Why worry about mold, mildew and allergens infiltrating your home through your HVAC ducting? Thermaflex® offers you a worry-free solution with EverClean, a GREENGUARD-certified product whose antimicrobial properties prevent the growth of mold and mildew. EverClean also features energy efficient R-8 insulation for enhanced energy efficiency and noise reduction, giving your home peace and quiet – and peace of mind.