Heat pump vs Furnace in Mercer County, New Jersey
When a heat pump makes sense
If your home already has gas heat and you're weighing whether to switch, the numbers here make that a hard case to justify. A heat pump makes sense if you want cooling and heating from one system, or if gas isn't an option for your house. Just know that winter nights average 26°F here, so a standard heat pump will lose power right when you need it most. A cold-climate model holds up in that weather, but it's worth confirming that's what gets installed.
When a furnace makes sense
For most homes here, the furnace is the straightforward choice. Natural gas costs at least 35% less to heat with than a heat pump at New Jersey prices, and with winter nights averaging 26°F, that gap matters for months at a time. Your home needs heat about 7 months a year, and a furnace holds its output no matter how cold it gets outside. It won't cool your home in summer, so you'd still need a separate air conditioner for that.
When a heat pump makes sense
If your home already has gas heat and you're weighing whether to switch, the numbers here make that a hard case to justify. A heat pump makes sense if you want cooling and heating from one system, or if gas isn't an option for your house. Just know that winter nights average 26°F here, so a standard heat pump will lose power right when you need it most. A cold-climate model holds up in that weather, but it's worth confirming that's what gets installed.
When a furnace makes sense
For most homes here, the furnace is the straightforward choice. Natural gas costs at least 35% less to heat with than a heat pump at New Jersey prices, and with winter nights averaging 26°F, that gap matters for months at a time. Your home needs heat about 7 months a year, and a furnace holds its output no matter how cold it gets outside. It won't cool your home in summer, so you'd still need a separate air conditioner for that.
Heat pump
- Runs on
- Electricity
- What it does
- Heats and cools
- Tax credit
- No federal tax credit since the end of 2025
Sources: U.S. Department of Energy · Internal Revenue Code
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
Furnace wins in Mercer County.
Gas costs at least 35% less than a heat pump to run here, and most homes in Mercer County are already set up to burn it.
If your home also needs cooling and you would rather not run a separate air conditioner, a cold-climate heat pump covers both from one system.
Find a contractor| Compared on | Heat pump | Furnace |
|---|---|---|
| Cost to run here | Costs more to run | At least 35% less to run |
| What it does | Heats and cools | Heats only |
| Homes in the Mid-Atlantic that heat with one | 4.2% | 51.4% |
| Handles a 26°F night | Standard models lose heating power in the cold; cold-climate models are built for it | Yes |
Sources: U.S. Energy Information Administration, U.S. Department of Energy, NOAA
When a heat pump makes sense
If your home already has gas heat and you're weighing whether to switch, the numbers here make that a hard case to justify. A heat pump makes sense if you want cooling and heating from one system, or if gas isn't an option for your house. Just know that winter nights average 26°F here, so a standard heat pump will lose power right when you need it most. A cold-climate model holds up in that weather, but it's worth confirming that's what gets installed.
When a furnace makes sense
For most homes here, the furnace is the straightforward choice. Natural gas costs at least 35% less to heat with than a heat pump at New Jersey prices, and with winter nights averaging 26°F, that gap matters for months at a time. Your home needs heat about 7 months a year, and a furnace holds its output no matter how cold it gets outside. It won't cool your home in summer, so you'd still need a separate air conditioner for that.
A Mercer County contractor will price both against your own house, your ductwork and your panel.
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