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

In Guam (34¢/kWh via Guam Power Authority (GPA)), a 2,000 sq ft home averages $689/year ($57/month) with a high-efficiency heat pump, $827/year with a natural gas furnace and central AC, and $1,240/year with electric baseboards.

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

At Guam's natural gas rate of $2.9/therm, the economic break-even electricity price for a COP 3.1 heat pump is 33.3¢/kWh. Comparing this against Guam's residential electricity rate of 34¢/kWh determines annual operating savings.

Guam Heating & Cooling Cost Calculator (2026)

2,000 Sq Ft Heat Pump Bill

$57/mo

GU Electricity / Gas Rate

34¢ / $2.9

15-Yr Savings vs Baseboard

+$4,665

Guam Annual Heating & Cooling Bills by Home Size

In Guam, a 2,000 sq ft home averages $689/year ($57/mo) using a cold-climate heat pump ($0/yr winter heating + $689/yr summer cooling), compared to $827/year with a natural gas furnace and $1,240/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	$345/yr ($29/mo)	$413/yr ($34/mo)	$620/yr ($52/mo)	+$525
1,500 Sq Ft	$517/yr ($43/mo)	$620/yr ($52/mo)	$930/yr ($78/mo)	+$2,595
2,000 Sq Ft	$689/yr ($57/mo)	$827/yr ($69/mo)	$1,240/yr ($103/mo)	+$4,665
2,500 Sq Ft	$861/yr ($72/mo)	$1,034/yr ($86/mo)	$1,550/yr ($129/mo)	+$6,735
3,000 Sq Ft	$1,034/yr ($86/mo)	$1,240/yr ($103/mo)	$1,860/yr ($155/mo)	+$8,790
3,500 Sq Ft	$1,206/yr ($101/mo)	$1,447/yr ($121/mo)	$2,171/yr ($181/mo)	+$10,875

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Verify 2026 Federal 25C Tax Credit & Guam Power Authority (GPA) rebate eligibility and compare turnkey contractor pricing for a 3.0-Ton system (2,000 sq ft).

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