Air Combustion Ventilation For Heating Appliances All you need to know about a new balanced approach The Problem Vents need hoods to counteract draughts and rain ingress from head-on winds Conventional hoods increase draughts from common upward winds Subject to cross winds, conventional hoods significantly reduce Effective Area The Solution – ArrestAir-Pro ArrestAir-Pro is a combined … Continue reading Air Combustion Ventilation For Heating Appliances