Q: My question is about foam insulation. I went to a meeting about insulating attics, and the speaker said that you could seal up the entire attic with foam with no ill effects. He would spray the ...

This regularly-scheduled sponsored column is written by the Arlington Initiative to Rethink Energy team (AIRE). This county program helps you make smart energy decisions that save you money and leaves ...

Q. We're going to add more insulation to our attic this fall. How much do we need? And you've written a few times about warm air from the house getting into the attic. But, looking at the ceilings in ...

Air sealing isn’t duct sealing. And it isn’t insulation. It’s the process of controlling the flow of air by sealing off openings in the house, such as gaps and cracks, so that bad particles stay ...

I’ve heard that one big hot air leak point is the attic opening in the house. How important is it if it’s not insulated? How much warmth is lost to the attic in the winter, and how much is it costing ...

Dear Jim: I just moved into a new house and I went up into the attic to store some holiday decorations. There was no insulation on the cover or seals around it. Shouldn't the cover be insulated and ...

Summer can be difficult, but if you have an air conditioner, blasting it will get you the much-needed relief. The issue is that running an air conditioner can be expensive. Nobody likes a sky-high ...

Fiberglass insulation is not airtight. Heck, it will barely even slow air propelled by convection, differential pressure or wind. It is especially helpless against air moving through a leaky pipe ...

Q: My question is about foam insulation. I went to a meeting about insulating attics, and the speaker said that you could seal up the entire attic with foam with no ill effects. He would spray the ...