Heat pump vs Furnace in Mobile County, Alabama
When a heat pump makes sense
If you're cooling with electricity already and want one system for both jobs, a heat pump makes sense here. Winter nights average 42°F, mild enough that a heat pump doesn't have to work hard to keep up, and it costs about 10% less to run than gas at Alabama prices. Since you only need heat about five months a year, you're relying on it for cooling most of the time anyway.
When a furnace makes sense
If your home already has gas line, a furnace is worth keeping. It burns gas to heat, so it won't lose output on the coldest nights the way a standard heat pump can. It only handles heating, so you'd still need a separate system for cooling, but for the roughly five months a year you need heat, it will do the job without regard to how low the temperature drops.
When a heat pump makes sense
If you're cooling with electricity already and want one system for both jobs, a heat pump makes sense here. Winter nights average 42°F, mild enough that a heat pump doesn't have to work hard to keep up, and it costs about 10% less to run than gas at Alabama prices. Since you only need heat about five months a year, you're relying on it for cooling most of the time anyway.
When a furnace makes sense
If your home already has gas line, a furnace is worth keeping. It burns gas to heat, so it won't lose output on the coldest nights the way a standard heat pump can. It only handles heating, so you'd still need a separate system for cooling, but for the roughly five months a year you need heat, it will do the job without regard to how low the temperature drops.
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
Heat pump wins in Mobile County.
Winter nights only drop to about 42°F here, mild enough for a heat pump to heat efficiently, and most homes already run on electric heat anyway.
If your home already has a gas line and a furnace that still works, there's no reason to rip it out for a heat pump.
Find a contractor| Compared on | Heat pump | Furnace |
|---|---|---|
| Cost to run here | About 10% less to run | Costs more to run |
| What it does | Heats and cools | Heats only |
| Homes in the inland South that heat with one | 31.8% | 53.4% |
| Handles a 42°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 you're cooling with electricity already and want one system for both jobs, a heat pump makes sense here. Winter nights average 42°F, mild enough that a heat pump doesn't have to work hard to keep up, and it costs about 10% less to run than gas at Alabama prices. Since you only need heat about five months a year, you're relying on it for cooling most of the time anyway.
When a furnace makes sense
If your home already has gas line, a furnace is worth keeping. It burns gas to heat, so it won't lose output on the coldest nights the way a standard heat pump can. It only handles heating, so you'd still need a separate system for cooling, but for the roughly five months a year you need heat, it will do the job without regard to how low the temperature drops.
A Mobile County contractor will price both against your own house, your ductwork and your panel.
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