Fiberglass insulation is not airtight. Heck, it will barely even slow air propelled by convection, differential pressure or wind. It is especially helpless against air moving through a leaky pipe ...

A homeowner might be looking to improve the house’s energy efficiency by installing additional blown-in wool into an attic, for example. But caution should be taken around insulated flexible ducts so ...

Q: I just discovered that the air ducts in my concrete slab have problems. An odor alerted me to standing water, debris and even a dead animal in the ducts below my floor. I have galvanized air ducts ...

Many in our industry believe the duct material used in an installation determines how well the HVAC system moves air. Because of this mentality, flexible duct often gets a bad name. The issue isn’t ...