We may receive a commission on purchases made from links. A window air conditioner can be a lifesaver in a heatwave, but how do you install one in a horizontal sliding window? Most window air ...

A necessary part of defending your home against air infiltration is with a combination storm window that keeps warm air inside in the winter and has screens to open the window to fresh air in the ...

Dear Jim: I think exterior storm windows would be good, but they are expensive. Will they improve window efficiency much? What is a low-cost simple design I can make myself? – Dennis F. Dear Dennis: ...

Q. I think exterior storm windows would be good, but they are expensive. Will they improve window efficiency much? What is a low-cost simple design I can make myself? A. Installing exterior storm ...