What is the minimum vent height measured from the floor to the top of the vent for a wall furnace?

The minimum vent height for a wall furnace is indeed 12 feet. This height is established to ensure safety and efficiency in venting combustion gases safely away from occupied spaces.

A vent height of 12 feet allows for adequate dispersion of exhaust gases, reducing the risk of harmful emissions returning to the living area. It also helps ensure that the gases are released above typical obstructions or areas where people might be present, minimizing exposure to potentially toxic fumes.

Additionally, the specified height plays a crucial role in maintaining proper draft and airflow, which is essential for the efficient operation of the furnace. By following the required vent height, it ensures compliance with safety standards and codes, ultimately protecting the occupants of the space.