Duct branch runs often include dampers—movable flaps inside that manually or automatically regulate airflow to different rooms. Like traffic signals, ... Calling a professional service like Pure Air ...

The blade closes off tightly against the gasket for minimal leakage. Features include a single-blade damper, adjustable damper position range stops, and male (crimped) and female (uncrimped) ends to ...

HVAC professionals can upgrade to the AirWatch Pro offering advanced controls for fresh air dampers, power exhaust, and demand control ventilation. AirWatch is a low cost and easy to install CO2 and ...