Is not that what you wanted by using insulation on the ceiling? to minimize the heat transfer across the ceiling in Winter.
Houses in Canada usually has ceiling insulation of R24 or more. The attic space itself is vented to the outside air.
If your ceiling constructin is not for heat isolation, then the temperature difference would be low.
Dr. Li
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
From: pierreavisse@xxxxxxxxx
Date: Fri, 29 Jul 2011 11:17:58 +0000
Subject: [EnergyPlus_Support] Re: Program ceiling fan on the E+
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Houses in Canada usually has ceiling insulation of R24 or more. The attic space itself is vented to the outside air.
If your ceiling constructin is not for heat isolation, then the temperature difference would be low.
Dr. Li
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
From: pierreavisse@xxxxxxxxx
Date: Fri, 29 Jul 2011 11:17:58 +0000
Subject: [EnergyPlus_Support] Re: Program ceiling fan on the E+
Hy,
I have a other problems.
My house has two zones. (RDC and the attic)
When i change the thickness of isolation under the roof, I have a different temprature in the attic zones, but there are no difference in RDC zones. And it is like that when i use a cold weather or a hot wheather.
More, the température of floor in attic zone is ten more deggree than ceiling of rdc zones in summer, and the floor in attic zone is ten less deggres than the ceiling of rdc zones in winter.
I guest there is not transfert between both zones.
Can you explain me that, please.
Thanks
I have a other problems.
My house has two zones. (RDC and the attic)
When i change the thickness of isolation under the roof, I have a different temprature in the attic zones, but there are no difference in RDC zones. And it is like that when i use a cold weather or a hot wheather.
More, the température of floor in attic zone is ten more deggree than ceiling of rdc zones in summer, and the floor in attic zone is ten less deggres than the ceiling of rdc zones in winter.
I guest there is not transfert between both zones.
Can you explain me that, please.
Thanks
__._,_.___
Primary EnergyPlus support is found at:
http://energyplus.helpserve.com or send a message to energyplus-support@xxxxxxxx
The primary EnergyPlus web site is found at:
http://www.energyplus.gov
The group web site is:
http://groups.yahoo.com/group/EnergyPlus_Support/
Attachments are currently allowed but be mindful that not everyone has a high speed connection. Limit attachments to small files.
EnergyPlus Documentation is searchable. Open EPlusMainMenu.pdf under the Documentation link and press the "search" button.
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