The diy experts at stack exchange tell you how.
How to seal your doors and windows.
Check the caulk on the outside window frame and the glazing around all of the panes.
To find air leaks around your doors and windows go around your home looking for damaged caulk and weatherstripping.
Exterior caulk can dry out in the heat of summer and cause gaps and cracks which let air and water into your home.
Insulate and seal around your windows.
Re caulk your windows doors.
Studies have shown that adding storm windows is a very cost effective way to reduce energy bills.
Over time the caulking on windows degrades and may wear or peel away.
Than you can with just caulk.
Each fall buy a tube or two of exterior caulking and make your rounds on outside of your home.
If you re willing to remove either your exterior or interior window trim you can do a much better job of sealing window and door leaks permanently.
Puddling water at this location causes many window leaks.
Window door seals.
Unfortunately you can t add storm windows to casement or awning style windows.
Take special care to seal the top side of the top piece of trim.
Air sealing windows doors.
Use an incense stick or a thin piece of toilet paper to help you identify leaks around your window and door frames.
Even when properly applied caulk and weatherstripping only lasts a couple of years.
There are various easy ways you can seal tight your leaky windows and doors.
Window glazing needs to be replaced periodically as the putty ages its seal along the glass loosens.