Energy-efficient windows typically cost more than standard windows because of their higher level of energy performance. Prices vary greatly based on the number of windows required, size, type, material, warranty, quality of installation and manufacturer. Installing energy efficient windows can help to reduce energy costs and increase the resale value of your home. If you are installing new windows use our rebate search tool to check if there are rebates to help reduce your costs.

Did you see a building science or energy efficiency term you did not understand? Check out our glossary.