Dual Fuel System Installation — Heat Pump + Gas Furnace
Electric heat pump efficiency most of the winter, gas furnace backup on the coldest nights
A dual fuel system pairs an electric heat pump with a gas furnace and switches automatically between them at a set outdoor temperature (the balance point). The heat pump handles cooling and mild-weather heating efficiently, and the furnace takes over on freezing nights when a heat pump alone loses capacity. That makes dual fuel a strong fit for colder parts of our service area — Tehachapi, Lake Hughes, Leona Valley, Acton and higher Antelope Valley elevations. DC Air and Heating sizes every dual fuel system with a Manual J load calculation, pulls permits, and sets the switchover point for your gas and SCE rates. Installed heat pump and full-system pricing typically runs $11,600–$29,400 depending on size and efficiency, with Synchrony financing including 0% APR for 24 months.
Key Facts
- Manual J load calculation before any equipment is chosen
- Balance point set to your gas and electric rates
- Works with an existing furnace in good condition
- Permits and inspection handled
- Synchrony financing: Plans 925, 970 and 942
- Rebate paperwork handled where programs are active
| Option | Best for | Trade-off |
|---|---|---|
| Gas furnace + AC | Low gas rates, very cold nights | No efficient electric heating |
| Heat pump only | Mild winters, all-electric homes | Less capacity below freezing |
| Dual fuel | Cold nights + hot summers | Higher up-front cost |
Estimated range only — get an exact written price with a free in-home consultation or use our Instant Quote tool. Get an Instant Quote or call (661) 310-3340.
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Areas we serve
Dispatched from our Quartz Hill shop to the Antelope Valley, Santa Clarita Valley, north San Fernando Valley and Kern high desert.
- Lancaster
- Palmdale
- Quartz Hill
- Santa Clarita
- Valencia
- Canyon Country
- Newhall
- Saugus
- Stevenson Ranch
- Castaic
- Acton
- Agua Dulce
- Littlerock
- Pearblossom
- Lake Los Angeles
- Sun Village
- Leona Valley
- Lake Hughes
- Green Valley
- Antelope Acres
- Rosamond
- Willow Springs
- Mojave
- California City
- Edwards AFB
- Tehachapi
- Sylmar
- San Fernando
- Granada Hills
- Porter Ranch
- Northridge
- Chatsworth
- Van Nuys
- Phelan
- Pinon Hills
- Wrightwood
Frequently Asked Questions
What is a dual fuel system?
A heat pump and a gas furnace sharing one thermostat. The heat pump runs in mild weather; the furnace runs when it gets cold enough that gas is cheaper or more comfortable.
Is dual fuel worth it in the Antelope Valley?
Often, yes — especially in colder pockets and for homeowners who want efficient electric heat without giving up gas backup. We run the numbers on your home before recommending it.
Can I add a heat pump to my existing furnace?
If the furnace is in good condition and has a compatible blower, yes. We replace the AC condenser with a heat pump and add a dual-fuel thermostat or control kit.
How much does dual fuel installation cost?
Heat pump and full-system installs generally run $11,600–$29,400 installed depending on tonnage, efficiency tier and electrical work. Use the Instant Quote tool or book a free in-home estimate for an exact written price.
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