Ventilation/cooling air for wood furnaces

Heating · Furnaces and Boilers · printed page 174 (PDF page 175)

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Ventilation/Cooling Air Ventilation/Cooling Air for Wood Furnaces Wood Furnace

Text in the illustration

wood furnaces should not be located in small, confined spaces (i.e. less than 20% of the entire space they are designed to heat)
cross section

Generated explanation

A house cross section shows a wood furnace enclosed in a small basement compartment. The furnace is depicted with a burning fire, a blower, overhead duct connections, and a flue connection to a vertical chimney extending above the roof. A red prohibition symbol overlays the furnace enclosure to indicate improper placement. The annotation warns against locating wood furnaces in confined spaces smaller than 20% of the total space they are designed to heat, emphasizing the need for ventilation and cooling air.

Components

wood furnace firebox blower ductwork flue connector chimney furnace enclosure basement

Defects shown

Wood furnace located in a small, confined enclosure Inadequate space for furnace ventilation and cooling air