Diagram of an HVAC plenum showing mold growth points vs fogging reach

AC Plenum Mold: Why ‘Fogging’ the Ducts Fails

Fogging your AC ducts is a temporary fix. Learn why physical removal of mold from the plenum and coils is the only NADCA-approved solution.

Flex duct delamination collapsed liner

Why Your Attic AC Ducts Are Trapping Moisture — and Growing Mold

Flexible AC ducts in Houston attics are notorious for trapping humidity, sagging, and growing mold — often without any visible signs. Find out if yours are putting your home at risk.

Smoke in HVAC ductwork diagram

Smoke Smell in Ductwork: Why Your House Still Smells

Cleaned the walls but still smell smoke? It’s in the HVAC. Learn about soot encapsulation and duct sealing.

Smoke circulating in HVAC ductwork

Smoke Smell in Ductwork: Why Your House Still Smells After a Fire

Cleaned the walls but still smell smoke? It’s likely in your HVAC system. Learn about soot encapsulation and duct sealing.

PTAC unit mold contamination

PTAC Units & Microbial Growth: The Hidden Hotel Risk

Musty smell in the hotel room? PTAC units (wall ACs) are mold factories. Learn about condensate sludge and how we clean them.