Sue the cheapes and easiest way to get around your problem is to get one of the flouresent bulbs designed to replace an incandesent bulb. It screws into the same socket and produces less heat there fore you can go to a higher wattage I have done the same thing in my moms house all the 60 watt fixtures now have flouesent bulbs in them. A secondary advantage is less energy required to run them and they last longer. they do however cost more to buy, but it's still cheaper and easier than replacing or adding a fixture.