Whirlybirds are exhaust fans that circulate the air inside the room. They can operate completely free from electricity, using wind power. They’re commonly seen in both commercial and residential properties. If you need a unit, here are some things you should consider.

How does it work?

These exhaust fans operate, unlike other designs. They are installed directly on your roof, with a slot that helps catch the wind. When a breeze goes by, the fans circulate, sucking the hot air inside the premises. Because hot air naturally rises to the top of an enclosed space, the design makes cooling more efficient.

What do you need it for?

Homeowners usually get these installed to reduce their heating and cooling costs. If this is your purpose, it’s best to get more than one unit installed. They’re best installed in:

Kitchens – Kitchens are one of the hottest areas of the home. Cooking food can generate a lot of ambient heat, making the area uncomfortably hot. To add to this, cooking can generate a lot of smoke and odours. An exhaust fan can help get rid of any residual smells and smoke whilst simultaneously cooling the area.

Living room – Living rooms are where you go to relax, perhaps enjoy your favourite TV show. Most people spend a majority of their time at home in this room. This is why you want to make it a priority.

For commercial properties, deep fryers are commonly seen in the kitchen area, and having exhaust fans like this is an excellent addition, where temperatures can rise due to constant cooking. Furthermore, smoke can build up in the area. This makes the room uncomfortable for cooks and dishwashers. The smell could even seep through the dining area!

Kitchens need more than one unit installed. For medium sized restaurants, it’s best to have two to three exhaust fans installed right on top of your stove. This directly sucks the smoke whilst it’s being produced, keeping the room clean of odours. Furthermore, it prevents the area from heating up.

Author: Carrie Sze

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Clare Louise