Heat Pump Payback in Bristol, CT
Is a heat pump worth it in Bristol?
Here in Bristol, 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 $5,500 more up front here. The heat pump would cost about $298 more a year to run than the furnace it replaces, a premium with no payback. That's Bristol's own climate and rates talking, not a hedge or a caveat.
Not the city you meant?
This runs the same numbers for 3206 US cities, not just Bristol. Look one up here.
How cold Bristol actually gets
4906 heating degree days pile up here every year, so Bristol has a real but manageable winter; the cooling side runs to 826 cooling degree days, where summers add a moderate cooling load. 9°F is the figure equipment gets sized against here, the 99th-percentile cold snap, not an average day, with a low of 5°F in the 2024 station record. Worked through the model, that's a seasonal COP of 2.92 on the cold-climate unit fit for this climate. Below the 25°F line where a standard machine starts leaning on resistance backup, Bristol sits firmly in cold-climate territory, so that's the class of unit priced here. Source: NOAA station Meriden Markham Municipal Airport, 13.2 miles from Bristol, the closest one on record.
Bristol's running-cost comparison, in dollars
Electricity use for heating alone comes out to about 4,254 kWh a year on the 2000-square-foot reference house; folding in cooling puts the electric bill near $1,477 a year. That compares with roughly 51 Mcf a year of gas at Bristol's $16.83 per-Mcf rate, about $1,179 a year with the old AC included, against a local electricity rate of 29.78¢/kWh. Because the heat pump costs more to run here, the gap only widens with time: $9,969 behind after 15 years compared with replacing the furnace and AC like-for-like.
What would change Bristol's answer
For the verdict in Bristol to flip, electricity would need to drop to about 22.1¢/kWh from 29.78¢, or gas climb past $22.66 per Mcf from $16.83. A utility offering a lower heat pump rate can change this. Until then, no quote price makes a heat pump pay back against gas in Bristol; the case for one here rests on comfort, cooling, or replacing electric heat instead.
Electric resistance heat in Bristol, compared
Gas isn't universal in Bristol, many houses run on electric heat already. Against electric-resistance heat, baseboard or an electric furnace, both 100% efficient but still just resistance, the case for switching gets stronger here. The saving here runs about $2,542 a year, which recovers the extra $10,000 spent going electric in roughly 3.9 years.
How Bristol compares nationally
Bristol lands at position 857 out of 3206 cities on heating severity (coldest is 1), and 641 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 Bristol
Bristol, Connecticut is home to about 62,195 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 Bristol, nothing is lost by holding off until the current equipment genuinely fails.
Line up a few local HVAC quotes before you decide.
More on how this number was built
Nothing above is a black box: the methodology guide shows the full arithmetic behind Bristol's 2.92 seasonal COP and payback figure. Bristol's 9°F design temperature falls on the cold side of the 25°F cutoff the cold-climate unit guide walks through.