Heat Pump Payback in Battle Ground, WA
Should Battle Ground switch to a heat pump?
In Battle Ground, the extra upfront cost technically comes back, just not before the equipment wears out. Against a like-for-like gas furnace and AC swap, going electric costs $5,500 more up front here. Battle Ground's residents would see roughly $311 a year back in running costs, putting the payback around 17.7 years. That's a technicality, not a recommendation, for anyone actually living in Battle Ground.
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How cold Battle Ground actually gets
Degree days tell the story here: Battle Ground racks up 4131 heating degree days each year (base 65°F), and summers add a moderate cooling load, with 514 cooling degree days on the cooling side. 17.1°F is the figure equipment gets sized against here, the 99th-percentile cold snap, not an average day, with a low of 16°F in the 2024 station record. Worked through the model, that's a seasonal COP of 3.11 on the cold-climate unit fit for this climate. Battle Ground 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 Pearson Field Airport, the closest NOAA station, 12.1 miles out.
What it actually costs to run, year to year
A 2000-square-foot house here would pull roughly 3,363 heating kilowatt-hours annually on top of cooling, totalling about $542 a year on electricity. Battle Ground's gas rate of $17.62 per Mcf, applied to the 43 Mcf a year the furnace burns, puts the current furnace-and-AC running cost near $853 a year, against 14.27¢ per kWh for electricity. Buying outright rather than at replacement time stretches payback to longer than the 15-year equipment life. Over 15 years, compared with a like-for-like replacement, the heat pump leaves you $841 behind.
What would change Battle Ground's answer
Gas would only overtake the heat pump in Battle Ground if electricity rose past 24.2¢/kWh from 14.27¢, or gas fell under $10.40 per Mcf from $17.62. A useful quote test for Battle Ground: the heat pump is worth it within a decade if it costs less than $3,110 more than replacing the furnace and AC, and within 7 years if the gap is under $2,177.
The other scenario: no gas furnace to begin with
Gas isn't universal in Battle Ground, 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 $1,045 a year, which recovers the extra $10,000 spent going electric in roughly 9.6 years.
Where Battle Ground ranks in this dataset
Battle Ground lands at position 1435 out of 3206 cities on heating severity (coldest is 1), and 1722 out of 3206 by population size (biggest is 1). That's the middle third for winter severity among the cities covered here.
What to do with this number in Battle Ground
Battle Ground, Washington is home to about 22,959 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 Battle Ground, 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
The methodology guide walks through exactly how Battle Ground's 3.11 seasonal COP and the rest of this page's numbers get built. Battle Ground's 17.1°F design temperature is below the 25°F line, which is why a cold-climate unit is the right call here, see what that changes in the cold-climate unit guide.