I think tumbler dryers are very costly and for what to dry your clothes just a bit quicker. I recently found a electric clothes horse which is very energy efficient, at the same power as using a standard light bulb! Now thats really efficient!
Another wonderful Green tip I saw was on
Groupon, it is great for those who don't like doing the cleaning or are too busy to. These cleaners come to your house and use enviormentally friendly cleaning products!