I have a building that is using water source heat pumps for cooling and heating. They are connected to a 2 pipe campus source water loop that has a boiler on the heat addition pipe and a cooling...

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I wonder of modeling CAV system in Baseline System type 9. My proposed building is storage with thermostat setpiont 12 C ( 54 F) with natural ventilation.

I have 2...

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  Looking for additional clarification on on modeling HM doors on the perimeter of the building. The opaque doors are not labelled and therefore considering to use the following U-...

Michael Brown Energy Analyst & Energy Systems Design Engineer HKS LEEDuser Expert 9 thumbs up September 25, 2019- 6:17 pm I believe your referring to this post correct?  https://leeduser.buildinggreen.com/forum/building-area-method-interior-lpd This post on Energy Models.com my be useful (its a LONG feed, so I've summarized below) http://energy-models.com/forum/energy-modeling-software/equest/leed-title-24-ashrae-901/building-area-method-ashrae-901 There will be a small time savings in Baseline model creation by not determining and entering space-by-space power usage into the model. 90.1's wording about "...if a lighting design...

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Many of our buildings are connected to...

We are working on a large hotel, and are concerned with the "Modeled...

G3.1.3.11 states: “The heat rejection device shall be an axial fan cooling tower with two-speed fans, and shall meet the performance requirements of Table 6.8.1G.”

In Table 6.8.1G I see...

I have a college dormitory with 4" face brick, R7.5 ci, 6" metal stud on 16" centers, r19 closed cell spray foam and 5/8" gypsum. Per 90.1 Table A3.3 my u-value would be 0.06. This seems high and...

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I am modeling a baseline system No. 6 - Packaged...

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We're working on a LEED v4 NC project in Mexico.
I am referring to Exceptions to 9.4.1.2b of standard ASHRAE 90.1-2010, where the automatic lighting shutoff control can be...