You have until Dec. 31 to cash in on federal tax incentives to upgrade your home’s energy efficiency.

The incentives include a $2,000 tax credit for heat pumps, water heaters, biomass stoves, or biomass boilers. Other tax credits are $250 per door (a maximum of two), $600 for exterior windows and skylights, and $150 for home energy audits. Also included: a 30 percent federal tax credit for geothermal heat pumps.

The energy-saving incentives were enacted by the Biden administration but are being eliminated by the Trump administration effective Jan. 1, 2026.

However, other smaller incentives may remain available to Long Island and New York City residents through state agencies and local utilities.

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