Is a heat pump worth it in Lakeville?

In Lakeville, 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 $280 a year HIGHER than the furnace it replaces, so that premium is never recovered. That's Lakeville's own climate and rates talking, not a hedge or a caveat.

Lakeville's weather, in the numbers that matter

Degree days tell the story here: Lakeville racks up 6437 heating degree days each year (base 65°F), and summers add a moderate cooling load, with 507 cooling degree days on the cooling side. Sizing runs off the design temperature, not the average day: -11.2°F here (record low -11.2°F), which works out to a seasonal COP of 2.43 for the cold-climate class of unit this climate calls for. Lakeville 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. Climate figures trace to the nearest NOAA station, AIRLAKE AIRPORT, 3.5 miles from Lakeville.

The month-to-month numbers for Lakeville

Modelled on a typical 2000-square-foot house, the heat pump draws about 6,708 kWh a year to keep it warm, plus cooling, for a combined electric bill near $1,119 a year. Lakeville's gas rate of 10.98 per Mcf, applied to the 67 Mcf a year the furnace burns, puts its running cost near $839 a year, against 15.67¢ per kWh for electricity. Looked at as a full purchase rather than an incremental one, payback here is longer than the 15-year equipment life, leaving the 15-year total $7,696 behind.

If your home heats with electric baseboard instead of gas

Gas isn't universal in Lakeville — 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 $1,538 a year, which recovers the extra $8,000 spent going electric in roughly 5.2 years.

How Lakeville compares nationally

Ranked against the other 3206 cities covered, Lakeville comes in at 96 for heating severity — 1 would be the coldest place in the dataset — and 485 by population, where 1 is largest. That's the coldest third of the dataset, where climate does most of the work behind this figure.

Next step for 77,971 people in Lakeville

Lakeville, Minnesota is home to about 77,971 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 Lakeville, 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 Lakeville's 2.43 seasonal COP and the rest of this page's numbers get built. At a -11.2°F design temperature, Lakeville sits in cold-climate territory; the guide to that class of unit explains why.