[Equest-users] Underfloor Patchwork

[Matthew Higgins]

Vikram - I was always under the impression that eQuest assigns a u-value 
to respective zone-slabs based on their area and proximity to the 
perimeter. I've never tested this theory, but I would assume that heat 
loss coefficients would be calculated to reflect the variation of losses 
as a zone relates to the whole "slab."

Matthew Higgins, LEED AP + ASHRAE-HBDP
Environmental Dynamics, Inc.
Architecture and Sustainability Consulting Services
505.242.2851 x.103

Any data provided by the Consultant, verbal or written, are to be considered opinions of building energy and/or daylight performance. The Client understands that the Consultant has no control of occupant habits, equipment or material performance or characteristics, site or climate conditions or the Contractor's method of assembly, and that the Consultant's opinions regarding building energy/daylight performance are made on the basis of the Consultant's professional judgment and experience. The Consultant makes no warranty, express or implied, that the energy/daylight performance of the building will not vary from the Consultant's opinion of building energy/daylight performance.

Vikram Sami wrote:

> This is a question that I’ve wondered about for a while. When you come 
> out of the wizard, an UF material is created for each zone(like 
> below), with different properties for each zone – with an amazing 
> variation in properties across the board. Does anyone know why? Is it 
> reasonable to assign one material to all of them (assuming they are 
> the same construction and sitting on the same soil), and if so, how do 
> I know which material to pick out of the 20+ construction assemblies 
> created?
>
> *Vikram Sami,* LEED AP
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