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An unfinished basement featuring concrete block walls, exposed floor joists, and a metal forced-air furnace with ductwork near a central pillar.

Furnace vs Boiler in Yuma County, Arizona

When a furnace makes sense

If your house already has ductwork, a furnace is the simpler path. That same ductwork can carry cooled air in summer, which matters more here than the mild winters do. With lows only around 43°F even in the coldest months, you don't need much heat, just a system that's ready when those three months come around.

When a boiler makes sense

A boiler makes sense if your home is already set up with radiators or in-floor pipes instead of ducts. It runs about 5% cheaper to operate here, though winters are short enough that the difference stays small. Choose it for the heat it gives off, not for cooling, since a boiler only heats.

When a furnace makes sense

If your house already has ductwork, a furnace is the simpler path. That same ductwork can carry cooled air in summer, which matters more here than the mild winters do. With lows only around 43°F even in the coldest months, you don't need much heat, just a system that's ready when those three months come around.

When a boiler makes sense

A boiler makes sense if your home is already set up with radiators or in-floor pipes instead of ducts. It runs about 5% cheaper to operate here, though winters are short enough that the difference stays small. Choose it for the heat it gives off, not for cooling, since a boiler only heats.

A gray forced-air furnace with ductwork stands in an unfinished concrete basement surrounded by storage items and clutter.

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

A blue steel boiler with copper pipes and a pressure gauge mounted in an unfinished basement with stone walls and wooden stairs.

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 Yuma County.

In the Mountain West, 69.6% of homes heat with a furnace, so most already have the ductwork it needs.

About 5% lessto heat with a boiler than with a furnace, at Arizona prices
43°Faverage winter low
18%of homes here heat with gas

If your home already has radiators or in-floor pipes instead of ductwork, a boiler is still the better choice.

Find a contractor
Compared onFurnaceBoiler
Cost to run hereCosts more to runAbout 5% less to run
What it doesHeats onlyHeats only
Homes in the Mountain West that heat with one69.6%4.3%
Handles a 43°F nightYesYes

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 simpler path. That same ductwork can carry cooled air in summer, which matters more here than the mild winters do. With lows only around 43°F even in the coldest months, you don't need much heat, just a system that's ready when those three months come around.

When a boiler makes sense

A boiler makes sense if your home is already set up with radiators or in-floor pipes instead of ducts. It runs about 5% cheaper to operate here, though winters are short enough that the difference stays small. Choose it for the heat it gives off, not for cooling, since a boiler only heats.

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

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