· ENERGY STAR qualified clothes washers, room air conditioners, dishwashers, and standard size refrigerators
· Fuel cells
· Energy-efficient gas heat pumps
· Energy-efficient electric heat pump hot water heaters
· Energy-efficient electric heat pumps
· Energy-efficient central air conditioners
· Energy-efficient gas or oil water heaters
· Energy-efficient oil-fired boilers
· Energy-efficient oil-fired furnaces
· Programmable thermostats