The attic access door can also be a source of excessive heat loss. Installing proper weatherstripping and a locking mechanism will help reduce heat loss.
The attic is a vital part of your home that requires proper ventilation. The recommended
R-
Spaces around recessed lighting fixtures in ceilings that can be a source of air loss must be sealed. Stained insulation or frost in the winter are sure signs of hot air leaks in the attic.
Air can escape through electrical wall outlets, which must be properly sealed by
installing CSA-
Replace the clothes dryer air outlet with an energy efficient outlet system, and seal the outlet hose with polyurethane and the frame with acrylic latex.
An uninsulated end joist will make the basement and ground floor much colder. Joists
must be insulated to an R-
Basements represent 20 to 35% of all heat loss in a home, due to their large, uninsulated surface above and below ground level. Contrary to popular belief, earth has very poor insulation properties. Thus, the foundation must be insulated against heat loss.