Heat Smart Otsego is holding a Community Campaign Event on Sunday at the Cooperstown Village Library from 3:00 p.m. until 4:30 p.m. Attendees will learn about renewable, clean heating and cooling technologies like air and ground source heat pumps for homes or business. Heat Smart Otsego Campaign Director Bennett Sandler’s presentation will cover how these system work, how much they save, how much safer they are in your home and how much better they are for the environment. Admission is free.