Alamogordo, NM: the heat pump payback math
The payback math works in Alamogordo on paper, past the equipment's own working life. Against a like-for-like gas furnace and AC swap, going electric costs $3,500 more up front here (already netting out a $2,000 tax credit). That premium is recovered through $98 of lower running costs every year, landing the payback clock at roughly 35.6 years. That's a technicality, not a recommendation, for anyone actually living in Alamogordo.
Alamogordo's weather, in the numbers that matter
2661 heating degree days pile up here every year, so Alamogordo has a mild winter by US standards; the cooling side runs to 2131 cooling degree days, where summers are hot enough that cooling matters as much as heating. 19.4°F is the figure equipment gets sized against here — the 99th-percentile cold snap, not an average day — with a record low of 17.6°F on file. Worked through the model, that's a seasonal COP of 3.17 on the cold-climate unit fit for this climate. Alamogordo 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. These numbers come from ALAMOGORDO-WHITE SANDS RGL AI, the closest NOAA station, 3.4 miles out.
The month-to-month numbers for Alamogordo
Modelled on a typical 2000-square-foot house, the heat pump draws about 2,126 kWh a year to keep it warm, plus cooling, for a combined electric bill near $582 a year. That compares with roughly 28 Mcf a year of gas at Alamogordo's 9.83 per-Mcf rate — about $680 a year — against a local electricity rate of 14.75¢/kWh. Looked at as a full purchase rather than an incremental one, payback here is roughly 137.4 years, leaving the 15-year total $2,026 behind.
The other scenario: no gas furnace to begin with
Gas isn't universal in Alamogordo — many houses run on electric heat already. Compared with baseboard or electric-furnace resistance heat, the numbers shift in the heat pump’s favor. Switching saves about $820 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 9.8 years.
Where Alamogordo ranks in this dataset
Alamogordo lands at position 2066 out of 3206 cities on heating severity (coldest is 1), and 1293 out of 3206 by population size (biggest is 1). That's the middle third for winter severity among the cities covered here.
Deciding what's next in Alamogordo, NM
Alamogordo, New Mexico is home to about 31,667 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 Alamogordo, nothing is lost by holding off until the current equipment genuinely fails.
Ask a local HVAC contractor for a quote before committing either way.
Reading further on this page's numbers
The methodology guide walks through exactly how Alamogordo's 3.17 seasonal COP and the rest of this page's numbers get built. Alamogordo's 19.4°F design temperature falls on the cold side of the 25°F cutoff the cold-climate unit guide walks through.