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Subject Author Date
Small AC system? trs80 07-11-2006
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Posted by trs80 on July 11, 2006, 5:24 am
The central air in my home is a 5 ton unit yet still too small for size of
the house. It was way too expensive to add a 2nd compressor and 2 zone
system at the time.

I have a 2nd floor section of the house (2br, 1bath) that isnt adequately
cooled by the central AC (but heating is just fine). This area, based on a
nice online worksheet calculation, probably needs something small on the
order of 11K BTU for the entire area. Probably even less since the
existing central air does some cooling
Id like to put a small AC system in that section of the house, seperate from
the existing central air, to augment the central. If using a portable AC
floor mount, Im concerned that cool air blowing from a single source would
be well enough distributed to the 3 rooms.

Is there a small AC unit that would allow cold air distribution via ducts or
coils to the three rooms? This is also something Id like to install
myself.

Any tips appreciated.

thanks!



Posted by Fat Eddy on July 11, 2006, 6:43 am

trs80 wrote:
> The central air in my home is a 5 ton unit yet still too small for size of
> the house. It was way too expensive to add a 2nd compressor and 2 zone
> system at the time.
>
> I have a 2nd floor section of the house (2br, 1bath) that isnt adequately
> cooled by the central AC (but heating is just fine). This area, based on a
> nice online worksheet calculation, probably needs something small on the
> order of 11K BTU for the entire area. Probably even less since the
> existing central air does some cooling
> Id like to put a small AC system in that section of the house, seperate from
> the existing central air, to augment the central. If using a portable AC
> floor mount, Im concerned that cool air blowing from a single source would
> be well enough distributed to the 3 rooms.
>
> Is there a small AC unit that would allow cold air distribution via ducts or
> coils to the three rooms? This is also something Id like to install
> myself.
>
> Any tips appreciated.
>
> thanks!

It can be done, however I don't know that it would be any less
expensive than just adding another system for your floor, having it
ducted to all 3 rooms is what drives the cost up.

Fat Eddy
www.hvactalkforum.com


Posted by trs80 on July 11, 2006, 9:06 pm
I guess im learning thats the case. What should a small compressor with air
handling to 3 rooms, new ducts and new air intake run to install?


>
> trs80 wrote:
>> The central air in my home is a 5 ton unit yet still too small for size
>> of
>> the house. It was way too expensive to add a 2nd compressor and 2 zone
>> system at the time.
>>
>> I have a 2nd floor section of the house (2br, 1bath) that isnt adequately
>> cooled by the central AC (but heating is just fine). This area, based on
>> a
>> nice online worksheet calculation, probably needs something small on the
>> order of 11K BTU for the entire area. Probably even less since the
>> existing central air does some cooling
>> Id like to put a small AC system in that section of the house, seperate
>> from
>> the existing central air, to augment the central. If using a portable AC
>> floor mount, Im concerned that cool air blowing from a single source
>> would
>> be well enough distributed to the 3 rooms.
>>
>> Is there a small AC unit that would allow cold air distribution via ducts
>> or
>> coils to the three rooms? This is also something Id like to install
>> myself.
>>
>> Any tips appreciated.
>>
>> thanks!
>
> It can be done, however I don't know that it would be any less
> expensive than just adding another system for your floor, having it
> ducted to all 3 rooms is what drives the cost up.
>
> Fat Eddy
> www.hvactalkforum.com
>



Posted by Al Moran on July 11, 2006, 9:32 pm

>I guess im learning thats the case. What should a small compressor with air
>handling to 3 rooms, new ducts and new air intake run to install?



The cost is one million dollars, now go the fuck away.

Posted by =?iso-8859-15?Q?Tekkie=AE?= on July 11, 2006, 9:44 pm
trs80 posted for all of us...
I don't top post - see either inline or at bottom.

> I guess im learning thats the case. What should a small compressor with air
> handling to 3 rooms, new ducts and new air intake run to install?
>
I have your answer ready, you top posting fundy here it is:

Obviously you have not researched this before belching out your question.
We cannot analyze over the Internet - our crystal balls are cloudy.
This group is for professional not homeowner discussion.
Your post also belongs in alt.home.repair it may be answered there.
Search Google on this subject, is it broken at your house?
Google is your friend http://groups.google.com/group/alt.home.repair
Do I have to do the rest too?
--
Tekkie

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