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 ...

Sealing up leaks, installing a waterproof slab in the cellar, and going solar are some of the things Brooklynites are doing to green their homes.

What if you had only $100 to invest in a cheaper, cleaner home? Or $10? Or even just $1? The conversation about cutting your emissions is often about replacing big-ticket items like stoves, furnaces ...