Jim Kelly University of Iowa School of Library and Information Science Poster Presentation Spring 2013 “With the Turn of a Wrench and the Click of a Mouse: A Case Study of the Online Learning Practices of HVAC Professionals and Homeowners” Abstract This study examines the learning practices on display in several discussion forums on the site www.heatinghelp.com. These forums are used by professionals in the HVAC industry to address, among other things, the problems and questions they encounter in their daily work lives; questions that range from technical matters such as water chemistry to more general topics like small business management. Homeowners also frequent the site contributing questions or concerns about their own heating syst...