Can I install a Whole house fan with attic water heater?

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Old 08-02-14, 01:28 PM
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Question Can I install a Whole house fan with attic water heater?

I have a direct vent (closed system) gas tankless water heater with electronic ignition, I would like to install a whole house fan on the opposite side (~50' away) of the house.

Since whole house fans can pressurize an attic, should I be concerned about this combination?
 
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Old 08-02-14, 02:33 PM
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From what I can tell, these pull in outside air for combustion, so a whole house fan shouldn't affect it.

You will likely need much more ventilation in the attic.
 
 

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