Which States Still Heat with Oil?

The Lingering Oil Heating Problem in America

Despite the rapid growth of natural gas infrastructure and the rise of electric heat pumps, millions of American homes—concentrated heavily in the Northeast—still rely on fuel oil for warmth each winter. This dependence on heating oil comes with significant economic and environmental costs that many homeowners are only beginning to fully reckon with.

Why the Northeast Leads in Oil Heating

States like Maine, Vermont, New Hampshire, and Connecticut have some of the highest rates of oil heating in the nation—sometimes exceeding 30% or even 40% of all homes. This is largely a legacy of the mid-20th century, when natural gas pipelines were not extended throughout rural New England. Homeowners invested in oil furnaces and boilers that have lasted decades, and the upfront cost of switching has historically been a barrier.

The Economics of Heating Oil vs. Heat Pumps

Heating oil prices are notoriously volatile, often spiking during geopolitical disruptions or cold snaps. In contrast, a modern cold-climate heat pump can deliver 2.5 to 4 times more heat energy per unit of electricity consumed, making it dramatically more efficient than burning any fossil fuel. Homeowners switching from oil to heat pumps in the Northeast commonly report annual savings of $800 to $1,400 or more, depending on local electricity rates and the size of their home.

Federal Incentives Accelerating the Transition

The Inflation Reduction Act has changed the calculus for many oil-heating households. The 25C tax credit covers 30% of heat pump installation costs up to $2,000 per year, and the HOMES rebate program provides up to $8,000 for households replacing fossil fuel heating with electric heat pumps. Several Northeast states have added additional rebate programs on top of federal incentives, making the economics increasingly favorable.

What the Data Shows

The Census Bureau's American Community Survey provides a detailed breakdown of heating fuel types by ZIP code across the country. Aggregated to the state level, this data makes clear that while oil heating is declining nationally, the pace of change is uneven. States that have combined strong utility rebate programs with federal incentives are seeing faster adoption of heat pumps than those relying on market forces alone.

For homeowners currently heating with oil, the combination of rising oil prices, improving heat pump technology, and generous incentive programs makes 2026 an excellent time to evaluate a switch.