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08-07-2006, 05:53 PM
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#1 |
Name: John Richards City: Hickory State: NC County: Burke Join Date: Oct 2005 Age: 33 Avg Visit Freq/Week
= 4.67 over 180 days |
I'm thinking about adding AC to my shop and am thinking about going with a vent free heatpump system. Seems pretty easy to install and a 24000 btu will cool my shop.
Anyone have an experience with them?
Thanks,
John
__________________ Keeping the Hokie Spirit Alive!! Remember 4/16/2007
First known case of the dreaded "Woodguy Disease" and is highly contagious. Stay away.... stay away! Warning! Not liable for excessive tool buying, drooling, or the sudden urge to spend large amounts of money.  www.jsrwoodworking.com |  
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08-07-2006, 06:05 PM
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#2 |
Name: D L Ames City: Fayetteville State: NC County: Cumberland Join Date: Oct 2005 Age: 50 Avg Visit Freq/Week
= 0.04 over 180 days |
John, I don't have any experience with them yet but that is exactly the type of unit I am going to go with. I just had Terry (Tweety Bird) over to my shop today and he gave me some pointers how how best to run the electrical for it. My intent is to order the unit and do all the rough in for the system, then hire an HVAC contractor to charge the system once it is installed. I plan on going with a 24K BTU unit also.
D L
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People sleep peaceably in their beds at night only because rough men stand ready to do violence on their behalf. George Orwell (1903 - 1950) | |
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08-07-2006, 10:38 PM
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#3 |
Name: jeff... City: Stovall State: NC County: Granville Join Date: Mar 2006 Avg Visit Freq/Week
= 6.81 over 180 days |
Don’t you have to have a HVAC license in the state of NC to purchase a heat pump?
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"Do, or do not. There is no 'try'." -- Jedi Master Yoda | |
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08-07-2006, 10:47 PM
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#4 |
Name: John Richards City: Hickory State: NC County: Burke Join Date: Oct 2005 Age: 33 Avg Visit Freq/Week
= 4.67 over 180 days |
You can buy them on the internet. Heck they are on Ebay. I think that you void the warrantee if you buy them online, but for the money difference it might be well worth it. I think a system installed by a contractor will be 5x the cost of the system online. I think I can install the system myself if I can get it. There are only a couple connections between the evaporator and condenser and some very basic electrical wiring.
John
__________________ Keeping the Hokie Spirit Alive!! Remember 4/16/2007
First known case of the dreaded "Woodguy Disease" and is highly contagious. Stay away.... stay away! Warning! Not liable for excessive tool buying, drooling, or the sudden urge to spend large amounts of money. www.jsrwoodworking.com | |
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08-08-2006, 12:05 AM
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#5 | | Vice-President
Libraries Administrator
Name: Rob City: Hendersonville State: NC County: Henderson Join Date: Nov 2005 Age: 66 Avg Visit Freq/Week
= 6.84 over 180 days |
Our Sam's Club in Asheville had some 12.5K BTU units a week ago today for about $475 (IIRC) and by Saturday they were all gone. I wish I had bought one. Ran on 110V and had a simple window vent system. Combined Heat Pump/AC in a compact floor standing package.
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Rob  Truths: There is no such thing as a 25 hour day, so why do I keep trying to cram so much into every day so it seems that way!   | |
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08-08-2006, 12:13 AM
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#6 |
Name: Amy Dowden City: Chapel Hill State: NC County: Orange Join Date: Jul 2006 Avg Visit Freq/Week
= 2.29 over 180 days |
I just bought a heat and cool window unit at Lowes for $588. It has 17,800 BTU cooling and 15,000 BTU heating capacity. It also has a power saver setting. It is 230V. The room size capacity is 875-1100 sq. ft. The builders are going to frame out a header so we can install it without having to use a window. | |
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08-08-2006, 12:13 AM
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#7 |
Name: jeff... City: Stovall State: NC County: Granville Join Date: Mar 2006 Avg Visit Freq/Week
= 6.81 over 180 days |
Originally Posted by McRabbet Our Sam's Club in Asheville had some 12.5K BTU units a week ago today for about $475 (IIRC) and by Saturday they were all gone. I wish I had bought one. Ran on 110V and had a simple window vent system. Combined Heat Pump/AC in a compact floor standing package. Wouldn't that just suck the sawdust up? I can envision myself forever cleaning the filter...
__________________
"Do, or do not. There is no 'try'." -- Jedi Master Yoda | |
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08-08-2006, 12:16 AM
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#8 | | Vice-President
Libraries Administrator
Name: Rob City: Hendersonville State: NC County: Henderson Join Date: Nov 2005 Age: 66 Avg Visit Freq/Week
= 6.84 over 180 days |
I suspect you may be right, but I try to capture most of the sawdust at the source...
Rob
__________________
Rob Truths: There is no such thing as a 25 hour day, so why do I keep trying to cram so much into every day so it seems that way! | |
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08-08-2006, 09:43 AM
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#9 |
Name: John Richards City: Hickory State: NC County: Burke Join Date: Oct 2005 Age: 33 Avg Visit Freq/Week
= 4.67 over 180 days |
The nice thing about ventless heatpumps is they only use the air in the existing space so you don't have to worry about a possitive pressure buildup like you would if you installed a vent from your home Heatpump as I could. Without a return in the space it would simply stagnate at a given pressure and not cool the space at all. I'm voting for a way of cooling the space independent of my house. The only question I have about installing the system is charging. I wonder if I called a contractor out to charge the system if they would do it knowing I did the install.
