Double check the efficiencies of your water heater, heat pump and furnace before they are installed. Ask your plumber and HVAC contractor for the model numbers of the units they are planning to install and check them in the Air-Conditioning, Heating, and Refrigeration Institute (AHRI) directory. This will ensure last minute equipment change outs will not affect the move-in date for families.
Water Heaters: 0.93 EF
Heat Pumps: 14 SEER, 8.2 HSPF
Furnace/AC: 90% Efficient/13 SEER
AHRI Directory: http://www.ahridirectory.org/
When entering the model numbers, only enter the first five or six letters/numbers and then scroll through the directory to find the appropriate model.