Heat pump vs. gas furnace in Miamisburg, OH
In Miamisburg, the extra upfront cost technically comes back, just not before the equipment wears out. $3,500 is what Miamisburg would pay extra to go electric rather than replace the furnace and AC with the same again, once the $2,000 federal credit is applied. Miamisburg's residents would see roughly $8 a year back in running costs, putting the payback around 424.8 years. Miamisburg's own numbers say this pencils out only in theory, not in practice.
Why Miamisburg's climate drives this number
Miamisburg has a real but manageable winter — 4083 heating degree days a year against a 65°F base — and summers are hot enough that cooling matters as much as heating, at 1300 cooling degree days. Sizing runs off the design temperature, not the average day: 3°F here (record low 3°F), which works out to a seasonal COP of 2.77 for the cold-climate class of unit this climate calls for. Below the 25°F line where a standard machine starts leaning on resistance backup, Miamisburg sits firmly in cold-climate territory, so that's the class of unit priced here. These numbers come from DAYTON-WRIGHT BROTHERS APT, the closest NOAA station, 3.5 miles out.
Miamisburg's running-cost comparison, in dollars
Electricity use for heating alone comes out to about 3,732 kWh a year on the 2000-square-foot reference house; folding in cooling puts the electric bill near $891 a year. That compares with roughly 43 Mcf a year of gas at Miamisburg's 13.85 per-Mcf rate — about $899 a year — against a local electricity rate of 18.40¢/kWh. Buy it outright, not incrementally, and payback stretches to 1638.5 years; over 15 years the net position sits $3,376 behind.
The other scenario: no gas furnace to begin with
Not every home in Miamisburg has gas service. Against electric-resistance heat — baseboard or an electric furnace, both 100% efficient but still just resistance — the case for switching gets stronger here. Switching saves about $1,322 a year here — a heat pump moving heat rather than generating it needs far less electricity than resistance coils — so the extra $8,000 spent up front comes back in about 6.1 years.
How Miamisburg compares nationally
Miamisburg lands at position 1465 out of 3206 cities on heating severity (coldest is 1), and 1900 out of 3206 by population size (biggest is 1). That's the middle third for winter severity among the cities covered here.
What to do with this number in Miamisburg
About 20,253 people live in Miamisburg, Ohio, and every number on this page is what a contractor would actually work from when quoting a system here — the point isn't to replace that quote, it's to tell you whether to bother asking for one. Here, there's no cost penalty to waiting until your current furnace or AC actually needs replacing.
Ask a local HVAC contractor for a quote before committing either way.
Where Miamisburg's figure comes from
Every constant behind this page — the 2.77 seasonal COP, the degree-day corrections, the equipment costs — is documented in the methodology guide. Miamisburg's 3°F design temperature is below the 25°F line, which is why a cold-climate unit is the right call here — see what that changes in the cold-climate unit guide.