Bathroom ventilating fans

Several bathroom ventilating fans are useful to remove stale air and dampness from bathroom/ house. They ensure healthy atmosphere and protects contents of the house too. Such fans protect us in fighting against various diseases like asthma, allergies, headaches and other respiratory problems. Here are given some ventilating fans.

• Inline exhaust fans can be fixed in bathroom between ducting if there is no area for ventilating system in the house.
• Wall mounted exhaust fans are installed on exterior walls of bathroom and removes damp air outside bathroom or house.
• Exterior mounted exhaust fans are fixed outside the house and draws musty air and noise outside the house.
• Ceiling mounted exhaust fans are fitted into ceiling and have external vents outside to get rid of musty air from bathroom.

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Ventilation Guidelines While Designing Building

•Construct building at 90 degrees angle to the direction of wind. Enjoy maximum wind by constructing building ranging from 0 degree to 30 degrees.
•Take solar heat while constructing the building in case the wind prevails in the East and the West.
•Provide low level windows in the direction of wind flow. Also keep the position of windows according to the components of building.
•Arrange openings of windows in such a way that they provide maximum light in occupancy area.

•Locate outlet openings at high level in opposite direction of wind flow. Keep inlet and outlet area at equal level to get maximum air flow.
•Keep the height of window sill 2’ to 2-1/2 ‘from floor level to get maximum natural air. The height of sill should be 1’-1/2’ from floor level in buildings where persons are working or sitting on the floor.
•Keep opening 

area 20 to 30% of floor area. The area of opening should be 30 to 50 % of floor area where the wind is quite constant.
•Provide open space around the house to get maximum natural air and light where the flow of wind low.
•Fix two windows instead of single one in the room which has only exposed wall.

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