What are evaporative pads used in evaporative coolers?
An evaporative cooling pad is moistened and provides a large surface area for the evaporation of water into the air. These pads serve as the main medium for cooling the air and thus cooling the home.
picutre credit: google images
What are the desired features in evaporative cooling pads?
- Strong and self-supporting
- Long life time
- they must resist mildew and foul smells since water serves as an ideal breeding ground for mold.
What are the different types of pads one can choose from?
The following are some of the materials currently used to make evaporative pads
- Wood Wool
- Steel Pads
- Cellulose Pads – 5mm or 10mm
picture credit: alibabaSome alternate solutions include
- corrugated paper
- high density polythene
The Aspen wool wool cooling pads are made up of wood shavings and synthetic fibre and appearance resembling grass.