If you are replacing an old furnace or air conditioner in Los Angeles, you will almost certainly hear about heat pumps. Southern California’s mild winters make heat pumps a strong option for many homes — but a gas furnace still makes sense in some situations. Here is a plain-language comparison.
How each system works
A gas furnace burns natural gas to create heat and uses a blower to move warm air through your ducts. In most homes it is paired with a separate central air conditioner for cooling.
A heat pump looks like a central air conditioner, but it can run in reverse. In summer it moves heat out of your home; in winter it pulls heat from the outdoor air and moves it inside. One system handles both heating and cooling, and it runs on electricity.
Climate: why heat pumps fit Southern California
Heat pumps are most efficient when winters are mild — which describes most of the Los Angeles basin and the San Fernando Valley. Modern heat pumps also work well in cooler foothill areas like La Crescenta, Tujunga and La Cañada Flintridge, where winter nights get colder but rarely extreme.
Comparison at a glance
- Heating and cooling: a heat pump does both; a furnace heats only and needs an AC for cooling.
- Fuel: heat pumps run on electricity; furnaces use natural gas.
- Comfort: furnaces deliver very warm air quickly; heat pumps deliver steadier, milder warmth over longer run times.
- Operating cost: depends on your home, usage and local gas and electric rates. In mild climates heat pumps are often very efficient, but electricity prices in California are high, so it is worth comparing for your situation.
- Safety: heat pumps have no combustion, so there is no carbon monoxide risk from the heating system itself.
- Lifespan: gas furnaces often last around 15–20 years; heat pumps, which run in both summer and winter, often last around 12–15 years.
- Space: replacing a furnace and AC with a heat pump system can simplify equipment.
When a heat pump is a great choice
- You need to replace your air conditioner anyway
- You want one system for heating and cooling
- You are considering solar panels or want to reduce gas use
- Your home is in a mild-winter area
When a gas furnace may still make sense
- Your furnace is fairly new and only the AC needs replacement
- You strongly prefer very hot air from the vents
- Your electrical panel would need a costly upgrade to support a heat pump
What about a dual-fuel system?
Some homes use a heat pump together with a gas furnace. The heat pump handles most heating and all cooling, and the furnace takes over on the coldest nights. It can be a good middle ground for larger or colder foothill homes.
Rebates and incentives
Incentive programs for heat pumps change often. Before you decide, check current offers from your utility — such as SCE, LADWP or SoCalGas — and statewide California programs. We are happy to help you think through what applies to your home.
Get a recommendation for your home
The right answer depends on your home’s size, insulation, ductwork, electrical panel and how you use heating and cooling. We look at all of it and give you clear options and prices — including a heat pump and a furnace-plus-AC system — so you can compare. Learn more about our heat pump services.
Talk to a local HVAC expert
Orion HVAC serves La Crescenta, Glendale, Burbank, La Cañada Flintridge, Tujunga, Santa Clarita and the San Fernando Valley. Call (323) 736-3737 or book online. You get the price before any work begins, and every repair is backed by our parts and labor guarantee.
