The Construction Specifications Institute (CSI) of Maine will host its High-Performance Building Conference at Holiday Inn By the Bay in Portland on March 15. Speakers include Chris Mathis, president of Mathis Consulting. He will speak on the importance of the building envelope and the future of building performance. Other topics include window selection, moisture and concrete, subcontractor responsibilities, and best design practices. More than 30 exhibitors will also be available to talk about design- and construction-related products and services. Registration, $100/more information available at csimaine.eventbrite.com.