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DIY Home Repair Forum: HVAC 11-03-2010, 05:57 AM
Replies: 13
Views: 3,523
Posted By nholmes8669
So would it be better to go with a rectangle duct...

So would it be better to go with a rectangle duct then? Like a 10x3.5 or 12x3.5 to get it upstairs?
DIY Home Repair Forum: HVAC 10-31-2010, 07:43 PM
Replies: 13
Views: 3,523
Posted By nholmes8669
The only way to get any ducts upstairs is through...

The only way to get any ducts upstairs is through a wall cavity so I think my choices are limited to an oval or rectangle duct for both the supply and return. I will do like you said and swap the 6"...
DIY Home Repair Forum: HVAC 10-31-2010, 12:01 PM
Replies: 13
Views: 3,523
Posted By nholmes8669
Yeah I plan on running another duct upstairs when...

Yeah I plan on running another duct upstairs when I add a bathroom up there next month. I am also going to add a return duct as well. The room upstairs does not have any doors and is open all the...
DIY Home Repair Forum: HVAC 10-31-2010, 10:00 AM
Replies: 13
Views: 3,523
Posted By nholmes8669
All the runs downstairs do blow hard. I actually...

All the runs downstairs do blow hard. I actually have 2 of them closed to try to get more airflow upstairs. The run upstairs has 3 - 90 deg bends before it goes upstairs and 1 - 90 deg bend...
DIY Home Repair Forum: HVAC 10-30-2010, 04:43 PM
Replies: 13
Views: 3,523
Posted By nholmes8669
Ok the model # of the furnace is GNE075B12G1. ...

Ok the model # of the furnace is GNE075B12G1. The 1st floor square footage is 650, the 2nd floor is 300 (its a 1 1/2 story). There is a 8"x24"x8' supply trunk on the top of the furnace with 4 - 6"...
DIY Home Repair Forum: HVAC 10-28-2010, 03:26 PM
Replies: 13
Views: 3,523
Posted By nholmes8669
The blower is a 3 speed blower and is set at the...

The blower is a 3 speed blower and is set at the highest setting. I am unsure of the cfm's at each speed. It is a comfortmaker 75,000 btu furnace 80%. There is no return air duct on the 2nd level...
DIY Home Repair Forum: HVAC 10-26-2010, 06:28 PM
Replies: 13
Views: 3,523
Posted By nholmes8669
Duct Size

I have a 3.5" x 12" supply duct running from my basement up to my 2nd floor. The supply pipe from the furnace to the rectangle duct is a 6" round and also from the end of the rectangle duct to the...
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