Originally Posted by
Mike O'Melia
I've gone back and studied Jack's calculator. Entered precise room measurements and the lumen ratings for the bulbs. I know, I estimated room size from memory and had it wrong. Never the less, the one variable that is totally subjective is the 50 or 100 factor based on age. I have one fixture up, and it's bright! If I add 3 more, I'm right in the ballpark using the 50 factor. I can't begin to believe I'd need much more than that. (room is 24x20, lumens = 2800, and I use a little over half that space since my wife parks her car in the garage.)
So, what's the lesson? Use the calculator to get an estimate started. Put up one fixture and judge for yourself whether u should go with 50 or 100. Regardless, it's a good indicator of what u will need within a factor of two.
Mike