes the equipment, and summer varies enormously across the county:
A Woodland Hills house works the outdoor unit hard in July and lightly in January. A Santa Monica house barely works it in either month. In the second case a heat pump for heating alone may be worth less to you than a couple of mini-split heads for the rooms that overheat.
Running costs: what we can and cannot tell you
We do not publish a savings figure, because it depends on three numbers only you have: your electricity rate, your gas rate and how much heating your house uses.
- Find your electricity price per kWh and your gas price per therm on your bills.
- Find last winter's therms on the gas bill, minus what the water heater and stove use.
- Enter them in the heat pump vs AC calculator, which shows the arithmetic and the assumptions.
Ask for both efficiency ratings
For a heat pump quote, ask for SEER2 (cooling) and HSPF2 (heating) in writing. LADWP's rebate needs at least 15.2 SEER2 and 7.7 HSPF2, so those two numbers also decide whether the rebate applies.
Rebates and credits in 2026
| Program | Who it covers | Status we found |
|---|---|---|
| Federal 25C credit | Everyone | Ended for equipment placed in service after 2025 |
| LADWP Consumer Rebate | City of Los Angeles (LADWP electric) | Open; per ton; needs 15.2 SEER2 / 7.7 HSPF2 and the final permit |
| Burbank Water and Power | Burbank | Own rebate; see the Burbank page |
| Pasadena Water and Power | Pasadena | Own rebate; see the Pasadena page |
| TECH Clean California | SCE territory | Single-family incentives fully reserved since 14 Nov 2025 |
LADWP's Consumer Rebate Program pays heat pump HVAC rebates per ton (central, split, mini-split and multi-split) on systems rated at least 15.2 SEER2 and 7.7 HSPF2, raised for equipment bought and installed from 1 November 2025. The application needs the final approved Building and Safety permit. Amounts change; check before you count on one.
Amounts we read on each city utility's page are on the Burbank and Pasadena pages, and how to check yours is in the LA heat pump rebate guide. Central AC has no rebate in any of these programs.
Keeping the furnace: dual fuel
You do not have to remove the furnace. In a dual-fuel setup the heat pump does most of the heating and the furnace takes over in the coldest hours or as backup.
It costs more than either system alone, because you keep and maintain both. In Los Angeles, with so few cold nights, the backup rarely runs. Check whether your utility rebate allows a backup furnace before you choose it.
Which one fits your house
| Your situation | Lean towards | Why |
|---|---|---|
| Furnace working well, panel full, lowest upfront price wanted | Central AC | Reuses the furnace and the electrical service |
| Furnace also near the end of its life | Heat pump | One outdoor unit replaces two systems |
| LADWP, Burbank or Pasadena electric, rebate open | Heat pump | Per-ton rebate applies to heat pumps only |
| Valley house, high summer load | Either; size carefully | Summer sets the size for both |
| Coastal house, cooling a few rooms | Price mini-splits too | Whole-house ducted cooling may be more than you need |
| Want to remove gas from the house | Heat pump | Electric heating, no furnace flue |
If you are unsure, ask two contractors to quote both at the same tonnage, and line the four quotes up in the quote comparison tool.
Questions to put to every quote
- What size did you calculate, and how? Ask for the Manual J result.
- What are the SEER2, EER2 and (for a heat pump) HSPF2 ratings of the matched system?
- Does the quote include electrical work, and is a panel upgrade needed?
- What happens to the furnace and the gas line?
- Which refrigerant does it use?
- Is the permit included, and who books the Title 24 rater?
- Does this model qualify for my utility's rebate, and who files the application?
Background on each job: heat pump installation and central air installation.
Sources
- NOAA NCEI, U.S. Climate Normals 1991–2020, annual/seasonal (stations USW00023174, USW00093134, USW00023152, USC00049785) (retrieved 2026-09-29)
- LADWP, "Consumer Rebate Program" (retrieved 2026-10-20)
- TECH Clean California, "Single Family Incentives" (retrieved 2026-10-20)
- IRS, "Energy Efficient Home Improvement Credit" (retrieved 2026-09-29)
- 10 CFR 430.32(c), Electronic Code of Federal Regulations (retrieved 2026-09-29)
- Energy Code Ace (CEC-supported), Single-Family Compliance Manual ch. 9, § 150.2(b)1E–F, 2022 code text; confirm against the 2025 code in force since 1 January 2026 (retrieved 2026-09-29) — verify before relying on it
- US Department of Energy, "Energy Saver Guide: Tips on Saving Money and Energy at Home" (2022) (retrieved 2026-10-18)
- Reliable Heating and Air (Woodland Hills), AC installation cost in LA and Ventura County (retrieved 2026-09-29)
- Cold Cloud (Glendale), central air cost in Los Angeles (retrieved 2026-09-29)
- E & A Mechanical (Tujunga), heat pump installation cost in Los Angeles (retrieved 2026-09-29)
- HVACProjectCost.com, Los Angeles HVAC replacement cost (retrieved 2026-09-29)
- LA Heating and Air Conditioning (Woodland Hills), heat pump installation cost in Los Angeles (retrieved 2026-09-29)
Questions
Is a heat pump more expensive than central AC in Los Angeles?
Usually, on the installed price. LA sources publish a ducted heat pump at $8,000–$22,000 and central AC at $6,500–$25,000 across sizes. The gap narrows when the heat pump also replaces a furnace that was due anyway, and when a utility rebate applies.
Will a heat pump keep my LA house warm in winter?
In the Los Angeles basin and the valleys, winter lows rarely approach the temperatures where heat pumps lose much capacity. A system sized from a Manual J load calculation handles both seasons here.
Can I keep my gas furnace with a heat pump?
Yes. A dual-fuel setup uses the heat pump for most heating and the furnace as backup. Check whether your utility rebate allows a backup furnace before you choose it.
Does a heat pump cost more to run than a gas furnace?
It depends on your electricity and gas rates and your heating use. DOE says heat pumps can deliver up to three times more heat than the energy they use. Run your own bills through our calculator rather than trusting a generic savings figure.
Is a heat pump as good at cooling as central AC?
Yes. In cooling mode a heat pump works the same way as an AC, and both must meet the same 14.3 SEER2 federal minimum in California. Compare the actual SEER2 and EER2 of the models quoted.
Is there a tax credit for a heat pump in 2026?
The federal 25C credit applied to qualifying equipment placed in service before 31 December 2025. A system installed in 2026 does not qualify.
What rebate does LADWP pay for a heat pump?
LADWP pays per ton on qualifying heat pumps rated at least 15.2 SEER2 and 7.7 HSPF2, and needs the final approved permit. Amounts change, so read the current figure on its Consumer Rebate Program page.
Do I need a bigger electrical panel for a heat pump?
Sometimes. Removing a gas furnace moves heating onto electricity, and older houses on 100-amp service may need an upgrade. LA sources price a 100 A to 200 A panel upgrade at $2,000–$7,500.
Should a coastal LA house get central AC at all?
Maybe not. LAX averages 4.8 days a year at 90 °F or above on NOAA normals. If only a few rooms overheat, price a mini-split for those rooms alongside a whole-house system.
Next step
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- Compare what comes back. Line the written quote up against the published ranges and the quote checklist.
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