How to Fix a Furnace (Step By Step Guide)
JC Heating & Cooling is proud to present our step by step guide on how to fix a furnace. The most common issues with a furnace are: gas furnace flame not visible, not enough heat, or the furnace is constantly on. Our beautiful guide will guide you through the troubleshooting of the furnace.
Via: http://www.jccomfort.com/wp-content/uploads/2017/01/furnace-infographic.pdf