Energy Efficiency Improvement Act of 2007

[AI summary unavailable — showing source text] Energy Efficiency Improvement Act of 2007 - Amends the Energy Policy and Conservation Act to revise provisions that set energy standards, including standards for specified appliances, boilers, motors, and external power supplies. Provides procedures to amend or make standards. Sets forth provisions concerning lighting efficiency. Amends the Energy Conservation and Production Act to require the Secretary of Energy to support updating national model building energy codes and standards and to establish standards for energy efficiency in manufactured housing. Authorizes: (1) funding for weatherization assistance for low-income persons for FY2008-FY2012; and (2) the Secretary to initiate an Alternative Delivery System Pilot Project to examine options for decreasing energy consumption associated with heating and cooling. Requires the Secretary to establish an Office of High-Performance Green Buildings (OHPGB) within the Office of Energy Efficiency and Renewable Energy and to appoint its Director. Includes as duties of the Director: (1) establishing green practices for federal facilities; (2) developing a strategy to reduce commercial building energy use; and (3) establishing a clearingho…