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HvAC Cooling and Heating Load Analysis Revit mep

When selecting and designing HVAC systems that will serve a particular building, modeling the building accurately is one of the key criteria in getting it right. The majority of your time during the mechanical design phase of a project can be spent on correctly modeling the building in a load-simulating program, such as Trane TRACE 700 or Carrier′s Hourly Analysis Program (HAP).
Although these programs are essential to you, the mechanical designer, setting up the building accurately within these programs often can be a tedious task. Each space is set up individually, and typically the physical construction and use of each space will be different.
Alterations to the building design or space usage by the architect during this phase will cause you to return to any previously modeled spaces and coordinate the necessary changes. This is very time-consuming and can often be a point of contention between disciplines when changes occur later in the design phase.
Revit MEP enables you to model the building spaces accurately, as well as quickly and efficiently track any building design and construction changes on the fly, all within the project file.
Revit MEP also gives you the option either to model the HVAC loads within the program itself or to export the space load data via a gbXML file to an external simulation software program.
An addition to this workflow in Revit MEP 2012 is the ability to analyze the mass model (a tool previously available only to subscription customers).
In this chapter, you will learn to do the following:
Prepare your Revit MEP model for analysis •u
Perform heating and cooling analysis with Revit MEP 2012 •u
Export gbXML data to load-simulating software

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