Annual energy bills go up, and most of the cost literally escapes through walls, windows, and spaces you can’t even see. Cheap insulation isn’t cheap — it makes homes uncomfortable, with cold air in ...

Dear Jim: I use the attic floor for storage. When I recently went up there, I noticed there is no insulation or weatherstripping on the cover to the attic. Will I save enough energy to make it ...

Dear Jim: I just stored the Christmas tree up in the attic. There is no insulation on the access door in the ceiling, nor did it seal well. Is much energy lost through there and what can I do about it ...

At this time of year we need to talk about basic house insulation. Although it has been a nice summer, it won’t be long until we will be using our furnaces regularly. How do you keep the heat inside ...

Q: I am building a new home with 2-by-6 exterior walls. Beams have to be installed over the top of all windows and doors. What is a good way to insulate these, as the solid wood creating the beam ...

When that first real cold snap hits, it’s not your thermostat that’s going to betray you—it’s your insulation. You’ll feel it ...

Q: My single-level, end-unit condominium, built in the early 1980s, is always cold, despite the fact that the outside walls are insulated and the windows are double glazed. I have a gas furnace in the ...

Q–A sweating wall problem really has us stumped. Last fall, we moved into our 4-year-old split-level home, which has a cathedral ceiling in the living and dining areas. During the very cold winter ...

Q. This week: I know our attic fan wastes energy because I can stand under it in the winter and feel cold. The louvers underneath the fan don't fit all that tightly, and if we don't get up in the ...