An outdoor air conditioning condenser unit mounted on a concrete pad in front of a single-story suburban house.

Heat pump vs Furnace in Sussex County, Delaware

When a heat pump makes sense

If your home already heats with electricity, a heat pump is the natural fit, and it covers your summer cooling too. Winter nights here average 29°F, cold enough that a standard heat pump will lose some capacity, so look at a cold-climate model built to keep working at those temperatures. You'll want that steady output since your home needs heat about seven months of the year.

When a furnace makes sense

A furnace makes sense if natural gas already runs to your house, since gas heat costs at least 15% less here than a heat pump at current Delaware prices. It only heats, so you'd still need a separate system for cooling. That tradeoff is worth it if keeping winter bills down matters more to you than having one machine do both jobs.

When a heat pump makes sense

If your home already heats with electricity, a heat pump is the natural fit, and it covers your summer cooling too. Winter nights here average 29°F, cold enough that a standard heat pump will lose some capacity, so look at a cold-climate model built to keep working at those temperatures. You'll want that steady output since your home needs heat about seven months of the year.

When a furnace makes sense

A furnace makes sense if natural gas already runs to your house, since gas heat costs at least 15% less here than a heat pump at current Delaware prices. It only heats, so you'd still need a separate system for cooling. That tradeoff is worth it if keeping winter bills down matters more to you than having one machine do both jobs.

A heat pump outdoor unit mounted on a concrete pad next to the gray-sided exterior wall of a residential house.

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

A gas furnace and sheet-metal air handler unit installed in an unfinished concrete basement.

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 Sussex County.

Most homes here already heat with electricity, and with the housing stock this young, a heat pump fits without a fight.

At least 15% lessto heat with natural gas than with a heat pump, at Delaware prices
29°Faverage winter low
18%of homes here heat with gas

If your home already has a gas line and you would rather keep heating and cooling separate, a furnace still costs less to run through the winter.

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Compared onHeat pumpFurnace
Cost to run hereCosts more to runAt least 15% less to run
What it doesHeats and coolsHeats only
Homes in the South Atlantic states that heat with one30.1%48%
Handles a 29°F nightStandard models lose heating power in the cold; cold-climate models are built for itYes

Sources: U.S. Energy Information Administration, U.S. Department of Energy, NOAA

When a heat pump makes sense

If your home already heats with electricity, a heat pump is the natural fit, and it covers your summer cooling too. Winter nights here average 29°F, cold enough that a standard heat pump will lose some capacity, so look at a cold-climate model built to keep working at those temperatures. You'll want that steady output since your home needs heat about seven months of the year.

When a furnace makes sense

A furnace makes sense if natural gas already runs to your house, since gas heat costs at least 15% less here than a heat pump at current Delaware prices. It only heats, so you'd still need a separate system for cooling. That tradeoff is worth it if keeping winter bills down matters more to you than having one machine do both jobs.

A Sussex County contractor will price both against your own house, your ductwork and your panel.

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