Q: Help! My home feels cold in the winter and too hot in the summer, and I think I need to add insulation. But how much insulation do I need? A: According to the Insulation Institute, around 90 ...

The right insulation will keep your home comfy and your energy costs low. Here’s how to calculate how much you need and what kind to buy. Adding insulation can be a low-cost way to cut energy bills.