Neat hack, but here is a timer for hot water heaters on Amazon: http://www.amazon.com/Intermatic-WH21-Electric-Water-Heater/dp/B00002N5FP/ http://www.amazon.com

Neat hack, but here is a timer for hot water heaters on Amazon: http://www.amazon.com/Intermatic-WH21-Electric-Water-Heater/dp/B00002N5FP/ http://www.amazon.com/Intermatic-WH21-Electric-Water-Heater/... Anyone considering this should also invest in some insulation as others have said.