Energy Impact and the Chicago Conservation Corps are hosting a free home energy and weatherization workshop from 6-7 p.m. Thursday at the Center for Neighborhood Technology, 1741 N. Western Ave. 

During the class, attendees will learn "easy low-cost steps to reduce energy costs and improve comfort," and receive information on rebates and grants available to homeowners, according to organizers. The first 20 people to register will also receive a free home weatherization kit. Email Patrick Weaver to RSVP.