Brandon, SD: the heat pump payback math
Brandon is a place where a heat pump genuinely costs more to operate than the alternative. $3,500 is what Brandon 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. Running costs here land $263 a year HIGHER than the furnace it replaces, so that premium is never recovered. There's no spin on that: Brandon's numbers say wait.
Why Brandon's climate drives this number
Brandon has a cold winter that leans hard on heating equipment — 6045 heating degree days a year against a 65°F base — and summers add a moderate cooling load, at 852 cooling degree days. Sizing runs off the design temperature, not the average day: -16.1°F here (record low -18.9°F), which works out to a seasonal COP of 2.31 for the cold-climate class of unit this climate calls for. Brandon needs the cold-climate class of unit: past a 25°F design temperature a standard heat pump falls back on resistance backup often enough to eat the savings. Source: NOAA station JOE FOSS FIELD AIRPORT, 8.6 miles from Brandon — the closest one on record.
What it actually costs to run, year to year
Modelled on a typical 2000-square-foot house, the heat pump draws about 6,626 kWh a year to keep it warm, plus cooling, for a combined electric bill near $1,040 a year. That compares with roughly 63 Mcf a year of gas at Brandon's 9.86 per-Mcf rate — about $777 a year — against a local electricity rate of 14.15¢/kWh. Buy it outright, not incrementally, and payback stretches to beyond the 15-year equipment life; over 15 years the net position sits $7,451 behind.
Electric resistance heat in Brandon, compared
Gas isn't universal in Brandon — many houses run on electric heat already. Compared with baseboard or electric-furnace resistance heat, the numbers shift in the heat pump’s favor. The saving here runs about $1,282 a year, which recovers the extra $8,000 spent going electric in roughly 6.2 years.
Brandon against the rest of the country
Among 3206 cities, Brandon's winter puts it at rank 200 for severity, while its size puts it at rank 3019 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.
Deciding what's next in Brandon, SD
About 10,837 people live in Brandon, South Dakota, 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 Brandon's figure comes from
The methodology guide walks through exactly how Brandon's 2.31 seasonal COP and the rest of this page's numbers get built. Brandon's -16.1°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.