Air Conditioning - So we went w/ SPACPAK
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rfellmanjr
06-08-08, 05:48 PM
Ok so we went w/ Spacpak- it seemed out best option due to limited space.Installed in December and was not fired up at the time. He just came out this week and fired it up. It ran ok the first night- not all that hot. Next day temp in the 90's( live in Pennsylvania). Set the thermo at 74 and could not get the temp in the house down to 74- Stayed around 78-80. The house is 1100 sq ft 2 story , small twin. Tech came out again and charged again. Still hovering aroung 78. Does the 90 degree weather outside really have an effect on inside temp? Any ideas?
Condensor is approx 55 ft from the handler in the attic..
Spacpak is noisy but you get used to it....
Condensor is approx 55 ft from the handler in the attic..
Spacpak is noisy but you get used to it....
Jay11J
06-08-08, 07:44 PM
How many BTU/Ton is the system? How much of space is it trying to cool?
What's the temp drop across the coil?
Did the dealer do a Manual-J on your home to find the right size equpment?
What's the temp drop across the coil?
Did the dealer do a Manual-J on your home to find the right size equpment?
ReidJH
06-09-08, 07:39 AM
We had a Spacepak system installed last spring (2007) with the air handler in the attic, so it sounds like we have a similar set-up. We had a very similar problem to what you're experiencing. For us the solution was to add insulation in the attic.
I realized that the big supply trunk that feeds air to all of the flexible ductwork was sitting exposed on top of the old insulation in the attic getting SO hot that the air was literally warming up after it passed over the coil. It was getting so hot in the attic that the system couldn't cool the house properly. I had cellulose insulation blown into the attic, and I had an exhaust fan installed, and that did the trick. We insulated up to an R-42 rating (I think that's the right terminology). The cellulose worked well in this case because it literally blanketed the Spacepak ductwork in insulation.
Hope this helps!
I realized that the big supply trunk that feeds air to all of the flexible ductwork was sitting exposed on top of the old insulation in the attic getting SO hot that the air was literally warming up after it passed over the coil. It was getting so hot in the attic that the system couldn't cool the house properly. I had cellulose insulation blown into the attic, and I had an exhaust fan installed, and that did the trick. We insulated up to an R-42 rating (I think that's the right terminology). The cellulose worked well in this case because it literally blanketed the Spacepak ductwork in insulation.
Hope this helps!
rfellmanjr
06-09-08, 05:28 PM
Thank you- sounds like that could be a solution.
Jay
2.5 ton 13 seer ( from memory) 1100 sq ft house
Jay
2.5 ton 13 seer ( from memory) 1100 sq ft house
Jay11J
06-09-08, 07:45 PM
I don't know where you are out of, but that should keep up just fine.
As the last poster said about adding more insulation in the attic should help.
What's your temp drop? (reading at return/near the blower, and other side of coil)
As the last poster said about adding more insulation in the attic should help.
What's your temp drop? (reading at return/near the blower, and other side of coil)