Heat pump vs. gas furnace in Westbury, NY
Westbury is a place where a heat pump genuinely costs more to operate than the alternative. 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). Unfortunately the electric bill outweighs the gas bill it replaces by about $103 a year here, so the extra spend stays unrecovered. That's Westbury's own climate and rates talking, not a hedge or a caveat.
How cold Westbury actually gets
Degree days tell the story here: Westbury racks up 4308 heating degree days each year (base 65°F), and summers are hot enough that cooling matters as much as heating, with 1024 cooling degree days on the cooling side. Sizing runs off the design temperature, not the average day: 17.1°F here (record low 10.9°F), which works out to a seasonal COP of 3.11 for the cold-climate class of unit this climate calls for. Below the 25°F line where a standard machine starts leaning on resistance backup, Westbury sits firmly in cold-climate territory, so that's the class of unit priced here. These numbers come from REPUBLIC AIRPORT, the closest NOAA station, 9.2 miles out.
What it actually costs to run, year to year
A 2000-square-foot house here would pull roughly 3,508 heating kilowatt-hours annually on top of cooling, totalling about $1,280 a year on electricity. That compares with roughly 45 Mcf a year of gas at Westbury's 17.58 per-Mcf rate — about $1,177 a year — against a local electricity rate of 29.22¢/kWh. Looked at as a full purchase rather than an incremental one, payback here is longer than the 15-year equipment life, leaving the 15-year total $5,052 behind.
If your home heats with electric baseboard instead of gas
Gas isn't universal in Westbury — many houses run on electric heat already. Compared with baseboard or electric-furnace resistance heat, the numbers shift in the heat pump’s favor. The saving here runs about $2,295 a year, which recovers the extra $8,000 spent going electric in roughly 3.5 years.
Where Westbury ranks in this dataset
Among 3206 cities, Westbury's winter puts it at rank 1322 for severity, while its size puts it at rank 2309 for population — 1 in both cases being the extreme. That's the middle third for winter severity among the cities covered here.
Deciding what's next in Westbury, NY
Westbury, New York is home to about 15,871 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 Westbury, nothing is lost by holding off until the current equipment genuinely fails.
Get quotes from local HVAC contractors before deciding.
Reading further on this page's numbers
Nothing above is a black box: the methodology guide shows the full arithmetic behind Westbury's 3.11 seasonal COP and payback figure. Westbury's 17.1°F design temperature falls on the cold side of the 25°F cutoff the cold-climate unit guide walks through.