They're getting so hot I can only think about how much energy I'm wasting on the heat rising in the fan. They are also not very impact resistant. My other complaint is the style of the light. These are fully directional lights and for some reason a previous homeowner installed them in the kitchen. These are really theatrical spotlights, which is why my kitchen has 3 zones of light with jet blacks in between. If you use them in a lamp, you heat up your ceiling and pay for it. If you're using them in a fan, you're probably not in a room that needs spot lighting. If you have a hall of haunted portraits, I think installing them from below will work.
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