Four Seasons even turn heat recovery ventilation equipment even turn mode

Author
동아전람
Date
2015-02-02 18:01
Views
688
Electric switching mode: Room heating and ventilation and when (summer, winter) saving energy efficiency
Circuitous pattern: in the device through a separate passage of air and exhaust air to air heat exchange does not,
Ventilation and intermediate period (spring, fall) outside the air-cooled rooms have effect