Go Back   DIY Chatroom Home Improvement Forum > Home Improvement > HVAC

CLICK HERE AND JOIN OUR COMMUNITY TODAY...IT'S FREE!

Reply
 
Thread Tools Search this Thread Display Modes
Old 01-23-2009, 02:11 PM   #1
Newbie
 
Join Date: Jan 2009
Posts: 4
Rewards Points: 10
Default

question on return duct


I am trying to figure out if I can reduce the size of my return duct in my kitchen.

My kitchen has a studded in return next to the refrigerator. The return is about 25x17 inches. The return is just a drywalled opening not a metal duct. Down in the basement the return is reduced to a 20x10 metal duct that attaches to my heat pump. I have been told by someone who works in HVAC that I can reduce the return in my kitchen to the size of the return that it reduces to in the basement (20x10). I am thinking that they made the return that large to make the space for the refrigerator. I would love to just run a 20x10 duct up because we are renovating the kitchen and are planning on moving the refigerator and need the extra space. Is this possible?

thanks

familyman is offline   Reply With Quote
Old 01-23-2009, 02:22 PM   #2
Member
 
hvaclover's Avatar
 
Join Date: Oct 2008
Location: Suburbs of Detroit Mi
Posts: 3,704
Rewards Points: 2,000
Default

question on return duct


Don't know who told you that but it is against code to put cold air returns in the kitchen/

__________________
Just slow, not stupid.
hvaclover is offline   Reply With Quote
Old 01-23-2009, 02:53 PM   #3
Member
 
JohnH1's Avatar
 
Join Date: Jan 2009
Location: Chicago, IL.
Posts: 428
Rewards Points: 250
Default

question on return duct


Try the bath room you wont mind recurculating air from there eather.
JohnH1 is offline   Reply With Quote
Old 01-23-2009, 02:57 PM   #4
Member
 
Join Date: Sep 2008
Location: Upstate New York
Posts: 368
Rewards Points: 250
Default

question on return duct


Yup, kitchens and baths are no-no's for returns. Among many reasons you don't want those odors wafting around the house. It is time to move that return somewhere else as part of your remodel.
dac122 is offline   Reply With Quote
Old 01-23-2009, 03:40 PM   #5
Newbie
 
Join Date: Jan 2009
Posts: 4
Rewards Points: 10
Default

question on return duct


I am sorry I was not clear, the return runs up the wall of the kitchen, the grill is in the living room. I am trying to find out if I can reduce the size of the retun to the size of the duct for the return in the basement.
familyman is offline   Reply With Quote
Old 01-23-2009, 05:54 PM   #6
An old Tradesmen
 
Join Date: Oct 2008
Location: PA
Posts: 26,021
Rewards Points: 3,708
Default

question on return duct


NO!

The hole in the floor is already restricting air flow.
Using a smaller opening in the wall will restrict it more yet. And shorten the life of your furnace.
beenthere is online now   Reply With Quote
Old 01-23-2009, 09:26 PM   #7
Member
 
hvaclover's Avatar
 
Join Date: Oct 2008
Location: Suburbs of Detroit Mi
Posts: 3,704
Rewards Points: 2,000
Default

question on return duct


Quote:
Originally Posted by familyman View Post
I am sorry I was not clear, the return runs up the wall of the kitchen, the grill is in the living room. I am trying to find out if I can reduce the size of the retun to the size of the duct for the return in the basement.

I won't even WRITE what I am thinking.....jeeze
__________________
Just slow, not stupid.
hvaclover is offline   Reply With Quote
Old 01-24-2009, 02:23 PM   #8
Newbie
 
Join Date: Jan 2009
Posts: 4
Rewards Points: 10
Default

question on return duct


ok thanks, so just to make sure I am clear on it, attached is a diagram of the duct work. Do I have any other options on making the drywall return smaller? What is the reason the drywall return would be larger then the metal return?

[IMG][/IMG]
familyman is offline   Reply With Quote
Old 01-24-2009, 03:43 PM   #9
An old Tradesmen
 
Join Date: Oct 2008
Location: PA
Posts: 26,021
Rewards Points: 3,708
Default

question on return duct


Subtract the plate dimensions at the floor, and what size is the opening then.
beenthere is online now   Reply With Quote
Old 01-24-2009, 04:21 PM   #10
Newbie
 
Join Date: Jan 2009
Posts: 4
Rewards Points: 10
Default

question on return duct


Quote:
Originally Posted by beenthere View Post
Subtract the plate dimensions at the floor, and what size is the opening then.
What do you mean by the plate dimension at the floor? The opening in the floor looks like it is 20x10. I measured the internal measurement of the drywalled return at the top and it is 25.25 by 18.5 inches. The grill is 19 by 19. What other options would I have if I need to keep the drywalled return the same size. Could I change the shape of it? Thanks for all your help.
familyman is offline   Reply With Quote
Old 01-24-2009, 06:35 PM   #11
An old Tradesmen
 
Join Date: Oct 2008
Location: PA
Posts: 26,021
Rewards Points: 3,708
Default

question on return duct


The chaise has to have a frame.
Most likely made from either 2x4s or 2x3s.

When you frame around the hole, the drywall dimension becomes bigger then the hole.

So if they framed out the hole by keeping the frame on the outer edge of the hole, then that is the smalllest it can be.
beenthere is online now   Reply With Quote
Old 01-24-2009, 11:39 PM   #12
Member
 
Dr Heat's Avatar
 
Join Date: Jan 2009
Location: Northern Central IL
Posts: 94
Rewards Points: 75
Default

question on return duct


Quote:
Originally Posted by hvaclover View Post
Don't know who told you that but it is against code to put cold air returns in the kitchen/
Can you sight the code?
Just messin with ya drac
Dr Heat is offline   Reply With Quote
Old 01-24-2009, 11:46 PM   #13
Member
 
Dr Heat's Avatar
 
Join Date: Jan 2009
Location: Northern Central IL
Posts: 94
Rewards Points: 75
Default

question on return duct


Quote:
Originally Posted by familyman View Post
I am sorry I was not clear, the return runs up the wall of the kitchen, the grill is in the living room. I am trying to find out if I can reduce the size of the retun to the size of the duct for the return in the basement.
Just a little more info:
The grill on your return has in the area of 50% free area meaning when you figure in the louvers and center bar and the frame your actual air opening is around 1/2 the rough opening. This is a guess to a certain extent because I do not know the specs on your ra grill but many residential grills are 50% free area.
Dr Heat is offline   Reply With Quote
Old 01-25-2009, 12:05 PM   #14
Member
 
JohnH1's Avatar
 
Join Date: Jan 2009
Location: Chicago, IL.
Posts: 428
Rewards Points: 250
Default

question on return duct


If you need to make the return smaller could you add another return to another location. Say add a floor return to a livingroom or dinning room area That is not in the walking path.

JohnH1 is offline   Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Return duct "boot or no boot" ads67 HVAC 16 01-10-2009 10:38 AM
Return air question n0c7 Electrical 9 10-21-2008 08:55 PM
Water in (and around) return duct kennelm HVAC 6 06-18-2008 07:13 AM




Top of Page | View New Posts

Copyright © 2003-2014 Escalate Media. All Rights Reserved.