Whether you are thinking about insulating your home, installing a low carbon heating system, or just wondering how to make your home more comfortable or cheaper to heat, this is the introduction you need.

Confused by talk of U-values and ‘breathability’ in buildings? Keen to understand how you can improve and insulate your home to make it warmer, whilst avoiding unintended consequences? Want to know enough to avoid being bamboozled, but don’t want to become a specialist? Then this unit is for you!