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Portable A/C Units briansgooglegroupemail 04-24-2007
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Posted by on April 25, 2007, 2:06 pm

>
> >On 24 Apr 2007 13:03:33 -0700, briansgooglegroupemail@yahoo.com wrote:
> >
> >>Hello,
> >>
> >>I'm looking for a cooling unit to use in a garage "wood shop" that
> >>will make things comfortable this summer. This garage doesn't have
> >>windows, so a window unit isn't a viable option. I am entertaining
> >>the thought of getting a portable 12000 BTU unit (such as an Amcor)
> >>and installing a dryer vent fitting on the side door of the garage.
> >>Noise isn't much of a concern as I typically have hearing protection
> >>on anyhow. I've got several dedicated circuits as well. So, what is
> >>the general feeling on these portable units in terms of effectiveness,
> >>longevity, etc.?
> >>
> >>Thanks in advance.
> >
> >
> >
> > Maybe it's me!!!! This is a wood shop, and you can't frame in
> >an opening for a window shaker.
> >
> > Barry
>
>
> its you Barry. you're probably unaware of the huge number of wood
> framed homes that have an inch+ of stucco covering the exterior of a
> home / garage. I'll bet you also dont know that the stucco is applied
> in three seperate coats, a scratch coat, a brown coat & a color coat.


I can't see what the Stucco covering has to do with the installation of a
window unit. If you can't cut the hole close enough without needing to redo
the Stucco, you better get somone else to do the job!




Posted by on April 25, 2007, 5:42 pm

>
>>
>> >On 24 Apr 2007 13:03:33 -0700, briansgooglegroupemail@yahoo.com wrote:
>> >
>> >>Hello,
>> >>
>> >>I'm looking for a cooling unit to use in a garage "wood shop" that
>> >>will make things comfortable this summer. This garage doesn't have
>> >>windows, so a window unit isn't a viable option. I am entertaining
>> >>the thought of getting a portable 12000 BTU unit (such as an Amcor)
>> >>and installing a dryer vent fitting on the side door of the garage.
>> >>Noise isn't much of a concern as I typically have hearing protection
>> >>on anyhow. I've got several dedicated circuits as well. So, what is
>> >>the general feeling on these portable units in terms of effectiveness,
>> >>longevity, etc.?
>> >>
>> >>Thanks in advance.
>> >
>> >
>> >
>> > Maybe it's me!!!! This is a wood shop, and you can't frame in
>> >an opening for a window shaker.
>> >
>> > Barry
>>
>>
>> its you Barry. you're probably unaware of the huge number of wood
>> framed homes that have an inch+ of stucco covering the exterior of a
>> home / garage. I'll bet you also dont know that the stucco is applied
>> in three seperate coats, a scratch coat, a brown coat & a color coat.
>
>
>I can't see what the Stucco covering has to do with the installation of a
>window unit. If you can't cut the hole close enough without needing to redo
>the Stucco, you better get somone else to do the job!
>
>


Hmmm most resi garages are framed w/ studs 16" on center, meaning
you're going to cut at least one. Now, to do the job right, it has to
be headed out. You do realize that with stucco, there is no exterior
wall sheeting, it consists of tar paper & chicken wire thats nailed
right to the studs. Ok, now that you've used your masonary blade in
your skill saw to cut the stucco/chicken wire mess, just how do you
plan on re-attaching the stucco covered chicken wire back to the
new headers you framed in? You did back cut the studs 1-1/2" to allow
for the depth of the headers, correct? I suppose you'll remove the
sheet rock in the inside so you can nail the new headers to the
existing studs? Then maybe you plan on drilling thru the stucco so
that you can secure the cut edges of the stucco to the new headers
around the hole you just cut? What?? You have no intenions of
re-attaching the stucco to the new headers?

I would venture a guess you've never seen stucco in your life and have
goose-egg for experience in cutting / and or patching it.

Oh by the way, who is paying to do all this wall surgery?

Ok, so now you got a hole in your wall. I guess we get to run some
surface mount conduit & tie that back into the panel for a dedicated
wall plug.

That portable is looking sweeter & sweeter by the moment.

