Furnace vs Boiler in Los Angeles County, California
When a furnace makes sense
If your house already has ductwork, a furnace is the straightforward choice. Winters here are mild, with nights averaging 41°F, so you need heat for only about 6 months a year, and a furnace can call up warm air through those ducts on the nights you need it.
When a boiler makes sense
A boiler makes sense if your home already heats through radiators or pipes in the floor rather than ducts. Running one costs about 5% less here than running a furnace, though with only about 6 months of heating needed a year, that difference stays modest either way.
When a furnace makes sense
If your house already has ductwork, a furnace is the straightforward choice. Winters here are mild, with nights averaging 41°F, so you need heat for only about 6 months a year, and a furnace can call up warm air through those ducts on the nights you need it.
When a boiler makes sense
A boiler makes sense if your home already heats through radiators or pipes in the floor rather than ducts. Running one costs about 5% less here than running a furnace, though with only about 6 months of heating needed a year, that difference stays modest either way.
Furnace
- Runs on
- Natural gas
- What it does
- Heats only
- Tax credit
- No federal tax credit since the end of 2025
Sources: U.S. Department of Energy · Internal Revenue Code
Boiler
- Runs on
- Natural gas
- What it does
- Heats only
- Tax credit
- No federal tax credit since the end of 2025
Sources: U.S. Department of Energy · Internal Revenue Code
Furnace wins in Los Angeles County.
In the Pacific states, 56.9% of homes heat with a furnace, so just over half already have the ductwork it needs.
If your home already has radiators or in-floor pipes and no ductwork, a boiler is still the better choice.
Find a contractor| Compared on | Furnace | Boiler |
|---|---|---|
| Cost to run here | Costs more to run | About 5% less to run |
| What it does | Heats only | Heats only |
| Homes in the Pacific states that heat with one | 56.9% | 1.6% |
| Handles a 41°F night | Yes | Yes |
Sources: U.S. Energy Information Administration, U.S. Department of Energy, NOAA
When a furnace makes sense
If your house already has ductwork, a furnace is the straightforward choice. Winters here are mild, with nights averaging 41°F, so you need heat for only about 6 months a year, and a furnace can call up warm air through those ducts on the nights you need it.
When a boiler makes sense
A boiler makes sense if your home already heats through radiators or pipes in the floor rather than ducts. Running one costs about 5% less here than running a furnace, though with only about 6 months of heating needed a year, that difference stays modest either way.
A Los Angeles County contractor will price both against your own house, your ductwork and your panel.
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