- Passive Solar Design
- Landscaping for Energy Conservation
- Radiant Barrier
- Ridge-and-Soffit Venting
- Earth Sheltered Design
- Solar Hot Water, Heating and Cooling Systems
- Photovoltaic Systems
- Gas Water Heating Systems
- Ductwork
- Fans
- Energy Recovery Ventilator
- Programmable Thermostat
- Energy Efficient Appliances
- Lighting
- Electro-Magnetic Fields
- Ground Source Heat Exchange