AT501 systems are direct interface between the inside air and the outside air, installed in a sleeve that passes through the wall. AT501 systems work in pairs : units are wired together to ensure the house is not pressurized or depressurized, one blows in while
the other blows out; then after about a minute, they both reverse directions.
STANDARD FEATURES:
1)Supply Air or suck bad air out.
2)Heat Recovery, Low Power Consumption.
3)EC energy saving motor, 3 Modes Operation.
4)Removes damp and odour from home.
5)Low Noise operating, enjoy great sleeping.