Size Of Duct - HVAC - DIY Chatroom Home Improvement Forum


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

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

Reply
 
Thread Tools Display Modes
Old 05-29-2012, 04:24 PM   #1
Member
 
Join Date: Dec 2008
Posts: 49
Rewards Points: 25
Default

size of duct


want to install a 2ton ac blower what size should my first pieces of main duct be

Advertisement

buck545 is offline   Reply With Quote
Old 05-29-2012, 06:04 PM   #2
Member
 
Join Date: Oct 2009
Location: Nebraska
Posts: 2,362
Rewards Points: 1,000
Default

size of duct


Depends on the total equivalent length of the duct system. That includes adding length for turns,boots,takeoffs, offsets ect. 8x22 would be good in most homes.

Advertisement

Marty S. is offline   Reply With Quote
Old 05-29-2012, 06:11 PM   #3
MarginallyQualified
 
Join Date: Dec 2011
Location: Winston-Salem NC
Posts: 3,813
Rewards Points: 2,300
Default

size of duct


is the equipment at one end of the house? \/->|--->|--->|--->|--->|
or is it in the middle? |<---|<---\/--->|--->|--->|
TarheelTerp is offline   Reply With Quote
Old 05-29-2012, 07:15 PM   #4
Member
 
Join Date: Dec 2008
Posts: 49
Rewards Points: 25
Default

size of duct


its a ranch house, so i'm going to put all the equiment at one end and just have one straight run....after the plunum no more than 24 feet...total house is only 39 long
buck545 is offline   Reply With Quote
Old 05-29-2012, 07:18 PM   #5
Member
 
Join Date: Dec 2008
Posts: 49
Rewards Points: 25
Default

size of duct


im goig to have at the most 5 six inch supplys and 2 five inch supplys for bathrooms and 1 eight inch for some air flow in basement, with return
buck545 is offline   Reply With Quote
Old 05-29-2012, 07:39 PM   #6
An old Tradesmen
 
Join Date: Oct 2008
Location: PA
Posts: 26,524
Rewards Points: 4,686
Default

size of duct


I'd make those 6" supplies, 7".

Advertisement

beenthere is online now   Reply With Quote
Reply


Thread Tools
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
Metal duct or flex? smokey982 HVAC 6 08-06-2010 07:20 AM
What size duct i need lenexx miaisis1 HVAC 5 07-04-2010 11:12 AM
adding duct work and outlet jjrbus HVAC 17 05-30-2010 03:13 PM
Duct work in garage. flashme18 HVAC 1 11-08-2009 07:29 PM
Return duct "boot or no boot" ads67 HVAC 16 01-10-2009 10:38 AM




Top of Page | View New Posts