Should Johnson City switch to a heat pump?

Here in Johnson City, the honest answer is that a heat pump raises your annual running cost. Swap a failed furnace and AC for a heat pump rather than buying like-for-like, and the extra cost here runs $3,500 after a $2,000 federal tax credit. The heat pump would cost about $439 more a year to run than the furnace it replaces — a premium with no payback. That's Johnson City's own climate and rates talking, not a hedge or a caveat.

Johnson City's weather, in the numbers that matter

Degree days tell the story here: Johnson City racks up 6104 heating degree days each year (base 65°F), and summers add a moderate cooling load, with 476 cooling degree days on the cooling side. 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 -4°F. That puts the seasonal coefficient of performance at 2.79 for the recommended cold-climate unit. Johnson City 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 GREATER BINGHAMTON/E A LINK F, 5.7 miles from Johnson City — 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 5,540 kWh a year to keep it warm, plus cooling, for a combined electric bill near $1,737 a year. That compares with roughly 64 Mcf a year of gas at Johnson City's 17.58 per-Mcf rate — about $1,298 a year — against a local electricity rate of 29.22¢/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 $10,092 behind.

Electric resistance heat in Johnson City, compared

Plenty of homes in Johnson City heat with electricity alone, no gas line involved. Compared with baseboard or electric-furnace resistance heat, the numbers shift in the heat pump’s favor. Switching saves about $2,959 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 2.7 years.

Johnson City against the rest of the country

Johnson City lands at position 178 out of 3206 cities on heating severity (coldest is 1), and 2421 out of 3206 by population size (biggest is 1). 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 Johnson City

Johnson City, New York is home to about 14,698 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 Johnson City, 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 Johnson City's 2.79 seasonal COP and payback figure. Johnson City's 3.9°F design temperature falls on the cold side of the 25°F cutoff the cold-climate unit guide walks through.