HVAC Load Calculations Worksheet specifically accelerates initial design decisions and system selection. The simplicity and unique compactness allows the design engineer to input, change, and manipulate multiple HVAC load variations on the spot, with the output immediately available on screen. The output is a one-page form showing all the pertinent data and design conditions needed to accurately select the proper heating, ventilating, and air-conditioning equipment to satisfy the space conditions.
Other HVAC Worksheets
Not only are there are many HVAC Load Calculations Worksheets on the market that are highly specialized, require an extreme amount of data input, produce large quantities of output, are very accurate in terms of HVAC loads, but they are usually quite expensive. These programs are often necessary when it comes time to perform the actual equipment sizing, selection, and specification. A design engineer who doesn’t spend the time manipulating wall construction, roof construction, occupancies, equipment loads, and lighting configurations would not be providing the building owner with professional service. It is imperative to use the most realistic and accurate computer model in designing the building’s HVAC systems. This will determine how the building will function in both heating and cooling environments and at different times of the day, week, month, or year.
Stages
However, there are times when this accuracy and time/effort investment are not fiscally reasonable. For example, in the early stages of the design process, when the owner, architect, and engineer are meeting to determine the best course of design to pursue, it is important to understand the impact of the HVAC system on the overall design especially as it relates to space requirements. It becomes convenient to have a method, such as the HVAC Load Calculations Worksheet, by which the engineer can estimate these space requirements by quickly sizing the equipment required based on the current architectural design and extrapolating out to determine mechanical room sizes, access into/out of, and overall location within the building.
At this stage of the design, the owner, architect, and engineer make preliminary decisions and select the type of system depending on the total load, the desired system control, the required space setpoints, etc. Further information and design considerations on the HVAC Load Calculations Worksheet topic are available on the HVAC Loads page.
HVAC Load Calculations Worksheet
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