Furnace Flue Size Calculator
Enter the furnace BTU (British Thermal Units): Enter the flue gas temperature (in degrees Fahrenheit): Recommended Furnace Flue Size: Calculate Introduction: Efficient furnace operation requires a well-sized flue to ensure proper ventilation and safety. The Furnace Flue Size Calculator is a valuable tool designed to provide personalized recommendations based on the furnace BTU (British Thermal … Read more