exterior doors

An exterior door can contribute significantly to air leakage in a home – as well as some heat transfer – if it's old, not properly installed, and/or not properly air sealed. This can result in energy losses.


energy efficient external door


See the following pages for more information:


  • Selecting new exterior doors
  • Installing new exterior doors
  • Adding storm doors to existing doors
  • Weatherstripping existing doors to prevent air leakage