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Old 04-15-2020, 06:31 PM
Pete VanderLaan's Avatar
Pete VanderLaan Pete VanderLaan is offline
The Old Gaffer
Join Date: Apr 2002
Location: Chocorua New Hampshire
Posts: 22,033
Pete VanderLaan is on a distinguished road
Insulate the hood, which will have an exhaust system built into it. Insulating the unit is a complete waste of time and material.

The furnace radiates heat, OK that's what it does. Contain the readiation, exhaust the heat from combustion. That helps a lot since it actually contains the radiant heat to a degree, BUT IT"S RADIATION. IT"S NOT ENTIRELY CONVECTIVE. Understand that. Pull cool air under the hood and your misery will be reduced.

This is fifty years telling you this.
Where are we going and why am I in this basket?
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