Is a heat pump worth it in Fife?

Fife sits right on the fence — how long you'll own the house decides this one. $3,500 is what Fife 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 $252 saved annually, for a payback of roughly 13.9 years. It's a genuine toss-up here — Fife's numbers don't point clearly either way.

How cold Fife actually gets

3501 heating degree days pile up here every year, so Fife has a real but manageable winter; the cooling side runs to 58 cooling degree days, where summers rarely ask much of an air conditioner. 21.2°F is the figure equipment gets sized against here — the 99th-percentile cold snap, not an average day — with a record low of 16.7°F on file. Worked through the model, that's a seasonal COP of 3.21 on the cold-climate unit fit for this climate. A cold-climate unit is the right call in Fife — below 25°F design temperature, a standard heat pump leans hard on electric-resistance backup, which erases most of the savings. Source: NOAA station TACOMA MET, 4.4 miles from Fife — the closest one on record.

The month-to-month numbers for Fife

Modelled on a typical 2000-square-foot house, the heat pump draws about 2,762 kWh a year to keep it warm, plus cooling, for a combined electric bill near $401 a year. Fife's gas rate of 17.62 per Mcf, applied to the 36 Mcf a year the furnace burns, puts its running cost near $653 a year, against 14.27¢ per kWh for electricity. Priced as a standalone purchase rather than against a like-for-like replacement, equipment payback runs about 53.6 years, for a 15-year net position $280 ahead.

If your home heats with electric baseboard instead of gas

Gas isn't universal in Fife — 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. About $875 a year comes back this way, enough that the 9.1-year payback clears the $8,000 premium comfortably within the equipment's life.

Fife against the rest of the country

Fife lands at position 1773 out of 3206 cities on heating severity (coldest is 1), and 2974 out of 3206 by population size (biggest is 1). That's the middle third for winter severity among the cities covered here.

Deciding what's next in Fife, WA

Fife, Washington is home to about 11,077 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 Fife, 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 Fife's figure comes from

The methodology guide walks through exactly how Fife's 3.21 seasonal COP and the rest of this page's numbers get built. At a 21.2°F design temperature, Fife sits in cold-climate territory; the guide to that class of unit explains why.