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#1 |
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Member
Trade: residential remodeling
Join Date: Feb 2007
Location: putnam county, New York
Posts: 84
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Need Help On New Hydro Air System
Hello, I'm a carpenter renovating my own home. I'm changing over from baseboard heat to hydro air system, keeping my existing oil burner. I was wondering if anyone could tell me how to figure out how many registers/sizes each room needs, how large ducts need to be, limits on length of the ducts, ect. I have general knowledge of working with ductwork, and I'm looking to do it right since its on my own home, but my budget doesnt have room to hire the man, so I'm fairly confident I cant accomplish the heating system, if I can get my hands on the info to do so.Obviously there is some formula to this, unfortunatly I dont have the knowledge of it though, so I appretiate any help/input from you HVAC guys out there. Oh one more thing, I was talked to a hvac guy we were using at work, and I gave him my square footage, and he said I need the 2.5 ton unit and to use a FirstCo. Could someone tell me how to figure that out too, being that we had 4 call backs from that job all dealing with the HVAC.hahahaha Thanks
Last edited by mikeybobo; 01-09-2008 at 06:11 PM. |
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#2 |
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HVAC Old Timer
Trade: HVAC
Join Date: Dec 2007
Location: South New Jersey
Posts: 99
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Re: Need Help On New Hydro Air System
You can use the charts from here to figure heating and cooling ductwork:
especially pages 8 or 9 http://www.williamson-thermoflo.com/...50701(TCF).pdf or you can cut time with the estimate program: http://www.heatpro.us/downprog/documents/proad.htm Last edited by HeatPro; 01-09-2008 at 08:13 PM. Reason: missed the williamson link |
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#3 | |
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NJ Plumber with ATTITUDE
Trade: Plumbing Contractor
Join Date: Jan 2008
Posts: 60
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Re: Need Help On New Hydro Air SystemQuote:
I don't have a clue what type of heating your a pro at but, from what I see it isn't any I know of. A furnace manual to size duct and btu's, not any pro I know. The only way to properly size btu requirments is with a heat loss heat gain and size your duct work from that point. Enough said, there isn't a rule of thumb that is better than a guess. Get real. |
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#4 |
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HVAC Old Timer
Trade: HVAC
Join Date: Dec 2007
Location: South New Jersey
Posts: 99
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Re: Need Help On New Hydro Air System
Did you read both links above?
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#5 |
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NJ Plumber with ATTITUDE
Trade: Plumbing Contractor
Join Date: Jan 2008
Posts: 60
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Re: Need Help On New Hydro Air System
Yeah a furnace manual and an ad to sell a program.
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#6 |
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NJ Plumber with ATTITUDE
Trade: Plumbing Contractor
Join Date: Jan 2008
Posts: 60
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Re: Need Help On New Hydro Air System
Try this I can't post a link.
hvaccomputer.com/talkref.asp |
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#7 |
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HVAC Old Timer
Trade: HVAC
Join Date: Dec 2007
Location: South New Jersey
Posts: 99
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Re: Need Help On New Hydro Air System
Sorry, I didn't realize you were trying to sell yours
http://www.hvaccomputer.com/talkref.asp Here are the instructions on how to do it without a computer: http://www.heatpro.us/estimatree/index.html As I co-authored the H-22 used by the plumbing industry, here is a free version that does that: http://www.heatpro.us/downprog/docum...044ADDD80.html |
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