Is a heat pump worth it in Carson?
The payback math works in Carson on paper, past the equipment's own working life. $3,500 is what Carson 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. That premium is recovered through $144 of lower running costs every year, landing the payback clock at roughly 24.3 years. That's a technicality, not a recommendation, for anyone actually living in Carson.
Carson's weather, in the numbers that matter
5013 heating degree days pile up here every year, so Carson has a cold winter that leans hard on heating equipment; the cooling side runs to 996 cooling degree days, where summers add a moderate cooling load. 10.4°F is the figure equipment gets sized against here — the 99th-percentile cold snap, not an average day — with a record low of 1.4°F on file. Worked through the model, that's a seasonal COP of 2.95 on the cold-climate unit fit for this climate. Below the 25°F line where a standard machine starts leaning on resistance backup, Carson sits firmly in cold-climate territory, so that's the class of unit priced here. Source: NOAA station CARSON AIRPORT, 2.2 miles from Carson — 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 4,303 kWh a year to keep it warm, plus cooling, for a combined electric bill near $723 a year. Carson's gas rate of 13.14 per Mcf, applied to the 52 Mcf a year the furnace burns, puts its running cost near $867 a year, against 14.04¢ per kWh for electricity. Looked at as a full purchase rather than an incremental one, payback here is roughly 93.8 years, leaving the 15-year total $1,342 behind.
The other scenario: no gas furnace to begin with
Gas isn't universal in Carson — many houses run on electric heat already. Swap the comparison to resistance heat instead of gas, and Carson's answer improves. About $1,240 a year comes back this way, enough that the 6.5-year payback clears the $8,000 premium comfortably within the equipment's life.
Where Carson ranks in this dataset
Ranked against the other 3206 cities covered, Carson comes in at 681 for heating severity — 1 would be the coldest place in the dataset — and 702 by population, where 1 is largest. 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 Carson
Carson, Nevada is home to about 58,148 people, and the figures above are the same ones a local HVAC contractor uses to size and quote a system — this site doesn't guess where a real quote would land, it just tells you whether it's worth asking for one. In Carson, nothing is lost by holding off until the current equipment genuinely fails.
Ask a local HVAC contractor for a quote before committing either way.
Where Carson's figure comes from
The methodology guide walks through exactly how Carson's 2.95 seasonal COP and the rest of this page's numbers get built. Carson's 10.4°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.