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#1
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HVAC Load Calculator
Does anybody have a link to a manual heating & cooling load calculator. I
want to size a mini-split system for a 20x30 detached garage addition. All I've found on the web are offers to purchase load calculation s/w. |
#2
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HVAC Load Calculator
Jeff Dieterle wrote:
Does anybody have a link to a manual heating & cooling load calculator. I want to size a mini-split system for a 20x30 detached garage addition. All I've found on the web are offers to purchase load calculation s/w. Excel? |
#3
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HVAC Load Calculator
On Wed, 11 Jul 2007 07:54:06 -0500, "Jeff Dieterle"
wrote: Does anybody have a link to a manual heating & cooling load calculator. I want to size a mini-split system for a 20x30 detached garage addition. All I've found on the web are offers to purchase load calculation s/w. That's 600 square feet and NOT a standard home. I suggest you do 2 tons (24,000 btu). But if you like it to get cold fast, then 3 or 4 tons. If you just want to remove the humidity and cool it to 80 on a 95 degree day, then 1 1/2 ton (18,000 btu) will work just fine. In other words, forget the calc. Completely useless. The important question is to ask the owner what he wants to accomplish with his AC. |
#4
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HVAC Load Calculator
On Jul 11, 12:25 pm, ValveJob wrote:
On Wed, 11 Jul 2007 07:54:06 -0500, "Jeff Dieterle" wrote: Does anybody have a link to a manual heating & cooling load calculator. I want to size a mini-split system for a 20x30 detached garage addition. All I've found on the web are offers to purchase load calculation s/w. That's 600 square feet and NOT a standard home. I suggest you do 2 tons (24,000 btu). But if you like it to get cold fast, then 3 or 4 tons. If you just want to remove the humidity and cool it to 80 on a 95 degree day, then 1 1/2 ton (18,000 btu) will work just fine. In other words, forget the calc. Completely useless. The important question is to ask the owner what he wants to accomplish with his AC. ?! R |
#5
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HVAC Load Calculator
"RicodJour" wrote in message ups.com... On Jul 11, 12:25 pm, ValveJob wrote: On Wed, 11 Jul 2007 07:54:06 -0500, "Jeff Dieterle" wrote: Does anybody have a link to a manual heating & cooling load calculator. I want to size a mini-split system for a 20x30 detached garage addition. All I've found on the web are offers to purchase load calculation s/w. That's 600 square feet and NOT a standard home. I suggest you do 2 tons (24,000 btu). But if you like it to get cold fast, then 3 or 4 tons. If you just want to remove the humidity and cool it to 80 on a 95 degree day, then 1 1/2 ton (18,000 btu) will work just fine. In other words, forget the calc. Completely useless. The important question is to ask the owner what he wants to accomplish with his AC. Whos ass did he pull those numbers out of?? Better check with the local inspectors and permits department. Most likely they will require a Manual J heat load and loss calculation in addition to the plans for the structure modifications. |
#6
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HVAC Load Calculator
"Noon-Air" wrote in message . .. "RicodJour" wrote in message ups.com... On Jul 11, 12:25 pm, ValveJob wrote: On Wed, 11 Jul 2007 07:54:06 -0500, "Jeff Dieterle" wrote: Does anybody have a link to a manual heating & cooling load calculator. I want to size a mini-split system for a 20x30 detached garage addition. All I've found on the web are offers to purchase load calculation s/w. That's 600 square feet and NOT a standard home. I suggest you do 2 tons (24,000 btu). But if you like it to get cold fast, then 3 or 4 tons. If you just want to remove the humidity and cool it to 80 on a 95 degree day, then 1 1/2 ton (18,000 btu) will work just fine. In other words, forget the calc. Completely useless. The important question is to ask the owner what he wants to accomplish with his AC. Whos ass did he pull those numbers out of?? You may not like it but is very reasonable answer! Tony Better check with the local inspectors and permits department. Most likely they will require a Manual J heat load and loss calculation in addition to the plans for the structure modifications. |
#7
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HVAC Load Calculator
