Artesia, NM: the heat pump payback math
In Artesia, the extra upfront cost technically comes back, just not before the equipment wears out. 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). Lower bills claw that back: about $124 saved annually, for a payback of roughly 28.2 years. That's a technicality, not a recommendation, for anyone actually living in Artesia.
Artesia's weather, in the numbers that matter
Artesia has a mild winter by US standards — 2520 heating degree days a year against a 65°F base — and summers are severe enough that cooling can dominate the annual bill, at 2628 cooling degree days. The 99% winter design temperature here — the cold snap equipment must be sized for, not the seasonal average — is 15.8°F, against a record low of 8.6°F. That puts the seasonal coefficient of performance at 3.08 for the recommended cold-climate unit. Below the 25°F line where a standard machine starts leaning on resistance backup, Artesia sits firmly in cold-climate territory, so that's the class of unit priced here. These numbers come from ARTESIA MUNICIPAL AIRPORT, the closest NOAA station, 2.5 miles out.
The month-to-month numbers for Artesia
Modelled on a typical 2000-square-foot house, the heat pump draws about 2,072 kWh a year to keep it warm, plus cooling, for a combined electric bill near $636 a year. The gas furnace it replaces burns roughly 26 Mcf a year at 9.83 per Mcf here, for a running cost near $760 a year (electricity here runs 14.75¢/kWh). Buy it outright, not incrementally, and payback stretches to 108.6 years; over 15 years the net position sits $1,636 behind.
The other scenario: no gas furnace to begin with
Plenty of homes in Artesia heat with electricity alone, no gas line involved. Against electric-resistance heat — baseboard or an electric furnace, both 100% efficient but still just resistance — the case for switching gets stronger here. About $807 a year comes back this way, enough that the 9.9-year payback clears the $8,000 premium comfortably within the equipment's life.
How Artesia compares nationally
Artesia lands at position 2165 out of 3206 cities on heating severity (coldest is 1), and 2720 out of 3206 by population size (biggest is 1). That's the mildest third of cities covered, where utility rates carry more of the answer than climate does.
What to do with this number in Artesia
Artesia, New Mexico is home to about 12,550 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 Artesia, nothing is lost by holding off until the current equipment genuinely fails.
Get quotes from local HVAC contractors before deciding.
More on how this number was built
The methodology guide walks through exactly how Artesia's 3.08 seasonal COP and the rest of this page's numbers get built. At a 15.8°F design temperature, Artesia sits in cold-climate territory; the guide to that class of unit explains why.