Resstock Area error

asked 2019-04-24 06:52:28 -0500

Vishak
391 ●2 ●5

Hi All, I am writing to seek answers to a couple of questions facing issues in resstock. I am using AMI 2.6.0

I am attempting to use resstock to generate certain custom built homes by defining parameters in buildstock.csv. I have set the Geometry House Size parameter as 0-1499. However, the homes are being sized for more than the range. When I checked the split between conditioned and unconditioned building areas in the energy plus tables, I found the conditioned area to lie in the specified range but the total area of the building was far above 1499. Does the geometry house size parameter only define the conditioned building area and not the net area? This keeps happening irrespective of the area specification.

My second question is about an error in the sizing of the slab insulation. The homes with Slab specified in the Geometry Foundation Type throw up an error as below and crash. ["Could not find value for 'SizingInfoSlabRvalue|{77d4c258-081e-49f1-9e09-0c876511ea51}' with datatype double."] i am not sure if this operation happens on the local computer or the server. If it happens on the server, has there been a change lately to the AMI?

It would be great if anyone can help tide over this problem...

Thanks

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answered 2019-04-24 09:42:55 -0500

shorowit

10931 ●181 ●9 https://www.nrel.gov/b...

With regard to the Geometry House Size parameter, yes, it defines the conditioned/finished floor area and not total floor area. That is commonly how residential buildings are described in real estate, etc. Garage floor area, crawlspace and unfinished basement floor area, unfinished attic floor area, etc. are not included.

The Slab error you're seeing is caused by slab construction measure not being set for buildings with slab foundations. Look at the example Insulation Slab.tsv and note its dependency on the Geometry Foundation Type. When the Foundation Type is Slab, the probabilities for non-None options (e.g., Uninsulated, 2ft R5 Perimeter, R5 Gap, etc.) should add up to 1, while for any other Foundation Type, the probability for the None option should be 1.

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