Windows and Doors

Many of us are used to considering windows and doors as significant sources of draughts (and heat loss) in our buildings. The type of windows and doors and the way they are installed can have a massive impact on the amount of heat loss.

This document looks at the different types of windows and doors available and the relative impact of each on the energy efficiency of your building. It also looks at points that need to be considered during installation.

Learner Level: Technical