How Much Do Energy-Efficient Windows Save?

Energy-efficient windows can help the environment and your wallet
Read Time: 3 minutes
Feb 6, 2023

If you’re considering replacing your windows, energy-efficient models are a great option. Energy-efficient windows have internal chambers that increase structural integrity, rigidity, and energy efficiency. Not only are they great for lowering your energy bill, but they are also strong and durable choices. Energy-efficient windows can lower your energy bills by 12% per year. But is it worth it in the long run?

Do Energy-Efficient Windows Cost More?

A hand opening a window by using a handle.

Energy-efficient windows often do cost more than normal windows. According to U.S. News & World Report, energy-efficient windows cost between $300 and $1,000 per window while traditional windows cost between $180 and $410 per window. However, the return on investment can be up to 68%.

How Do Energy-Efficient Windows Save You Money?

Energy-efficient windows can be more of an upfront investment, but they can help you save money over time. Here’s how.

Decreased Energy Bills

A flat lay of efficient light bulbs against a chart about energy efficiency.

On average, using ENERGY STAR-certified windows can save you 12% on energy bills. Because these windows have better insulation than normal windows, they help regulate your house’s temperature. Less air gets out of the house, so your HVAC system doesn’t have to work as hard. When you lower your HVAC usage, you also lower your energy bills.

Tax Breaks or Refunds

Besides decreasing your energy bills, energy-efficient windows can help you save money through tax breaks or refunds. The Inflation Reduction Act of 2022 introduced savings to lower the cost of energy-efficient home upgrades, including windows, by up to 30%. Some states and municipalities also have additional incentives.

How Much Money Do Energy-Efficient Windows Save Per Year?

A four-panel window with a view of a summer backyard.

Using energy-efficient windows can reduce your energy bills by an average of 12%. This typically totals between $100 and $600 in savings per year. However, everybody’s total savings will look different depending on a variety of factors, including:

  • How efficient the previous windows were
  • Energy costs in your area
  • Your local climate
  • Number of windows in home

Are Energy-Efficient Windows Worth It?

The Office of Energy Efficiency and Renewable Energy found that you can save money overall with energy-efficient windows as long as the windows are priced no more than $2 per square foot above less efficient models. The best available models can help you save up to $4 per square foot. So energy-efficient models are definitely worth considering if you’re in the market for new windows.

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