Chapter 8

HVAC Cooling and Heating Load Analysis

Accurate modeling of the design building is essential in designing and sizing an energy-efficient HVAC system for today's market. The majority of 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, DOE-2, or Carrier's Hourly Analysis Program (HAP).

Although these programs are essential to you, the mechanical designer, for equipment sizing, setting up the building accurately within these programs often can be a tedious task. Each space is set up individually, and typically the physical layout and use of each space will be different. Alterations to the building design or space usage by the architect ...

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