The barrier separating the home's interior space from the exterior is known as a home envelope. If there is a leak in this envelope, it can cause your home to be less comfortable, dry and efficient. Check out our list of ways you can test your home's air-tightness and how you can address pesky leaks.

Your air ducts can silently sap your home of energy. If your air ducts aren't properly sealed or insulated, they can waste energy by leaking conditioned air or "back draft" unsafe gases into your home. Find out ways you can identify leaky ducts and how to fix them in this article.

Much like going to the doctor for a regular physical, our homes need a check-up now and again to ensure peak performance. A home energy audit can do just that by assessing your home's efficiency at multiple levels. Learn more about home energy efficiency audits and see if your house needs one.

Want to learn how valuable your home's insulation is? Check out our latest article covering the basics of home insulation, how much insulation your home needs, different types of insulation and how to properly insulate your home.

If you're putting in new insulation, you have more options than ever. However, you shouldn't let the number of choices overwhelm you. Our guide compares different types of insulation to help you determine which will be best for the job.

Follow these nine tips so you can breathe easy.