How to Insulate Around Recessed LED Fixtures
Question: The recessed lights in my house are accessible from the attic, but there’s no insulation around them because it says on the fixtures that they need to vent the heat generated by incandescent bulbs. If I replace those bulbs with LEDs, will that reduce the heat enough so I can insulate around the existing lighting cans?—T. J. Guinta, Patchogue, NY Answer: While LEDs run much cooler than incandescents, their electronic components and external heat sinks do get quite hot; you would still need to keep the insulation away from your fixtures. And that leaves you with some serious problems.…