A series of guides written by leading building organizations to advance energy efficiency are positively impacting the building industry, according to a new assessment commissioned by ASHRAE. The market assessment found that more than 70% of ASHRAE members who have used the guides view them as credible and useful design resources, and that the recommendations by climate zone and how-to tips are particularly helpful. The guides are available as free downloads at www.ashrae.org/freeaedg.