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Modeling tool helps compare options for HVAC systems when little known about a building

Codes and Standards

Modeling tool helps compare options for HVAC systems when little known about a building

Compares projected costs and energy usage for all HVAC systems and hot water consumption.


By Peter Fabris, Contributing Editor | January 25, 2022
Commercial building

Courtesy Pixabay

Version 6.0 of the Building Efficiency System Tool (BEST), a commercial building HVAC system efficiency comparison application, is now available.

The Hydronic Industry Alliance-Commercial (HIA-C), a committee of the Radiant Professionals Alliance (RPA), recently released the update that helps compare options for HVAC systems at an early design stage when little information is known about the building. The tool can compare projected costs and energy usage for all HVAC systems and hot water consumption in any building “based on what is known before money is spent on selecting the HVAC and water heating systems, and (at a stage when) almost all inputs may be adjusted once the design process begins,” according to a news release.

The tool can model multiple heating and cooling sources including all electric systems using cascaded heat pumps and backup sources. “With the trend to all-electric solutions—including cascading heat pump systems—BEST is able to quickly and easily compare these innovative ideas,” says Greg Cunniff, P.E., director of Applied Solutions for Williams Comfort Products. “Legacy modeling software currently has a difficult time comparing these new ideas.”

The revised tool is available at no charge at: http://forms.iapmo.org/hiac/software_register.aspx

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