1. Poured Concrete or SIP Walls
2. Poured Concrete, SIP or Foam Sealed Roof
3. Passive Solar Water Heating
4. Water Cooled High Efficiency Air Conditioning
5. Low-E / Impact Windows
6. Energy Efficient Lighting

Applying these 6 systems to a building design will reduce energy consumption by 60 to 75 percent. Additional cost is zero to five percent, creating a lower monthly cost of ownership and a more secure, valuable building.