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vasiliy · 04-05-10, 09:26 AM

I like the ynot7201's idea, thinking about implementing it.

I'm thinking about putting solid aluminum pipe into a duct, rectangular or flattened 6" round one. May be adding some fins between inner and outer pipes for more efficient heat exchange.
Outer duct will draw air from outside.

I wander if anybody did this.
I'm concerned about a moisture.

In my case I have to run vent pipe 6 feet up. So if heat exchanger is efficient enough and some of the moisture condenses, it will collect in the duct.

Any experience there?

04-05-10, 09:26 AM	#37
vasiliy Lurking Renovator Join Date: Apr 2010 Posts: 1 Thanks: 0 Thanked 0 Times in 0 Posts	I like the ynot7201's idea, thinking about implementing it. I'm thinking about putting solid aluminum pipe into a duct, rectangular or flattened 6" round one. May be adding some fins between inner and outer pipes for more efficient heat exchange. Outer duct will draw air from outside. I wander if anybody did this. I'm concerned about a moisture. In my case I have to run vent pipe 6 feet up. So if heat exchanger is efficient enough and some of the moisture condenses, it will collect in the duct. Any experience there?