Can You Claim New Windows on Your Taxes? What Central PA Homeowners Need to Know

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Replacing your windows is a smart investment—but can you deduct it on your taxes? For homeowners in Harrisburg, Lancaster, Lebanon, York, and the surrounding areas, the answer depends on when the windows were installed and what kind of products were used.

Let’s walk through what qualifies, what no longer applies in 2026, and how homeowners should think about window upgrades moving forward.

Energy Tax Credits: What Changed After 2025

Through the end of 2025, the federal Energy Efficient Home Improvement Credit allowed homeowners to claim a portion of the cost for qualifying ENERGY STAR® window installations. The goal was to encourage upgrades that reduced energy consumption and utility demand.

However, those credits required that the windows be fully installed and operational by December 31, 2025. Simply signing a contract or ordering materials was not enough.

In 2026, there are currently no federal tax credits available for new window installations, which has caused confusion for many homeowners beginning projects this year.

If You Installed Windows in 2025, You May Still Qualify

If your window replacement was completed in 2025 and you haven’t yet filed your taxes, you may still be able to claim the credit on your return.

To qualify, the installation needed to meet IRS requirements, including:

  • ENERGY STAR® certification
  • Installation in a primary residence
  • Proof the project was completed in 2025

You’ll also need documentation such as paid invoices, manufacturer certifications, and installation dates. If Window Depot of Central PA handled your project, our team can assist with retrieving copies of that paperwork.

What About Pennsylvania Incentives?

While federal credits may no longer apply to new projects in 2026, homeowners should still explore state or utility-based programs. Some energy providers in Central Pennsylvania occasionally offer rebates for efficiency upgrades, particularly when replacing outdated single-pane windows.

Even without incentives, energy-efficient windows often reduce heating and cooling bills enough to deliver long-term savings that outweigh the initial investment.

Are New Windows Still Worth It?

Tax credits are helpful—but they shouldn’t be the sole reason to upgrade. Modern high-performance windows provide year-round benefits, including improved insulation, reduced drafts, quieter interiors, and increased resale appeal.

Triple-pane glass, Low-E coatings, and insulated vinyl frames can dramatically improve indoor comfort during Pennsylvania’s cold winters and humid summers. Many homeowners see noticeable reductions in energy use within the first year.

Final Takeaway

If your windows were installed in 2025, it’s worth checking whether you qualify for tax savings when filing this year. If you’re replacing windows in 2026, the focus should shift toward efficiency, durability, and long-term value.

Want help reviewing your past installation or planning a future upgrade? Contact Window Depot of Central PA for a free inspection and price quote.