Heating costs in Arizona
The cheapest way to heat a home in Arizona at today's average prices is heat pump ($18.38 per million BTU of heat), then natural gas ($19.81). A heat pump costs 7.2% less to run than a gas furnace.
Natural gas $18.49/Mcf winter 2025–26 avg. · Jul 2026: $26.31
Electricity 15.1¢/kWh August 2026 · -0.3% y/y
Cheapest way to heat a home in Arizona cost of the same amount of heat
Heat source Price used Per million BTU of heat Per winter
Heat pump cheapest 15.7¢/kWh ÷ COP 2.5
$18.38 $919 Natural gas $18.49/Mcf · winter 2025–26 avg.
$19.81 $991 Electric resistance 15.7¢/kWh · winter 2025–26 avg.
$45.94 $2,297
How we compare: fuel price ÷ (energy content × efficiency). Assumptions — heating oil 138,500 BTU/gal at 85%, propane 91,500 BTU/gal at 90%, natural gas 1,037,000 BTU per Mcf at 90%, electric resistance 100%, heat pump seasonal COP 2.5 (lower in very cold weather). Gas and electricity use last winter's average price; oil and propane the latest weekly survey. Delivery fees, tank rental and fixed charges vary and are not included.
Natural gas price in Arizona $14 $18 $22 $26 $30 2024 2025 2026 August 2023: $29.51 per thousand cubic feet September 2023: $28.79 per thousand cubic feet October 2023: $25.59 per thousand cubic feet November 2023: $21.24 per thousand cubic feet December 2023: $19.32 per thousand cubic feet January 2024: $19.30 per thousand cubic feet February 2024: $19.64 per thousand cubic feet March 2024: $18.94 per thousand cubic feet April 2024: $20.30 per thousand cubic feet May 2024: $23.37 per thousand cubic feet June 2024: $26.12 per thousand cubic feet July 2024: $28.60 per thousand cubic feet August 2024: $29.37 per thousand cubic feet September 2024: $28.41 per thousand cubic feet October 2024: $24.86 per thousand cubic feet November 2024: $17.59 per thousand cubic feet December 2024: $16.71 per thousand cubic feet January 2025: $15.84 per thousand cubic feet February 2025: $16.36 per thousand cubic feet March 2025: $15.58 per thousand cubic feet April 2025: $17.91 per thousand cubic feet May 2025: $21.06 per thousand cubic feet June 2025: $23.70 per thousand cubic feet July 2025: $25.84 per thousand cubic feet August 2025: $26.90 per thousand cubic feet September 2025: $26.72 per thousand cubic feet October 2025: $23.74 per thousand cubic feet November 2025: $19.89 per thousand cubic feet December 2025: $17.90 per thousand cubic feet January 2026: $17.24 per thousand cubic feet February 2026: $17.73 per thousand cubic feet March 2026: $19.69 per thousand cubic feet April 2026: $20.88 per thousand cubic feet May 2026: $22.44 per thousand cubic feet June 2026: $24.74 per thousand cubic feet July 2026: $26.31 per thousand cubic feet $14 $18 $22 $26 $30 2024 2025 2026 August 2023: $29.51 per thousand cubic feet September 2023: $28.79 per thousand cubic feet October 2023: $25.59 per thousand cubic feet November 2023: $21.24 per thousand cubic feet December 2023: $19.32 per thousand cubic feet January 2024: $19.30 per thousand cubic feet February 2024: $19.64 per thousand cubic feet March 2024: $18.94 per thousand cubic feet April 2024: $20.30 per thousand cubic feet May 2024: $23.37 per thousand cubic feet June 2024: $26.12 per thousand cubic feet July 2024: $28.60 per thousand cubic feet August 2024: $29.37 per thousand cubic feet September 2024: $28.41 per thousand cubic feet October 2024: $24.86 per thousand cubic feet November 2024: $17.59 per thousand cubic feet December 2024: $16.71 per thousand cubic feet January 2025: $15.84 per thousand cubic feet February 2025: $16.36 per thousand cubic feet March 2025: $15.58 per thousand cubic feet April 2025: $17.91 per thousand cubic feet May 2025: $21.06 per thousand cubic feet June 2025: $23.70 per thousand cubic feet July 2025: $25.84 per thousand cubic feet August 2025: $26.90 per thousand cubic feet September 2025: $26.72 per thousand cubic feet October 2025: $23.74 per thousand cubic feet November 2025: $19.89 per thousand cubic feet December 2025: $17.90 per thousand cubic feet January 2026: $17.24 per thousand cubic feet February 2026: $17.73 per thousand cubic feet March 2026: $19.69 per thousand cubic feet April 2026: $20.88 per thousand cubic feet May 2026: $22.44 per thousand cubic feet June 2026: $24.74 per thousand cubic feet July 2026: $26.31 per thousand cubic feet Monthly · summer prices per Mcf run higher because fixed charges are spread over less gas Average price paid by homes, including delivery charges. Source: EIA Natural Gas Monthly.
Questions Is a heat pump cheaper than gas in Arizona? Yes, at average prices: a heat pump (seasonal COP 2.5) delivers heat for $18.38 per million BTU, 7.2% less than a 90% gas furnace at $19.81.
What is the cheapest way to heat a home in Arizona? At current average prices: heat pump $18.38, natural gas $19.81, electric resistance $45.94 per million BTU of delivered heat (cheapest first).