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Yeah did it on my friends house.
It eliminated them running 2 dehumidifiers in the summer and lowered their power bill by at least a third in the summer, this is in mountainous Virginia where it gets hot and humid.
There was a 12x24 duct that connected the up stairs air intake to the air handler in the basement.
All we did was disconnect a sheet metal elbow from the circuit to test it out.
Later my friend removed another elbow further away from the air handler to really open it up.
The air filter is located at the air handler.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
Last edited by oil pan 4; 06-12-2019 at 02:43 AM..
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