Home Design Guides: Doors, Climate control

Doors and windows are easily the weakest links in your home when it comes to passive design. Find out how you can control heat gain, heat loss and air infiltration through and around doors and windows.

Not all doors are created equal - some will allow lots heat in or out of your home through the body of the door, and allow air to pass around the edges. Find out what makes for a well-insulated door.