If you are someone who is big on water conservation, then you probably know that you should water your lawn and garden in the morning or in the evening. This prevents all that precious freshwater from evaporating and allows your plants to get the biggest drink with the least waste.
If you're worried about saving water, then you are probably interested in saving energy as well. The same morning-evening principles that apply to the lawn can also apply to energy consumption. Appliances that generate a great deal of heat, such as the clothes dryer or the dishwasher, can reduce your energy efficiency during the hot months, because the air conditioner has to compensate for all that machine-generated heat.
You can give your overworked air conditioner a break by washing your dishes and doing your laundry in the morning or the evening. You'll save energy, have a more comfortable house and reduce carbon emissions.