HVAC Load Calculations Worksheet

HVAC Load Calculations

HVAC Load Calculations Worksheet – HVAC Load Calculator – was designed specifically to accelerate initial design decisions and system selection. The simplicity and unique compactness allows the design engineer to input, change and manipulate multiple HVAC load variations which can be altered and adjusted 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 Load Calculations Worksheets

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, and 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 that the most realistic and accurate computer model of how the building will function in both heating and cooling environments and at different times of the day, week, month or year be used in designing the building’s HVAC systems.

But 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 – 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 come up with mechanical room sizes, access into/out of and overall location within the building.

It’s also at this stage of the design when preliminary decisions can be made by the owner, architect and engineer about the type of systems that will be utilized in the current design. Depending on the total load, the desired system control, the required space setpoints, etc., the type of systems can be narrowed down or possibly even selected. Further information and design considerations on the HVAC Load Calculations Worksheet topic can be found on the HVAC Loads page.

HVAC Load Calculations Worksheet

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