Evaporative cooling vents when not being used in winter can create significant heat loss in winter and increase heating costs. Blocking off these vents can significantly increase energy efficiency and reduce heating costs.The vent covers have a cord that hooks to the vent and is tightened and secured around a central disk – secures in seconds. The outer dimensions of the vent cover are 590 x 590mm. The inner dimension is 550 x 550mm.
- Prevents heat loss through evaporative cooler ceiling vents
- Saves in heating costs
- Energy efficient
- Installs in minutes
- Foam seal prevents drafts / secures to the ceiling without marking
- Re-usable every winter
