How much heat your doors can retain and how much cold they let in through gaps between the door and the frame or sill will determine how energy efficient they are. There are a number of accessories, like weather strips and seals which can plug up gaps that are apparent when the door is closed - all of which can significantly contribute to your home’s efficiency. The materials your doors are made out of will also make a big difference in heat transfer through the doors themselves.
See how draught excluders, weather strips and door sweeps can be fitted (or retrofitted) to doors in order to help improve the energy efficiency of your home.
Doors and door frames, if they're the wrong type, can easily let more heat in and out of your home than you might like. Find out what to consider when selecting external doors and frames for your home.
The outside edges of an exterior door in particular can make a significant contribution to your home's overall energy efficiency. See how draught stoppers, weather strips and sweeps can make a difference.