"Tony" wrote in message news:6Rali.72062$z64.18422@trnddc07... "Noon-Air" wrote in message . .. "RicodJour" wrote in message ups.com... On Jul 11, 12:25 pm, ValveJob wrote: On Wed, 11 Jul 2007 07:54:06 -0500, "Jeff Dieterle" wrote: Does anybody have a link to a manual heating & cooling load calculator. I want to size a mini-split system for a 20x30 detached garage addition. All I've found on the web are offers to purchase load calculation s/w. That's 600 square feet and NOT a standard home. I suggest you do 2 tons (24,000 btu). But if you like it to get cold fast, then 3 or 4 tons. If you just want to remove the humidity and cool it to 80 on a 95 degree day, then 1 1/2 ton (18,000 btu) will work just fine. In other words, forget the calc. Completely useless. The important question is to ask the owner what he wants to accomplish with his AC. Whos ass did he pull those numbers out of?? You may not like it but is very reasonable answer! Tony I was thinking the same |
#8
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HVAC Load Calculator
On Wed, 11 Jul 2007 13:35:40 -0500, "Noon-Air"
wrote: "RicodJour" wrote in message oups.com... On Jul 11, 12:25 pm, ValveJob wrote: On Wed, 11 Jul 2007 07:54:06 -0500, "Jeff Dieterle" wrote: Does anybody have a link to a manual heating & cooling load calculator. I want to size a mini-split system for a 20x30 detached garage addition. All I've found on the web are offers to purchase load calculation s/w. That's 600 square feet and NOT a standard home. I suggest you do 2 tons (24,000 btu). But if you like it to get cold fast, then 3 or 4 tons. If you just want to remove the humidity and cool it to 80 on a 95 degree day, then 1 1/2 ton (18,000 btu) will work just fine. In other words, forget the calc. Completely useless. The important question is to ask the owner what he wants to accomplish with his AC. Whos ass did he pull those numbers out of?? Better check with the local inspectors and permits department. Most likely they will require a Manual J heat load and loss calculation in addition to the plans for the structure modifications. Here in my neighborhood, if we see a inspector on our property talking about permits, we kill him. It is not against the law here. |
#9
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HVAC Load Calculator
"ValveJob" wrote in message ... On Wed, 11 Jul 2007 13:35:40 -0500, "Noon-Air" wrote: "RicodJour" wrote in message roups.com... On Jul 11, 12:25 pm, ValveJob wrote: On Wed, 11 Jul 2007 07:54:06 -0500, "Jeff Dieterle" wrote: Does anybody have a link to a manual heating & cooling load calculator. I want to size a mini-split system for a 20x30 detached garage addition. All I've found on the web are offers to purchase load calculation s/w. That's 600 square feet and NOT a standard home. I suggest you do 2 tons (24,000 btu). But if you like it to get cold fast, then 3 or 4 tons. If you just want to remove the humidity and cool it to 80 on a 95 degree day, then 1 1/2 ton (18,000 btu) will work just fine. In other words, forget the calc. Completely useless. The important question is to ask the owner what he wants to accomplish with his AC. Whos ass did he pull those numbers out of?? Better check with the local inspectors and permits department. Most likely they will require a Manual J heat load and loss calculation in addition to the plans for the structure modifications. Here in my neighborhood, if we see a inspector on our property talking about permits, we kill him. It is not against the law here. When I see a city inspector, I shake his hand and thank him for holding the hacks feet to the fire and helping to raise the quality bar. I then ask him if he is up to par on the new batch of hacks thats coming out of the woodwork. Does he know about XXX job?? No I don't just drop dimes, I drop dollar bills. If I have to play by the rules, then its only fair that everybody else should be doing the right things right too. That includes pulling permits and having inspections done. |
#10
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HVAC Load Calculator
EAT CRAWDOGS
"RicodJour" wrote in message ups.com... On Jul 11, 12:25 pm, ValveJob wrote: On Wed, 11 Jul 2007 07:54:06 -0500, "Jeff Dieterle" wrote: Does anybody have a link to a manual heating & cooling load calculator. I want to size a mini-split system for a 20x30 detached garage addition. All I've found on the web are offers to purchase load calculation s/w. That's 600 square feet and NOT a standard home. I suggest you do 2 tons (24,000 btu). But if you like it to get cold fast, then 3 or 4 tons. If you just want to remove the humidity and cool it to 80 on a 95 degree day, then 1 1/2 ton (18,000 btu) will work just fine. In other words, forget the calc. Completely useless. The important question is to ask the owner what he wants to accomplish with his AC. ?! R |
