Use the calculator below to determine a MINIMUM PRICE you can expect to pay for a BASIC WINDOW and INSTALLATION. To use the calculator, simply select the window STYLE and enter the QUANTITY of each. On the right hand side you will see your estimated MINIMUM MARKET PRICE. ​ The price listed DOES NOT represent any additional savings or discounts from any applicable promotions. It is a basic price only. The price given is for AVERAGE window sizes (up to 40" wide and up to 60" in height). Any sizes exceeding the average are considered CUSTOM and are not represented here.