Quote:
Originally Posted by Gizmo
If I can throw this in, its a good idea to also have a method of brining in fresh air from the outside to make up for everything you are exaushting outside. There are 5" inline duct heaters that can heat cold air in the winter months, but if your place is like mine, the cold air can aid in cooling down the tank too.
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In the building code at least for Edmonton, if running an exhaust fan in excess of 300 CFM, there's a requirement that the fresh air intake duct for the furnance have a inline heater and that when the exhaust fan is turned on, the furnance fan comes on also.
Came across this when looking to install a high flow (~600cfm) kitchen range hood.