Folks, if your house was built in the 80s or so, your kitchen can lights are likely not insulated and not sealed. In the winter, cold air falls from your unheated attic. COSTCO has led replacements that seal off the cans, provide lots (!) of light and use just a little energy. They sell this two-pack for under $20. Very easy to install. They can be dimmed with a dimmer switch if you find them too bright. Check them out while still in stock at our local COSTCO stores.