 |
Energy and water
efficiencies |
 |
Geothermal heating that can
pay for itself over
time |
 |
Dual fuel heat pump
systems |
 |
Energy Star rated
appliances |
 |
Natural and low toxicity
materials |
 |
Recycled
materials |
 |
Carpet
recycling |
 |
Job-site recycling of
construction
materials |
 |
High-efficiency lighting
systems with advanced lighting
controls |
 |
Natural
drainage |
 |
Low-E windows |
 |
Extra insulated R50
ceilings (minimum) |
 |
Extra insulated R21 walls
(minimum) |
 |
Insulated
concrete form
construction |
 |
Radon venting |