Heat Pumps Provide higher or lower savings than water heaters?
Leaking faucets can increase your energy costs (T/F)
Insulating the cold water pipes will save a lot of E
Insulating hot water pipes saves E
Refrigerators are ______ _______
Horizontal axis (front loading) washing machines are more effiencent than
top loading machines
What kind of label do highly energy efficient appliances have?
Energy Star Label
Water heaters are set to _____ degrees F
A water heater heats 151 gal of water from 54oF to 137oF every day. What is the annual energy requirement of the water heater
Annual energy requirement = 151 (137 - 54) 8.3 * 365 = 37968723.5 BTUs. Note: 1 gal of water weighs 8.3 lbs.
An old refrigerator consumes 250 W of power. Assuming that the refrigerator operates for 18 hours everyday, what is the annual operating cost of the refrigerator, if the cost of electricity is $0.06 per kWh?