- ENERGY STAR modular homes ordered from a modular builder or homebuyer between October 1, 2011, and June 30, 2012, must comply with Version 2.5. The v2.5 guidelines can be found at ENERGY STAR'S website: www.energystar.gov. Homes with sales orders placed prior to October 1, 2011 can still comply with Version 2.
- Modular homes with an order date on or after July 1, 2012 must comply with ENERGY STAR Version 3 guidelines.
- The technical requirements of v3 are established by the U.S. EPA and can be found on the EPA website: www.energystar.gov.
The dates for implementation for manufactured homes have not been finalized.
