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Old 01-22-2013, 06:26 PM   #1
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Where to put registers in new rooms?


I have a single story house on a slab foundation with a "covered patio" that I am converting to living space. It is within the house footprint, under the roof, but the outside wall was just an opening. See drawing.

I also have an atrium that used to be open to the sky, but is now covered with skylights, that I am also converting to living space. As shown in the drawing, these areas are adjacent.

The attached drawing shows the covered patio at the top of the drawing as "NEW AREA." There will be a 12' sliding glass door (vinyl, double pane, argon, Low E3 glass, etc.) at the opening, which faces south. The walls on the left side will be entirely removed, making one big room.

The atrium is shown as "NEW AREA SKYLIGHT OPENING," which is now a tall skylight shaft. The two 4' x 4' skylights are way up there, about 12', they too are double pane, Low E2 glass, etc. One of them is a venting skylight. The skylights are angled to the south as well. The wall to the right of this area will be sealed up, even though it shows as having an opening. The wall on the right will be the only one remaining, all other walls will be removed. The closet to the bottom left of the atrium, and its "existing vent" will remain.

The total new area is about 270 square feet. We will have R30 insulation in the ceiling, R22 in the skylight shaft.

The question is, where would you locate HVAC register(s) in these new areas? This is a single story in So Cal, so there are no returns in the rooms, only a central return at the furnace closet.
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Where to put registers in new rooms?-vent-locations.jpg  

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Old 01-23-2013, 05:29 PM   #2
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Where to put registers in new rooms?


Nobody wants to take a stab at this?

How about:

Near the sliding glass door, away from the sliding glass door, middle of the room, on the wall, etc.?

In the skylight shaft, not in the skylight shaft?

Or "get an HVAC pro out there and stop bothering us"?

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Old 01-23-2013, 05:49 PM   #3
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Where to put registers in new rooms?


A supply on both sides of the sliding door. And one on either side wall of the new skylight area.
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Old 01-23-2013, 06:44 PM   #4
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Where to put registers in new rooms?


I just noticed an error in the drawings. The NEW AREA is about 1/3 longer (in the direction of the sliding door) than the drawing shows. The room is about 13' x 18', not nearly square as the drawing shows. So the 12' slider will fill almost the entire outside wall.

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Originally Posted by beenthere View Post
A supply on both sides of the sliding door.
On the ceiling, right?

Quote:
Originally Posted by beenthere View Post
And one on either side wall of the new skylight area.
There is only one wall in the new skylight area, on the right side. All other walls have been removed. Are you talking about in the skylight shaft itself?

Thanks

Last edited by M3 Pete; 01-23-2013 at 06:50 PM.
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Old 01-23-2013, 09:00 PM   #5
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Where to put registers in new rooms?


Ceiling is fine for register, just make sure it has good down ward throw for heating.

No, not the shaft. The box out lines made me think of walls. Right side wall for supply.
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Old 01-23-2013, 09:00 PM   #6
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Where to put registers in new rooms?


Ceiling is fine for register, just make sure it has good down ward throw for heating.

No, not the shaft. The box out lines made me think of walls. Right side wall for supply.

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