Should I do draughts, walls or double glazing first?
Draughts first, then ceiling and underfloor, then walls, then glazing.
Sealing gaps around doors, windows and floors is cheap and quick. Ceiling and underfloor come next; most Kiwi homes have them done. Then the walls: most homes have about three times more wall area than glass, and in a pre-1980s house the walls are usually the largest uninsulated surface left. Double glazing comes last, because it’s the most expensive surface to tackle for the smallest gain, and you can cover a window with curtains. You can’t cover a wall.
Read more: Why your power bill’s still climbing and what you can do about it · A warmer home, one step at a time · How much heat is lost through the walls of my home?
Draughts first, then ceiling and underfloor, then walls, then glazing.
Sealing gaps around doors, windows and floors is cheap and quick. Ceiling and underfloor come next; most Kiwi homes have them done. Then the walls: most homes have about three times more wall area than glass, and in a pre-1980s house the walls are usually the largest uninsulated surface left. Double glazing comes last, because it’s the most expensive surface to tackle for the smallest gain, and you can cover a window with curtains. You can’t cover a wall.
Read more: Why your power bill’s still climbing and what you can do about it · A warmer home, one step at a time · How much heat is lost through the walls of my home?