Heat Pump Payback in Winona, MN
Is a heat pump worth it in Winona?
Here in Winona, the honest answer is that a heat pump raises your annual running cost. Swap a failed furnace and AC for a heat pump rather than buying like-for-like, and the extra cost here runs $5,500. Unfortunately the electric bill outweighs the gas bill it replaces by about $218 a year here, so the extra spend stays unrecovered. There's no spin on that: Winona's numbers say wait.
Not the city you meant?
This runs the same numbers for 3206 US cities, not just Winona. Look one up here.
Why Winona's climate drives this number
Degree days tell the story here: Winona racks up 5999 heating degree days each year (base 65°F), and summers add a moderate cooling load, with 585 cooling degree days on the cooling side. The 99% winter design temperature here, the cold snap equipment must be sized for, not the seasonal average, is -7.6°F, and the coldest daily reading in the 2024 station record was -9.4°F. That puts the seasonal coefficient of performance at 2.52 for the recommended cold-climate unit. Below the 25°F line where a standard machine starts leaning on resistance backup, Winona sits firmly in cold-climate territory, so that's the class of unit priced here. Climate figures trace to the nearest NOAA station, Wioa Muni-Max Conrad Fd AP, 2.7 miles from Winona.
The yearly running costs in Winona
Electricity use for heating alone comes out to about 6,028 kWh a year on the 2000-square-foot reference house; folding in cooling puts the electric bill near $1,023 a year. Winona's gas rate of $10.98 per Mcf, applied to the 62 Mcf a year the furnace burns, puts the current furnace-and-AC running cost near $805 a year, against 15.67¢ per kWh for electricity. With running costs higher every year, there is no payback at any purchase price; over 15 years, against a like-for-like replacement, a household here would end $8,769 behind.
How sensitive Winona's result is to prices
The heat pump would become the cheaper option in Winona if electricity fell to 11.9¢/kWh (from 15.67¢) or gas rose above $14.47 per Mcf (from $10.98). At today's prices a cheaper quote cannot rescue the gas comparison in Winona, since there is no yearly saving to recover it from.
The other scenario: no gas furnace to begin with
Gas isn't universal in Winona, many houses run on electric heat already. 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 $1,476 a year here, a heat pump moving heat rather than generating it needs far less electricity than resistance coils, so the extra $10,000 spent up front comes back in about 6.8 years.
Winona against the rest of the country
Among 3206 cities, Winona's winter puts it at rank 230 for severity, while its size puts it at rank 1529 for population, 1 in both cases being the extreme. That's the coldest third of the dataset, where climate does most of the work behind this figure.
What to do with this number in Winona
About 26,173 people live in Winona, Minnesota, 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 Winona's figure comes from
Nothing above is a black box: the methodology guide shows the full arithmetic behind Winona's 2.52 seasonal COP and payback figure. Winona's -7.6°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.