US consumers spend up to 10,000 times more per gallon for bottled water than for tap water.
Refrigerators account for 1/6 of a home’s energy use. Opening the door accounts for between $30 and $60 of a typical family’s electricity bill each year. Select energy-efficient models when buying replacements.
Many idle electronics—TVs, DVD players, stereos, microwaves—use energy even when switched off to keep display clocks lit and remote controls working. Switch off power strips and unplug electrical devices when you’re not using them.