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Can lights (or recessed lights) became so popular in recent years that many new homes these days are built with them, so they are already installed when the homeowners move in.
Compared to other common overhead features, can lights are easier to clean and maintain, and the light output helps divide the space, define task areas, and highlight artwork and architectural features. They are also especially valuable in low ceiling areas.
For all the reasons above, new and newly remodeled homes tend to have this type of feature in at least some of the rooms. Some have them all through the house.
There is only one problem concerning can lights: they can be a huge source of energy loss year round!
Older fixtures -- especially those installed before 2004 -- were built with little to no regard to energy efficiency, and have plenty of holes and gaps to allow conditioned air from the living space to escape into the attic.
How much energy can you lose? Using high-tech home energy diagnostic equipment and procedures, such as a blower door test and thermal imaging camera, Larry Janesky, owner and founder of Dr. Energy Saver, demonstrates just how much energy is lost through the gaps left in and around can lights.
He also demonstrates how to simply and quickly stop air leakages through can lights using covers specifically designed for this purpose. There are many different types of can light covers, and in some cases, an energy conservation expert can even build a custom cover, using fire-retardant materials. In this particular home, a rockwool cover was used, and spray foam insulation was applied to seal air leakages and secure it in place.
If you suspect energy waste through canned lights or any other area or fixture of your home, call Dr. Energy Saver for a complete home energy evaluation and let us help create an energy-efficient home that is at the same time comfortable and affordable to own.
For more tips on how to save money and energy at home, visit our website or watch other episodes of Dr. Energy Saver's "On The Job" videos!