Due to scarcity of land, there is less availability of space for proper ventilation and lighting around the house. The size of residential plot has become very small due to high cost of the land. Sometimes, for safety reasons, the house owner wants minimum window opening into the wall. In such circumstances fixing windows for skylight in the roof is the best solution to provide natural air and light into the house and reduce electricity bills.

Residential skylight is a good way to reduce darkness in the house and provide healthy atmosphere for human beings living in the house.
These lights are installed into the roof according to requirement and also according to the space and size available at roof of the house. While fixing or installing these windows Care should be taken that proper sealing is made to prevent leakage through windows at the time of rains. Sometimes roof windows known as roof lights or skylight are opening in the roof fixed with glass.
Types of Skylights
There are different types of skylight windows which differ in shapes and styles. Most common windows used in residential houses are flat type skylight windows or more elaborate structures such as lanterns, barrel lights or dome lights. They are usually rectangular, square, round or elliptical in shape. There are two types of skylight windows i.e. one is fixed type window while the other can be opened; which can be opened and fresh light can be taken. Often roof windows are used to convert storage loft into habitable room. The windows typically have pivot opening and may be fitted with blind.

Skylight in Kitchen
(This Picture is Contributed by "Arun")
Design of Skylight
Skylight window is generally big size windows, fixed into loft space or in similar place. When good light is required into the house or one wants effective light during reading and writing, skylight window provides more effective natural light. Sky light windows are popular for attic space which is converted into small bedroom. Due to natural light the area looks larger than it is actually. In these types of roof vent skylight there is a handle that allows the glass to be tilted at any angles as required. If the length of handle is increased, one need not use ladder for opening the glass and can operate easily from the floor.
View pictures of Skylight designs
Uses of Skylight
One can expand indoor area and convert it into beautiful living area with fresh air and light by providing skylight window in the roof. These skylights can be designed according to the requirement of ventilation, for intake of fresh air and removal of stale air.
The skylight provides proper ventilation to attic and mezzanine floor. The skylight roof window may be top hinged and can be opened to obtain maximum ventilation. Unused space can be converted into usable space by providing balcony roof window which provides daylight and fresh air. Top hinged windows are easy in cleaning and have option to fix with sun screening for superior energy efficiency.

Skylight
(This Picture is Contributed by "Arun")
In addition to ventilation skylight windows are excellently used for emergency escape in case of fire or any other emergency. In skylight window an insect screen should be fixed to save the people living in the house from insect. Last but not the least, skylight window make look of your house great.
Thus roof skylight is an economical way to provide natural light in the house without any expenditure on electricity. In modern system you may operate roof skylight by electronically i.e. they can be operated using button for closure or opening. The glass of skylight must be cleaned during wet weather otherwise rain water will enter the house.
Note: Contact professional and good contractor for installation of roof skylight window because careless installation can create leakage problem which will be faced by house owner.