The energy efficient products eligible for the exemption are as follows:

air conditioners
ceiling fans
fluorescent light bulbs
clothes washers
dishwashers
windows (including skylights)
refrigerators
programmable thermostats
dehumidifiers
doors

The water efficient products eligible for the exemption are as follows:

bathroom sink faucets

faucet accessories (such as aerators)
showerheads
high-efficiency toilets
high-efficiency urinals
weather or sensor-based irrigation controllers

Georgia Department of Revenue