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gbwillson

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Reply with quote  #11 
Wear a Go-Pro camera on your head for entire build! You can always edit it later![biggrin]

Greg in MN

Bert

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Reply with quote  #12 
Kevin,

I was thinking about using this;
http://www.homedepot.com/p/8-in-Dia-R-6-Ductwork-Insulation-Sleeve-INSLV8/100396954
Not sure now though as it only has a R6.  I've haven't actually seen it so not sure if you could squeeze anything inside.  Maybe outside.
Are there better options short of building a container around the duct and filling it with fiberglass?
Greg, I will be looking forward to the tips.
Thor, I will be taking pics. Can't wait to get started.
I think having the fan close to the far wall where the collector is located may help cut back on the noise entering the living room. Fingers crossed.

Hmmm the link above doesn't seem to work. Maybe an image;
[8d852533-a886-4d32-bf38-c359a294df76_1000] 

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Bert K.
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Bert

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Reply with quote  #13 
Here's a very rough drawing of the ductwork.

  
The gray is the heated air going into the house. Both sides of the collector share the blue basically ( think of two separate ducts overlapping and 20' apart.)
Hopefully you can imaging what I'm trying to show.

Quote:
Originally Posted by gbwillson
Wear a Go-Pro camera on your head for entire build! You can always edit it later![biggrin]

Greg in MN



LOL that's an idea.
garage-ductwork.jpg 


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Bert K.
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Thor

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Reply with quote  #14 
What is the floorplan of the house? possible to duct it in to you entryway? pull the air from the living room and dump the heat into the entry, that way the air circulates in the house more, less heat loss, drys the snowy boots off, adds humidity.... just a thought.

OR just heat the garage with it and build another collector on the roof for the house [biggrin]

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Bert

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Reply with quote  #15 
Thor

Here's the layout. Not exactly to scale.

HOUSEPLAN.jpg  The black arrow is the cool air going to the collector. The red is the heated air back into the house.
I was planning on a couple dampers and a thermostat that would direct the air to the orange arrow when the living room got too hot.

The orange arrow would be a shorter route but one more turn in the ductwork.




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Bert K.
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gbwillson

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Reply with quote  #16 
Bert-

Instead of using the sleeves you linked to above, consider using the insulation sleeve from insulated flex ducts. It's very easy to separate the inner duct from the outer insulation sleeve. It comes in R-8 and is 25' long too, for less splicing. Menards carries it and it's on sale right now:

http://www.menards.com/main/heating-cooling/ductwork/flexible-duct/dundas-jafine-8-x-25-insulated-duct-silver-jacket-r8/p-1444429340367-c-9503.htm?tid=-7676710031714188210

I'm a little unclear about the drawing. Isn't the collector covering the entire side of the garage? If so, aren't you putting the ducts across the front of the garage doors? Or are you taking the ducts above the cars and garage door? And why go around the garage at all. I agree with Thor(not that I would ever argue with a god) about entering through the East garage wall into the house. It would put the heat into the foyer or hallway and be a far shorter but run.

Draw up a clear floor plan and post a few pics. I'm sure we can find a better path for the ducts.

Greg in MN



Bert

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Reply with quote  #17 
I will try to get something drawn up in a bit. Yes, the duct has to squeeze in between the ceiling and garage door. The collector does cover the whole side of the garage. At the end of the garage there's an entry door into the house and beyond that a bathroom and then family room. 

The insulated flex ducts is a good idea to put over the solid ducts.  Hmmmm should I still use elbows or would flex duct work as well for the turns? Not sure which way would be less resistant to airflow.

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Bert K.
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Reply with quote  #18 
Here's another drawing and a picture of the house.

FloorPlan2.jpg 
south-side-w-collector.jpg 


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Bert K.
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Thor

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Reply with quote  #19 
After seeing the floor plan I would dump the heat into the entry for sure... better air circulation.  (unless you want to argue with a god) LOL

I would rework your other collector to be horizontal so both sides match as well....

how many PV panels do you have and what do they power? 

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Bert

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Reply with quote  #20 
I really think it has to go into the living room. My wife and I both think we need the heat there more. Don't forget it's 8" ducts. That's almost twice the area as 6". Not sure if 10" would fit above the garage door.
I think that 740 cfm would push enough air through.

If I go into the hallway, I would probably have to add another elbow and a run up the wall anyhow.

The supply and return will be around 17' apart horizontally and one at the ceiling and another at the floor.  

I have two solar panels with a total of 200 watts. Three batteries and a controller. They power a few lights in the house and my current solar heater fan and controller.

The old collector will be gone and a new 88 sq. foot horizontal one will be going there. Hopefully. That will have some challenges as well as we were discussing here.
http://www.simplysolar.supporttopics.com/post/thinking-ahead-about-my-next-two-collectors-7799289?trail=10



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Bert K.
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