Recessed Lighting in Older Homes-The Issues and the Fixes

The post originally appeared on the Green Building Advisor Website.  

Recently, I’ve been on a few energy audits and assessments where the homes were built or remodeled in the late 1990’s and early 2000’s.  Electricians working in those times were installing the traditional recessed light fixtures, also known as recessed cans or pot lights.  This type of lighting fixture usually doesn’t have any issues when installed inside the air and thermal boundaries of the building envelope but can be very problematic when they end up displacing insulation and interrupting the continuity of the air control layer.  I’m going to discuss the pros and cons of this type of lighting as well as how we can improve the performance of a home that has existing recessed cans.

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