Energy Efficiency Skylights

The energy star label is the simplest and fastest way for a consumer to ensure product performance for their region of the country.

Energy efficiency skylights.

It s a good idea to understand the energy performance ratings of skylights so you can select your skylight based on the local climate and your home s design. For labeling energy efficient skylights energy star has established minimum energy performance rating criteria by climate based on more detailed ratings from the national fenestration rating council nfrc. Velux skylights bring energy efficiency to your home. Consistent air circulation decreases the likelihood of condensation buildup.

Ensuring they are as energy efficient as possible can save energy. Energy efficient skylight solutions. Skylights can make a major contribution to energy efficiency and comfort and can be installed in both existing and new homes. Reduce heating cooling and lighting costs.

Most of the energy efficiency that you get from a skylight comes from the glazing but to really understand the total efficiency of a skylight you must test the skylight as a whole. Solar heat gain coefficient shgc is the fraction of solar radiation admitted through a window door or skylight either transmitted directly and or absorbed and subsequently released as heat inside a home. January 1 2015 the current criteria were finalized in january 2014. Current specification effective date.

Tightly sealed joints reduce the presence of moisture. And they even reduce some of the need for artificial lighting which adds up to a small savings on your energy bill. Match skylights to room size for greater light and energy efficiency. They can admit more than three times as much light as a vertical window of the same size distributing it evenly saving energy and improving your visual comfort levels.

New performance levels pdf 238 86 kb are effective as of january 1 2016 including northern zone prescriptive and equivalent energy performance criteria for windows doors and skylights in all climate zones. Windows doors and skylights must meet u factor and where applicable solar. Skylights may be curb or flush mounted depending on slope and roofing materials. They are an excellent source of natural light.

The lower the u factor the more energy efficient the window door or skylight. Windows doors and skylights also known as fenestration are significant components in a home s envelope. Energy efficient skylights skylights are some of the hardest working windows around. Skylights and tdd s receive a different rating than windows and doors.

At velux we improve the energy performance of our skylights with each new model so even if you have an older velux skylight that works fine it is often worth. American skylights always strives to bring you the most energy efficient products available in the market. If a new roof isn t in your near future consider replacing an older skylight to improve the energy efficiency of your home. Flashing may be required for some skylights or roof windows.