Posted by on April 25, 2007, 6:11 pm

> >I can't see what the Stucco covering has to do with the installation of a
> >window unit. If you can't cut the hole close enough without needing to
redo
> >the Stucco, you better get somone else to do the job!
>
> Hmmm most resi garages are framed w/ studs 16" on center, meaning
> you're going to cut at least one. Now, to do the job right, it has to
> be headed out. You do realize that with stucco, there is no exterior
> wall sheeting, it consists of tar paper & chicken wire thats nailed
> right to the studs. Ok, now that you've used your masonary blade in
> your skill saw to cut the stucco/chicken wire mess, just how do you
> plan on re-attaching the stucco covered chicken wire back to the
> new headers you framed in?

Stainless screws or nails. :-)

> You did back cut the studs 1-1/2" to allow
> for the depth of the headers, correct?

Messing with the drywall (if the interior is finished) is far easier.

> I suppose you'll remove the
> sheet rock in the inside so you can nail the new headers to the
> existing studs?

Yep, or reach in and install stud scabs, then attach the headers to them.
Imagination is the limiting factor. :-)

> Then maybe you plan on drilling thru the stucco so
> that you can secure the cut edges of the stucco to the new headers
> around the hole you just cut? What?? You have no intenions of
> re-attaching the stucco to the new headers?

Nail, screw, then cover the attachments with an outdoor coating. Or install
an outside trim.
Imagination is the limit to most projects.

> I would venture a guess you've never seen stucco in your life and have
> goose-egg for experience in cutting / and or patching it.

I have in fact messed with Stucco...

> Oh by the way, who is paying to do all this wall surgery?

The homeowner pays the bills... as in this case, it's his own A/C
installation.

> Ok, so now you got a hole in your wall. I guess we get to run some
> surface mount conduit & tie that back into the panel for a dedicated
> wall plug.
>
> That portable is looking sweeter & sweeter by the moment.

Or a nice little mini-split. :-)



Posted by Satan on April 25, 2007, 4:05 pm

> Hello,
>
> I'm looking for a cooling unit to use in a garage "wood shop" that
> will make things comfortable this summer. This garage doesn't have
> windows, so a window unit isn't a viable option. I am entertaining
> the thought of getting a portable 12000 BTU unit (such as an Amcor)
> and installing a dryer vent fitting on the side door of the garage.
> Noise isn't much of a concern as I typically have hearing protection
> on anyhow. I've got several dedicated circuits as well. So, what is
> the general feeling on these portable units in terms of effectiveness,
> longevity, etc.?
>
> Thanks in advance.
>
Problem I see is sawdust......

Here is a cheep way. Buy to identical outside units for a heatpump. (The
thing with the compressor in it.)

Mount one outside. Put one inside the garage. Take the reversing valve and
compressor out of the inside unit. Pipe up the inside unit to act as the
evaporator for the outside unit. It should be easy because it will already
have the expansion valve in place. All you will have to have going through
the wall is the vapor and liquid refrigerant pipe and drain pipe.

Put a pan under the inside unit with a drain pipe running outside. The
condensation from the coils will drain into the pan and out side through the
pipe.

You will have a abuse resistant evaporator unit on the inside. And you will
be able to wash it out with a simple garden hose when it gets plugged up
with sawdust.

Temperature control will be a thermostat on the wall.

I have often thought about using a outside condenser/heatpump unit for an
inside portion of an air conditioner in a workshop. It's as close to a
ruggedised unit as you can get for cheep.

It will withstand the impact of an occasional 2x4 without problem. And it's
coil is in full view for easy cleaning. And it will be simple to put
together.



Posted by Barry on April 25, 2007, 9:33 pm
On 24 Apr 2007 13:03:33 -0700, briansgooglegroupemail@yahoo.com wrote:

>Hello,
>
>I'm looking for a cooling unit to use in a garage "wood shop" that
>will make things comfortable this summer. This garage doesn't have
>windows, so a window unit isn't a viable option. I am entertaining
>the thought of getting a portable 12000 BTU unit (such as an Amcor)
>and installing a dryer vent fitting on the side door of the garage.
>Noise isn't much of a concern as I typically have hearing protection
>on anyhow. I've got several dedicated circuits as well. So, what is
>the general feeling on these portable units in terms of effectiveness,
>longevity, etc.?
>
>Thanks in advance.



For a seasoned professional wood worker this is a no
brainer!!!! Weather it be stucco, aluminum, or brick siding. The
cost of a stand alone unit verses a window shaker trumps everything.


Barry

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