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Heat Pump Cost in Williston, North Dakota

Local pricing, rebates, and heating savings data for Williston homeowners.

$1,890

Annual Savings

9.5 yrs

Payback Period

$18,000

Net Cost

$18,196

15-Year Savings

Heat Pumps in Williston: What Homeowners Should Know

Williston has roughly 10,158 heating degree days a year, a very cold climate that determines how hard a heat pump works each winter. A typical 2,000 sq ft home here needs about a 5-ton system, installed for around $18,000.

Swapping electric-resistance heat for a heat pump in Williston cuts heating costs from about $3,464 to $1,575 a year — a saving of roughly $1,890 annually at the local electricity rate of $0.097/kWh, and an estimated $18,196 over 15 years. Savings are even larger if you currently heat with propane or oil. Note: the federal 25C heat-pump tax credit expired at the end of 2025, but North Dakota rebates and the income-qualified HEEHRA program (up to $8,000) can still bring the cost down. The local utility is Montana-Dakota Utilities.

Cost & Savings Breakdown

2,000 sq ft home switching from electric resistance in Williston

System Size

~5 tons

Installed Cost

$18,000

State/Utility Rebate

None

Net Cost

$18,000

Current Heating Cost/yr

$3,464

Heat Pump Cost/yr

$1,575

Annual Savings

$1,890

CO₂ Avoided/yr

16,559 lbs

15-Year Savings Projection

Available Rebates

Up to $8,000

HEEHRA (income-qualified) — Households at or below 150% of area median income can get up to $8,000 toward a heat pump.

Federal 25C Credit — The $2,000 federal heat-pump tax credit expired Dec 31, 2025.

View all North Dakota rebates →

Choosing a Heat Pump Installer in Williston

1.Get at least 3 quotes. Prices in North Dakota vary widely — comparing bids on the same ~5-ton system is the fastest way to avoid overpaying.
2.Insist on a Manual J load calculation. Proper sizing for Williston's 10,158 heating degree days is the single biggest factor in comfort and efficiency.
3.Choose a cold-climate (ccASHP) unit. Look for a strong HSPF2 rating and a 10-year compressor warranty.
4.Ask about rebate paperwork. Good installers handle North Dakota rebate and HEEHRA applications for you.

Common Questions

How much does a heat pump cost in Williston?

A whole-home heat pump in Williston, North Dakota costs approximately $18,000 installed. The federal 25C tax credit expired December 31, 2025.

How much can a heat pump save in Williston?

A typical Williston home switching from electric-resistance heat saves about $1,890 per year — roughly $18,196 over 15 years — with a payback of about 9.5 years. Savings are even larger versus propane or heating oil.

What size heat pump do I need in Williston?

A typical 2,000 sq ft home in Williston needs roughly a 5-ton heat pump, given the local climate of 10,158 heating degree days. A Manual J load calculation from your installer will confirm the exact size.

Do heat pumps work in Williston's climate?

Yes. With 10,158 heating degree days, Williston is a very cold climate. A cold-climate heat pump is recommended here — modern units maintain efficient heating well below 0°F.