Research Focus Areas
Buildings End-Use Energy Efficiency Codes and Standards
Research from the PIER program supports California's Title 24 Building Efficiency Standards and Title 20 Appliance Efficiency Regulations. For example, PIER research led to state of the art fault detection and diagnostic procedures for heating, ventilation and air conditioning systems that are now required under the Title 24 Standards and are resulting in energy savings of up to 10 percent in each unit being commissioned using the procedures.
Other examples of energy efficiency measures in the Title 24 Building Efficiency Standards that resulted from PIER research include:
- Light Emitting Diode (LED) exterior lighting.
- LED night lighting in hotel bathrooms.
- Load-shedding fluorescent ballasts.
- Cool roofs for residential buildings.
- Integrated classroom lighting system design.
- Measures to improve indoor air quality and ventilation efficiency.
- Duct-sealing measures to reduce energy losses.
PIER research on more energy efficient external power supplies for a wide range of consumer electronic devices led to their incorporation into the Title 20 Appliance Efficiency Regulations which in turn supported incorporation of specifications into federal product standards that took effect in 2008. Research on television energy use resulted in the state standard to take effect in 2011.
For more information on codes and standards development: