The new Washington State Energy Code will be effective July 1st, 2010, and has significant changes you might want to be aware of. Here is a short list of some of the highlights:
General –
- The default tables have changed in regards to metal framed buildings.
- Default tables regarding glazing U-factors have changed.
- Expanded tables have been added to the default values.
Residential Code –
- Table 6-1 and 6-2 now applies only to single residences and not Multi-Family projects.
- Table 9-1, there is a new section in the code with energy credits.
Non-Residential Code –
- A new chapter 12 has been added regarding metering requirements.
- All new Climate Zone Tables have been created for both zones and this applies to residential and non-residential code.
- There are major changes in building commissioning compliance – including a checklist.
- There are major changes regarding economizer compliance.
- Chapter 14 equipment efficiency requirements have changed fairly significantly.
- Chapter 15 Lighting Power Density requirement have changed fairly significantly. Exterior lighting requirements have change significantly (this whole section has been mostly revised).
- Very major changes have been made in the building energy modeling for building base lines.