Home performance extensible markup language (HPXML) is a national Building Performance Institute Data Dictionary and Standard Transfer Protocol created to reduce transactional costs associated with exchanging information between market actors. This website provides resources to help stakeholders implement HPXML and stay updated on its development.

A calculator that converts greenhouse gas emissions into everyday equivalencies. It can be used to help clearly communicate information about energy savings initiatives aimed at reducing greenhouse gas emissions.

The Small Town Energy Program (STEP) toolkit gives a complete overview of STEP from planning to implementation. It also includes access to a wide variety of materials developed by the program, including: local asset materials, partner materials, personnel materials, program administrative materials, outreach materials, and surveys. STEP has posted these toolkit documents with the hope that it will assist other small towns and communities in building and running more energy efficiency programs.