how much do storm windows save
This coating improves the windowâs insulation ability, in turn lowering your heating and cooling costs. On average, low-e storm windows can save you 12%â33% in heating and cooling costs. This equates to $120â$330 in annual savings, assuming a $1,000 annual heating/cooling bill..) Reposition the storm window into the opening. Ensure the top of the storm window is pushed up snugly into the very top of the opening. 5.) Secure the storm window to the window frame. Using your screwdriver and the screws, temporarily secure the top corners of the window.