Ask any bug: There's no place like a warm crawl space to spend the cold winter months. Why huddle beneath some freezing leaf when you can snuggle under a house that a human pays to heat? Of course, ...

A common idea promoted across the industry is that any heat lost from an uninsulated duct system to a conditioned space isn’t truly lost and has no effect on energy consumption. Most contractors would ...

Airflow velocity in a residential HVAC market duct system is an important design consideration. Although designing for proper velocity applies to all ducted HVAC construction systems — heat pumps, air ...

Q I live in a home that was built with transite heating (heating and air conditioning ducts under the poured concrete floor in the basement). We've had continuing problems with water infiltration.