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Old 01-22-2012, 02:45 PM   #1
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HVAC cold air return question


My wife and I have a small daughter that is almost to the crawling stage and in our home we have one of those big floor intakes that measures 28x36x19. What I want to do is move it to the wall directly above where it is now so that we don't have to worry about her little toes getting stuck in the grate and frankly we're tired of having to step over it. Its located right at the hall entrance and theres just enough space to step around it when our gas fireplace is off, when its on you really have to be careful how you step around it. I also hoped to be able to put the filter up here in the house instead of having to get under the house every time it needs changed. Our house is 1134 sq ft and we think its a 1 or 1.5 ton unit. Thanks.

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Old 01-22-2012, 02:57 PM   #2
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HVAC cold air return question


The potential problem with just moving it over to the wall is maintaining the same volume of the return air when it gets reduced to using the wall as part of the ducting. It can be done but takes some creative thought and a much wider duct to make up for the depth restriction in the wall over what you probably had in the floor. What is the narrowist dimension of the return ducting system that attaches to that grill. Is it the only return air grill in the house?


Last edited by how; 01-22-2012 at 03:02 PM.
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Old 01-22-2012, 03:06 PM   #3
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Yes, it is the only one, and size is not really an issue because behind the wall is our bedroom and there is 14 in. of space between the wall and the door frame. My idea had been to put the intake box there as I have a space 14 in. deep and 55 in. from the corner to the closet. Our closet is outset into the bedroom so I have an unused nook there. I had thought if I put the intake there and build a plywood box to house it then I could build some shelving aroung it and use that area for storage. My main question is what dimensions the box should be and what the minimum size of the intake grate in the wall would need to be.
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Old 01-22-2012, 03:43 PM   #4
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Before you do anything,eliminate the "I think" and the wild "guess"
There is a proper way to do it that will give you exact numbers to work with.
You must have a proper manuel "J" and a manuel "D" done.These are engineering calculations that will give exactly what size equipment and exactly what size duct work your particuliar house needs.
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Old 09-21-2012, 09:36 PM   #5
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Misplaced posting. Dam that friday evening beer.

Last edited by how; 09-21-2012 at 09:42 PM.
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Old 09-24-2012, 10:47 PM   #6
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Ok this is the second time a posting has ended up here that shouldn't.
Can anyone tell me how to delete a posting. I try through the edit button but obviously don't know what I'm doing or what the trick is.

Last edited by how; 09-24-2012 at 10:55 PM.
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Old 09-24-2012, 11:49 PM   #7
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Quote:
Originally Posted by how
Ok this is the second time a posting has ended up here that shouldn't.
Can anyone tell me how to delete a posting. I try through the edit button but obviously don't know what I'm doing or what the trick is.
Hit edit
Remove all your text and type this: ...........
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Old 09-25-2012, 04:29 AM   #8
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Quote:
Originally Posted by how View Post
Ok this is the second time a posting has ended up here that shouldn't.
Can anyone tell me how to delete a posting. I try through the edit button but obviously don't know what I'm doing or what the trick is.
Just use the report button, and one of us will delete it for you.
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Old 10-11-2012, 12:41 AM   #9
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Old 10-14-2012, 07:28 PM   #10
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If you are sure your heat exchanger is good and you wish to keep this furnace going longer, then the sticking gas valve and regulater gets swapped for a regular gas valve. Adaptations are needed for the difference in gas pipe length and the pilot tube end.
I would recommend only getting an HVAC gas fitter to do this.

Last edited by how; 10-14-2012 at 07:41 PM.
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Old 10-14-2012, 07:52 PM   #11
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Quote:
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Misplaced posting. Dam that friday evening beer.
lol:laughi ng: hey how i don't know how to remove it either
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Old 10-14-2012, 08:16 PM   #12
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didn't you mean damn those Friday evening beers

are those American beers? you should try Canadian beers then you wouldn't even be able to find this forum
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Old 05-02-2013, 08:15 PM   #13
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......

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