SHELBYVILLE, Ind. — Knauf Insulation and the Greenguard Environmental Institute announced that Knauf’s air-handling insulation products have been certified for superior indoor air quality (IAQ) ...

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 ...

While air conditioning protects people from dangerous heat, it also significantly worsens global warming—by 2050, potentially ...

The latest issue of Checkbook magazine shares 32 changes you can make around your home to help save energy. Because heating is by far the biggest energy eater for Twin Cities-area homes, typically ...