Construction forum - Iced Furnace Air Intake

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Iced Furnace Air Intake

2007-09-03, 5:25 pm

Dear All,

Outside winter temperature often reached -30 C. The fresh air intake iced up
resulting in furnace shut down. The furnace is 1 year old, high efficiency,
forced air furnace.

The intake is a 2.5" OD black PVC pipe.

The cloth dryer's exhaust vent is about 6' below and 3' displaced from the
furnace air intake.

Other than moving the clothing exhaust vent elsewhere, any suggestion to
avoid having to remove the loose ice from the air intake?

No problem when the cloth dryer is not running.

Thanks,
MC

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