Tax credits and rebates can reduce the net cost of HVAC upgrades, but the details change with legislation, program funding, and equipment eligibility. For projects in 2026, do not assume the same federal credits that applied in 2023–2025 are still available for new installations.
The federal Energy Efficient Home Improvement Credit (Section 25C) covered qualifying high-efficiency heat pumps, air conditioners, furnaces, and certain related improvements for property placed in service before January 1, 2026, subject to annual caps and efficiency tiers published by the IRS. Installations completed in 2026 generally do not qualify for that credit unless your project was placed in service by the prior deadline—confirm dates with your tax preparer and retain invoices, model numbers, and manufacturer certification statements.
Utility rebates and state programs may still be available and are often the main incentive layer for new projects. Programs vary by electric or gas provider, income limits, and required efficiency levels. Rebates may be instant at participating dealers or require mail-in documentation weeks after installation.
Contractors sometimes advertise “free money” without verifying your eligibility. Ask for the official program name, qualifying model list, application steps, and whether the rebate is guaranteed or estimated. Federal, state, and utility incentives usually cannot be combined beyond what each program allows.
Before you sign, build your budget without assuming rebates you have not confirmed. Independent review can help you separate verified incentives from vague marketing language on the bid.

