Roof Hot Air Extractors

Since hot air rises to the ceiling or the highest point of a structure it makes sense that having exhaust fans mounted on the roof will work best.

Roof hot air extractors.

Filtered supply ventilators help supply filtered make up air in commercial or institutional buildings. These fans sit in a gable end or in the sloping part of the roof. 230 415 v ac 50 hz. Some models feature a hinged hood to ease access to motor and drives for maintenance.

We can t stress this enough. Roof ventilators are designed to help exhaust contaminated air from kitchen range hoods up and away from the roof. And don t settle for a whirlybird ventilator as they only help extract minimal amounts of air. In commercial buildings such as factories and workshops the warm air generated by machinery and workers rises into the roof space where it is trapped.

As the air only has one path to escape from the room the warm air will be drawn to the top of the ceiling where you roof vent is placed and then from there through the roof space and finally drawn out through the fan. A roof ventilator is perhaps the most crucial step in keeping your home cool. Start in the attic and drill a hole through the roof in the desired vent location. A low profile static roof ventilator that allows nominal ventilation of hot or moist air from the roof space without the need of wind or power assistance.

300 to 1200 mm. The roof or rooftop exhaust fan is the most efficient way to rid a building or facility of overheated air issues. 1300 to 60000 cmh. We supply roof extractor fans to several industries where they solve the problem of ventilation removal of hot spots etc.

From up on the roof use a jigsaw or reciprocating saw to cut a 4 in. Even on scorching summer days the air outside your house is nowhere near as hot as the air trapped inside the attic. Roof extractor fans are specially designed and manufactured for ventilation purpose. Simply having eave vents or roof vents isn t enough to cool your roof.

In turn this superheated air heats both the structure of the building and the cooler air below. The roof top extractor attracts fresh air from every side and direction of roof and channelizes it move towards the center. Try to keep it close to the fan location. Using extractor fans to remove hot air from roof spaces warm air rises because it is lighter than cool air.

The second step you need to take is to install a number of vents into your ceiling to allow the air to be extracted out of your upstairs rooms and through the roof space cavity by your new solar roof ventilation unit. If you can t move heat out of your roof it won t go anywhere. Leave the drill bit sticking through the roof so you can find the hole. The sun heats the air in the roof space to over 60c 140f.