Colorado Window Rebates and Tax Credits Homeowners Should Know

ENERGY STAR Certified Windows

ENERGY STAR certified windows can reduce household energy bills, especially when replacing single-pane windows.

Eligibility:

• Windows must be ENERGY STAR certified
• Air leakage must be ≤ 0.3 cfm/ft²
• Products must carry NFRC-certified U-Factor and SHGC ratings

Credit Amount:

• Eligible products may qualify for the same 30% federal tax credit, up to $600 noted above, if they meet ENERGY STAR Most Efficient requirements

ENERGY STAR Tax Credit Info

Weatherization Assistance Program (WAP)

Colorado’s Weatherization Assistance Program helps income-qualified households improve comfort, reduce energy use, and lower utility costs.

Eligibility:

• Households must meet income eligibility requirements
• The home may not have received weatherization services in the last 15 years
• The home must be an eligible structure
• Homeowner or landlord consent may be required for inspection and program oversight
• Qualifying upgrades must be part of approved weatherization work

Program Info:

• Federal DOE guidance allows states to serve households at or below 200% of federal poverty guidelines, or under a state-approved 60% of state median income / LIHEAP-based threshold

Colorado WAP Overview

Energy Smart Colorado

Energy Smart Colorado promotes local energy efficiency rebates and incentives in participating counties.

Eligibility:

• Program availability depends on participating counties and service areas
• Some projects may require pre- and post-retrofit energy analysis
• Some projects may require program-specific documentation
• Some programs require an energy assessment before incentives are approved

Incentive Amount:

• Incentives vary by jurisdiction and project scope
• Exact amounts depend on the local program administrator and the energy savings achieved

Colorado Energy Incentives

179D Commercial Tax Deduction

For commercial projects in Colorado, high-efficiency window upgrades may contribute to eligibility under the federal 179D Energy Efficient Commercial Buildings Deduction.

Eligibility:

• Applies to commercial buildings with qualifying energy-efficient property
• The building owner may claim the deduction
• Certain tax-exempt entities may allocate the deduction to a designer, such as an architect or engineer
• Projects may follow either a Traditional (Modeling) Pathway or an Alternative (Measurement) Pathway

Deduction Threshold:

• The deduction generally begins at 25% energy savings

179D Tax Deduction Info