Should Jamestown switch to a heat pump?

In Jamestown, a heat pump would cost more to run each year than what you have now. 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). Running costs here land $178 a year HIGHER than the furnace it replaces, so that premium is never recovered. That's Jamestown's own climate and rates talking, not a hedge or a caveat.

How cold Jamestown actually gets

Degree days tell the story here: Jamestown racks up 7670 heating degree days each year (base 65°F), and summers add a moderate cooling load, with 457 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 -11.9°F, against a record low of -18.9°F. That puts the seasonal coefficient of performance at 2.41 for the recommended cold-climate unit. A cold-climate unit is the right call in Jamestown — below 25°F design temperature, a standard heat pump leans hard on electric-resistance backup, which erases most of the savings. Source: NOAA station JAMESTOWN REGIONAL AIRPORT, 1.8 miles from Jamestown — the closest one on record.

The month-to-month numbers for Jamestown

Electricity use for heating alone comes out to about 8,059 kWh a year on the 2000-square-foot reference house; folding in cooling puts the electric bill near $1,007 a year. Jamestown's gas rate of 9.50 per Mcf, applied to the 80 Mcf a year the furnace burns, puts its running cost near $829 a year, against 11.92¢ per kWh for electricity. Buy it outright, not incrementally, and payback stretches to beyond the 15-year equipment life; over 15 years the net position sits $6,164 behind.

If your home heats with electric baseboard instead of gas

Not every home in Jamestown has gas service. Against electric-resistance heat — baseboard or an electric furnace, both 100% efficient but still just resistance — the case for switching gets stronger here. Switching saves about $1,379 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 5.8 years.

Where Jamestown ranks in this dataset

Among 3206 cities, Jamestown's winter puts it at rank 22 for severity, while its size puts it at rank 2318 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 15,789 people in Jamestown

Jamestown, North Dakota is home to about 15,789 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 Jamestown, nothing is lost by holding off until the current equipment genuinely fails.

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

Where Jamestown's figure comes from

The methodology guide walks through exactly how Jamestown's 2.41 seasonal COP and the rest of this page's numbers get built. At a -11.9°F design temperature, Jamestown sits in cold-climate territory; the guide to that class of unit explains why.