Time is money.

"Steve put weatherstripping on our windows and doors, and I could feel the difference immediately.  My home was more comfortable, and I needed to use the heater less."  -Berkeley, CA

"The crew sealed several cracks, tightened our windows, and replaced our light bulbs.  This winter's heating bills were half of last year's."  -New Haven, CT

The Hidden Cost of Home Energy Use: hes.lbl.gov/hes/quicklook.shtml

The Profitability of Energy Efficiency Upgrades: http://hes.lbl.gov/hes/profitable_dat.html