#11
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HVAC Load Calculator
VERY VERY TASSSSSTY
"RicodJour" wrote in message ups.com... On Jul 11, 12:25 pm, ValveJob wrote: On Wed, 11 Jul 2007 07:54:06 -0500, "Jeff Dieterle" wrote: Does anybody have a link to a manual heating & cooling load calculator. I want to size a mini-split system for a 20x30 detached garage addition. All I've found on the web are offers to purchase load calculation s/w. That's 600 square feet and NOT a standard home. I suggest you do 2 tons (24,000 btu). But if you like it to get cold fast, then 3 or 4 tons. If you just want to remove the humidity and cool it to 80 on a 95 degree day, then 1 1/2 ton (18,000 btu) will work just fine. In other words, forget the calc. Completely useless. The important question is to ask the owner what he wants to accomplish with his AC. ?! R |
#12
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HVAC Load Calculator
"ValveJob" wrote in message ... On Wed, 11 Jul 2007 07:54:06 -0500, "Jeff Dieterle" wrote: Does anybody have a link to a manual heating & cooling load calculator. I want to size a mini-split system for a 20x30 detached garage addition. All I've found on the web are offers to purchase load calculation s/w. That's 600 square feet and NOT a standard home. I suggest you do 2 tons (24,000 btu). But if you like it to get cold fast, then 3 or 4 tons. If you just want to remove the humidity and cool it to 80 on a 95 degree day, then 1 1/2 ton (18,000 btu) will work just fine. So you like to guess.... You don't even know if this building is insulated!!!!! |
#13
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HVAC Load Calculator
On Wed, 11 Jul 2007 11:25:31 -0500, ValveJob wrote:
On Wed, 11 Jul 2007 07:54:06 -0500, "Jeff Dieterle" wrote: Does anybody have a link to a manual heating & cooling load calculator. I want to size a mini-split system for a 20x30 detached garage addition. All I've found on the web are offers to purchase load calculation s/w. That's 600 square feet and NOT a standard home. I suggest you do 2 tons (24,000 btu). But if you like it to get cold fast, then 3 or 4 tons. If you just want to remove the humidity and cool it to 80 on a 95 degree day, then 1 1/2 ton (18,000 btu) will work just fine. In other words, forget the calc. Completely useless. The important question is to ask the owner what he wants to accomplish with his AC. A ) He IS the owner B ) Seeing as you're totally out to ****ing lunch, you shoudl STFU. Depending on all the usual factors of insulation, solar load, infitlration, etc, his possible range would be from ~ 6,000 up to maybe 24,000. With 3 or 4 tons, he can hang meat in there. Or long lost relatives. And he's be better off with a through the wall unit, for that kind of size and application. -- Click here every day to feed an animal that needs you today !!! http://www.theanimalrescuesite.com/ Paul ( pjm @ pobox . com ) - remove spaces to email me 'Some days, it's just not worth chewing through the restraints.' 'With sufficient thrust, pigs fly just fine.' HVAC/R program for Palm PDA's Free demo now available online http://pmilligan.net/palm/ |
#14
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HVAC Load Calculator
ValveJob wrote:
On Wed, 11 Jul 2007 07:54:06 -0500, "Jeff Dieterle" wrote: Does anybody have a link to a manual heating & cooling load calculator. I want to size a mini-split system for a 20x30 detached garage addition. All I've found on the web are offers to purchase load calculation s/w. That's 600 square feet and NOT a standard home. I suggest you do 2 tons (24,000 btu). But if you like it to get cold fast, then 3 or 4 tons. If you just want to remove the humidity and cool it to 80 on a 95 degree day, then 1 1/2 ton (18,000 btu) will work just fine. In other words, forget the calc. Completely useless. The important question is to ask the owner what he wants to accomplish with his AC. It sounds like we found the new Miss Cleo. You don't know where the building is located, what exposure it has, what materials it is made from and the amount of insulation it has and you can develop such an amazing answer... |
#15
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HVAC Load Calculator
Jeff Dieterle wrote:
Does anybody have a link to a manual heating & cooling load calculator. I want to size a mini-split system for a 20x30 detached garage addition. All I've found on the web are offers to purchase load calculation s/w. There used to be a more complete free load calculator but I couldn't find it. Here's what I found as far as free software goes: http://www.mrhvac.com/loadcalcshortform.htm |
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