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Default Interpreting HVAC-CALC Results

I am converting my garage into a family room. Trying to figure out
whether I can tap into my existing central air or if I need to go with
a ductless mini-split.

Did a HVAC-CALC tonight.

Existing: 10,000 Gain, 29,000 Loss
Garage: 6,500 Gain, 13,500 Loss
Total: 16,500 Gain, 42,500 Loss

I have a 1.5 ton 10 SEER A/C, and a 40,000 BTU furnace.

So I am close. But is it too close? Any advice?

Thanks,

Chris
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Zyp Zyp is offline
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Default Interpreting HVAC-CALC Results

wrldruler wrote:
I am converting my garage into a family room. Trying to figure out
whether I can tap into my existing central air or if I need to go with
a ductless mini-split.

Did a HVAC-CALC tonight.

Existing: 10,000 Gain, 29,000 Loss
Garage: 6,500 Gain, 13,500 Loss
Total: 16,500 Gain, 42,500 Loss

I have a 1.5 ton 10 SEER A/C, and a 40,000 BTU furnace.

So I am close. But is it too close? Any advice?

Thanks,

Chris


Tapping into your existing central HVAC system is asking for headaches. If
your existing system was done right, the system is designed to cool / heat
your home completely [not including the garage or any other addition.]
Tapping into it will ultimately end up not working for both the converted
garage and your home.

A ductless unit would be an ideal solution. Although somewhat costly, you
would only use it when you occupy the space. Easy to install, wire, and
use. An excellent consideration.

--
Zyp


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