How much does it cost to heat and cool a 2,000 sq ft home in Idaho?

In Idaho (12.8¢/kWh via Idaho Power), a 2,000 sq ft home averages $684/year ($57/month) with a high-efficiency heat pump, $712/year with a natural gas furnace and central AC, and $2,077/year with electric baseboards.

Are heat pumps cheaper to run than gas furnaces in Idaho?

At Idaho's natural gas rate of $1.15/therm, the economic break-even electricity price for a COP 3.1 heat pump is 13.2¢/kWh. Comparing this against Idaho's residential electricity rate of 12.8¢/kWh determines annual operating savings.

Idaho Heating & Cooling Cost Calculator (2026)

2,000 Sq Ft Heat Pump Bill

$57/mo

ID Electricity / Gas Rate

12.8¢ / $1.15

15-Yr Savings vs Baseboard

+$17,295

Idaho Annual Heating & Cooling Bills by Home Size

In Idaho, a 2,000 sq ft home averages $684/year ($57/mo) using a cold-climate heat pump ($651/yr winter heating + $34/yr summer cooling), compared to $712/year with a natural gas furnace and $2,077/year with electric baseboards.

Home Size	Heat Pump (COP 3.1)	Gas Furnace + AC	Baseboard + Window AC	15-Yr Heat Pump Savings
1,000 Sq Ft	$342/yr ($29/mo)	$356/yr ($30/mo)	$1,039/yr ($87/mo)	+$6,855
1,500 Sq Ft	$513/yr ($43/mo)	$534/yr ($45/mo)	$1,558/yr ($130/mo)	+$12,075
2,000 Sq Ft	$684/yr ($57/mo)	$712/yr ($59/mo)	$2,077/yr ($173/mo)	+$17,295
2,500 Sq Ft	$855/yr ($71/mo)	$890/yr ($74/mo)	$2,596/yr ($216/mo)	+$22,515
3,000 Sq Ft	$1,026/yr ($86/mo)	$1,068/yr ($89/mo)	$3,116/yr ($260/mo)	+$27,750
3,500 Sq Ft	$1,197/yr ($100/mo)	$1,246/yr ($104/mo)	$3,635/yr ($303/mo)	+$32,970