You've probably heard a ton of advice about home insulation over the years. Some of it's legit, some of it's questionable.

Through reverse engineering air handlers, David Monson of Armstrong Duct, Vent, Hearth and Home has developed a tried-and-true process for restoring everything from small to large air handlers. He ...

Spray foam insulation replaces the pink fiberglass insulation that has filled most standard wall cavities over the past half-century. (Katherine Frey/The Washington Post) Analysis by Stephanie Brick ...

The Energy Efficient Home Improvement Credit saved households in Pa., Del. and N.J. more than $200 million in a recent tax year.

The efficiency of a duct system can affect the efficiency of the heating-cooling equipment. The majority of homes today are heated with furnaces (gas, oil, or electric) and cooled with an air ...