Will a heat pump pay off in Peabody, MA?

Peabody technically pencils out, but only past the point the equipment would need replacing anyway. $3,500 is what Peabody would pay extra to go electric rather than replace the furnace and AC with the same again, once the $2,000 federal credit is applied. Lower bills claw that back: about $107 saved annually, for a payback of roughly 32.8 years. That's a technicality, not a recommendation, for anyone actually living in Peabody.

Peabody's weather, in the numbers that matter

Peabody has a cold winter that leans hard on heating equipment — 5701 heating degree days a year against a 65°F base — and summers add a moderate cooling load, at 667 cooling degree days. 10.9°F is the figure equipment gets sized against here — the 99th-percentile cold snap, not an average day — with a record low of -0.9°F on file. Worked through the model, that's a seasonal COP of 2.96 on the cold-climate unit fit for this climate. Peabody 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. These numbers come from BEVERLY MUNICIPAL AIRPORT, the closest NOAA station, 4.3 miles out.

The month-to-month numbers for Peabody

Electricity use for heating alone comes out to about 4,877 kWh a year on the 2000-square-foot reference house; folding in cooling puts the electric bill near $1,642 a year. The gas furnace it replaces burns roughly 59 Mcf a year at 25.06 per Mcf here, for a running cost near $1,749 a year (electricity here runs 30.15¢/kWh). Buy it outright, not incrementally, and payback stretches to 126.5 years; over 15 years the net position sits $1,900 behind.

The other scenario: no gas furnace to begin with

Plenty of homes in Peabody heat with electricity alone, no gas line involved. Swap the comparison to resistance heat instead of gas, and Peabody's answer improves. Switching saves about $2,971 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.

Peabody against the rest of the country

Peabody lands at position 317 out of 3206 cities on heating severity (coldest is 1), and 741 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.

Next step for 55,418 people in Peabody

Peabody, Massachusetts is home to about 55,418 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 Peabody, nothing is lost by holding off until the current equipment genuinely fails.

Ask a local HVAC contractor for a quote before committing either way.

Reading further on this page's numbers

The methodology guide walks through exactly how Peabody's 2.96 seasonal COP and the rest of this page's numbers get built. Peabody's 10.9°F design temperature falls on the cold side of the 25°F cutoff the cold-climate unit guide walks through.