Furnace Not Working? Identify and Fix These Common Issues Is your furnace not heating properly or making strange noises? Learn how to identify common furnace problems like dirty filters, pilot light issues, or faulty thermostats. Discover simple troubleshooting tips to fix them and restore warmth to your home efficiently. To know more visit here : https://virtualvivienne.com/common-furnace-problems-how-to-identify-and-fix-them/