Rifle, CO: the heat pump payback math
Here in Rifle, the honest answer is that a heat pump raises your annual running cost. 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). The heat pump would cost about $144 more a year to run than the furnace it replaces — a premium with no payback. That's Rifle's own climate and rates talking, not a hedge or a caveat.
Rifle's weather, in the numbers that matter
5985 heating degree days pile up here every year, so Rifle has a cold winter that leans hard on heating equipment; the cooling side runs to 793 cooling degree days, where summers add a moderate cooling load. The 99% winter design temperature here — the cold snap equipment must be sized for, not the seasonal average — is 3.9°F, against a record low of 0°F. That puts the seasonal coefficient of performance at 2.79 for the recommended cold-climate unit. Below the 25°F line where a standard machine starts leaning on resistance backup, Rifle sits firmly in cold-climate territory, so that's the class of unit priced here. Source: NOAA station GARFIELD CO REGIONAL ARPT, 2.8 miles from Rifle — the closest one on record.
Rifle's running-cost comparison, in dollars
Modelled on a typical 2000-square-foot house, the heat pump draws about 5,432 kWh a year to keep it warm, plus cooling, for a combined electric bill near $1,010 a year. The gas furnace it replaces burns roughly 62 Mcf a year at 11.17 per Mcf here, for a running cost near $866 a year (electricity here runs 16.53¢/kWh). Priced as a standalone purchase rather than against a like-for-like replacement, equipment payback runs past the 15-year equipment life, for a 15-year net position $5,653 behind.
If your home heats with electric baseboard instead of gas
Plenty of homes in Rifle heat with electricity alone, no gas line involved. Swap the comparison to resistance heat instead of gas, and Rifle's answer improves. The saving here runs about $1,665 a year, which recovers the extra $8,000 spent going electric in roughly 4.8 years.
How Rifle compares nationally
Among 3206 cities, Rifle's winter puts it at rank 245 for severity, while its size puts it at rank 3054 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.
Next step for 10,663 people in Rifle
Rifle, Colorado is home to about 10,663 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 Rifle, nothing is lost by holding off until the current equipment genuinely fails.
Line up a few local HVAC quotes before you decide.
Reading further on this page's numbers
Nothing above is a black box: the methodology guide shows the full arithmetic behind Rifle's 2.79 seasonal COP and payback figure. At a 3.9°F design temperature, Rifle sits in cold-climate territory; the guide to that class of unit explains why.