John
__________________ Keeping the Hokie Spirit Alive!! Remember 4/16/2007
First known case of the dreaded "Woodguy Disease" and is highly contagious. Stay away.... stay away! Warning! Not liable for excessive tool buying, drooling, or the sudden urge to spend large amounts of money. www.jsrwoodworking.com | |
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08-08-2006, 10:02 AM
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#10 |
Name: D L Ames City: Fayetteville State: NC County: Cumberland Join Date: Oct 2005 Age: 50 Avg Visit Freq/Week
= 0.04 over 180 days |
Originally Posted by woodguy1975 The only question I have about installing the system is charging. I wonder if I called a contractor out to charge the system if they would do it knowing I did the install.
John John, if you find anything out on your end in regards to charging a self-installed system please let me know. I will do some checking in my area and let you know what I find out.
Any members here on the site work in the HVAC business?
D L
__________________
People sleep peaceably in their beds at night only because rough men stand ready to do violence on their behalf. George Orwell (1903 - 1950) | |
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08-08-2006, 11:42 AM
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#11 |
Name: Chris Jones City: Raleigh State: NC County: Wake Join Date: Oct 2005 Age: 43 Avg Visit Freq/Week
= 0.00 over 180 days |
My garage is heated/cooled by 2 regular 6" runs off my main system, no return. It is shirt sleeve comfortable year round.
My house is pretty shady, my garage is not that big, and the garage door (wooden) is not insulated so it is overall not as tightly sealed as a newer house would be. All these factors help, but it does work. Been working since 1968.
Btw, I've never heard of an hvac guy that would have a problem with charging a system that he didn't install. It's basically just a service call.
A new system would normally need a vacuum pulled on it, then charged. Obviously you would have no problem with the low/high voltage on your own. | |
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08-08-2006, 11:43 AM
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#12 |
Name: jeff... City: Stovall State: NC County: Granville Join Date: Mar 2006 Avg Visit Freq/Week
= 6.81 over 180 days |
I have a HVAC licensed freind, he consulted when installing my gas pack and duct work for my house. Was real nice he told me what I needed, where to get it and how to install it and I got his discount. When it came time to make up custom duct. he measured and made it up at cost. As for the actual electical, I installed it with his consulting and inspection. The gas pack, he bought, charged me his cost, we both installed it. I saved a ton of money this way and got a better gas pack than I would have if I would have just paid some company to do it. Plus the entire system was approved by a licensed HVAC dude.
Just an idea to ponder, it worked very well for me...
__________________
"Do, or do not. There is no 'try'." -- Jedi Master Yoda | |
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08-08-2006, 12:39 PM
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#13 |
Name: John Richards City: Hickory State: NC County: Burke Join Date: Oct 2005 Age: 33 Avg Visit Freq/Week
= 4.67 over 180 days |
Originally Posted by Jonz My garage is heated/cooled by 2 regular 6" runs off my main system, no return. It is shirt sleeve comfortable year round.
My house is pretty shady, my garage is not that big, and the garage door (wooden) is not insulated so it is overall not as tightly sealed as a newer house would be. All these factors help, but it does work. Been working since 1968.
Btw, I've never heard of an hvac guy that would have a problem with charging a system that he didn't install. It's basically just a service call.
A new system would normally need a vacuum pulled on it, then charged. Obviously you would have no problem with the low/high voltage on your own. You can get away with that in a garage because you will loose as much as as you put in without building pressure. In my shop without a return it would be problem I'm sure.
John
__________________ Keeping the Hokie Spirit Alive!! Remember 4/16/2007
First known case of the dreaded "Woodguy Disease" and is highly contagious. Stay away.... stay away! Warning! Not liable for excessive tool buying, drooling, or the sudden urge to spend large amounts of money. www.jsrwoodworking.com | |
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08-08-2006, 02:43 PM
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#14 |
Name: Brandon Johnson City: Huntersville State: NC County: Mecklenburg Join Date: Sep 2005 Age: 27 Avg Visit Freq/Week
= 4.51 over 180 days |
John I wouldn't think an hvac contractor would have too much of a problem charging your system. In your county you are allowed to do all of your own electrical work on your own as long as it is your own residence. The only thing that the contractor may require is that you obtain a permit for the wiring, and a inspector has to come out and say its ok. I know thats what they did with our last system.
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I thought woodworking was going to be cheaper than playing golf. Boy was I ever wrong!
Brandon Johnson
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08-08-2006, 02:57 PM
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#15 |
Name: Robin Frierson City: Hickory State: NC County: Catawba Join Date: Apr 2006 Avg Visit Freq/Week
= 0.00 over 180 days |
John, when I installed my unit I had it done by a professional, and dont recall him charging the system. I think it came already "precharged" but I could be wrong, its been many years....After watching him I came away thinking it was something anyone could do. This was the unit I had. Maybe the instruction manual which is available on line will tell you.. http://www.ac-world.com/SplitAir.php | |
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