Final answer:
Chimney Safety The statement is false; the choice of chimney, such as single-wall or double-wall, should be guided by several factors including local building codes, the type of heating system, and safety regulations.
Step-by-step explanation:
The statement that single-wall metal chimneys should always be used in one- and two-family dwellings is false. The choice of chimney depends on several factors, including building codes, the heating system used, and safety considerations.
For instance, a wood stove requires an efficient chimney system that will prevent most of the heat from escaping directly through the chimney, suggesting that better-insulated chimneys might be necessary.
In the context of historical architecture, like the 'Saddlebag House', a single central chimney was beneficial for heating multiple rooms with one fireplace.
However, today's dwelling heating requirements and safety regulations often dictate the use of insulated, double-wall chimneys to reduce the risk of fire and improve efficiency.
Additionally, regardless of the chimney type, proper ventilation, the use of carbon monoxide detectors, and ensuring that chimneys are in good working order are crucial for safe operation within homes.