There are many different options for heating and cooling a home, including deciding between gas and electric furnaces, hot water heaters and electric baseboard heat. Learn about the best and most efficient methods of heating and cooling a house withhelp from a plumber and HVAC tech in this free video on heating and cooling systems. Expert: Shawn Kenny Bio: Shawn Kenny is a licensed plumber and the lead HVAC tech with his family business, Westfall Plumbing & Heating. Filmmaker: Dan Kenny