Q: Our home is 35-40 years old. The blown-in insulation in the attic has settled in most places to about an inch below the rafters. Should we, 1. Have more blown in? 2. Remove the old insulation first ...

Annual energy bills go up, and most of the cost literally escapes through walls, windows, and spaces you can’t even see.

There are four main types of insulation: batt, blown-in (loose fill), rigid board and spray foam. Each has its advantages and limitations, but under the right circumstances, each can meet a ...

Q–I would like to add additional fiberglass insulation in my attic. I can install batt insulation myself. Blown-in fiberglass appears to require professional equipment. Which type offers better ...

Q: We are adding a room to our house with 2-by-4 studded walls. What type of insulation should we use in the walls? We are also considering increasing the insulation in our existing house. A: There ...