This calendar provides Energize Connecticut's participating contractors with information on upcoming energy efficiency and renewable energy, classes, seminars and conferences.

This calendar provides Illinois Home Performance's participating contractors with information on upcoming residential energy efficiency trainings or events on topics such as HVAC quality installation and an introduction to building science.

This free hotline is provided by Illinois Home Performance to help homeowners and energy professionals find quick answers to building science questions.

The AZ Home Performance with ENERGY STAR program (AZHPwES) requires that participating contractors demonstrate a high level of building science knowledge and maintain the highest standards of technical performance and customer service as described in the contractor requirements.