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2026 HVAC Rebates & Tax Credits: What's Available

October 12, 20257 min read

Upgrading your HVAC system or building envelope has never been more financially attractive. Between federal tax credits, state-level programs, and utility incentives, you can offset a significant portion of the cost.

Federal Tax Credits (25C)

The Energy Efficient Home Improvement Credit allows you to claim up to 30% of the cost of eligible upgrades, with annual limits. You can claim up to $2,000 per year for qualified heat pumps and heat pump water heaters, and up to $1,200 for other improvements like insulation, central AC, and furnaces.

HOMES & HEEHRA Rebates

These federally funded, state-administered programs provide point-of-sale rebates for efficiency upgrades. HEEHRA focuses on low-to-moderate-income households, offering up to $8,000 for heat pumps and $1,600 for insulation. The HOMES rebate is performance-based, rewarding projects that achieve modeled energy savings of 20% or more.

Connecticut State Incentives

Energize CT offers generous incentives for homeowners. Through the Home Energy Solutions program, you can receive deep discounts on air sealing and insulation. Rebates for heat pumps can reach up to $15,000 for whole-home electrification projects, depending on your current fuel source and system design.

How Thermoline Can Help

Navigating these programs can be complex. Thermoline Systems is a certified contractor for Energize CT and other programs. We handle the paperwork and ensure your project meets all eligibility requirements so you get the maximum incentive.

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