Skylight heat loss / Green Building & Sustainable Home Renovation Information & Advice

...heat loss & heat gain): A large pane of glass in your roof is a significant thermal bridge, even more so if your roof is super insulated. In winter, traditional skylights in roofs can be a substantial source of heat loss that drives up heating bills. In summer, they can contribute to excessive solar heat gain, over...

...skylight or Velux roof window flashing - all part of why we don't like skylights much except in bedrooms in the eaves Skylights and energy efficiency: Any way you slice it, the deck is stacked against skylights in terms of their energy performance. They will add a little bit of heat on sunny days in winter (with the r...