Heating and Insulation Guides
U-Values Explained for Homeowners
A U-value shows how much heat escapes through each square metre of wall, roof, floor or window, and lower numbers mean a warmer, cheaper home.
7 min read
Guide category
Radiator sizing, heat pumps, Delta T and insulation explained.
A U-value shows how much heat escapes through each square metre of wall, roof, floor or window, and lower numbers mean a warmer, cheaper home.
7 min read
Delta T is the gap between average radiator water temperature and room temperature, and it decides how much heat your radiators really give out.
7 min read
Heat pump sizing matches output to your home's heat loss on a cold day. Learn how MCS installers calculate it and how to check…
8 min read
Work out the radiator output each room needs in watts and BTU, adjust for your boiler or heat pump water temperature, and avoid the…
9 min read