What Are The Different Types of Furnaces? 

The key cog that powers your home's heating system is none other than the furnace. What is a furnace, exactly? Furnaces represent the "H" in HVAC (Heating, ventilation and air conditioning) systems, and they essentially work to heat air that can then be circulated throughout the ducts to every room of your home. Visit https://www.icsny.com/blog/what-are-the-different-types-of-furnaces