New application predicts IAQ and thermal comfort ratings before you construct

The Centre for Computational Technologies (CCTech) has announced the commercial release of Autonomous HVAC CFD (AHC 2023).

Powered by computational fluid dynamics and artificial intelligence technologies, AHC 2023 empowers indoor environmental consultants and HVAC professional engineers with a powerful tool for designing optimum HVAC solutions for their end customers. The AHC app is a cutting-edge solution for assessing occupant thermal

comfort and IAQ.AHC 2023 can assess results in the early building design stage based on design inputs such as building layout, enclosure specification, mechanical systems details, people occupying the space, date/time and activity.

The AHC app does not require any CFD expertise and can be used by any HVAC professional. It's a browser-based web app and does not require any installation. The app brings a "Pay As You Go" pricing model to the industry, which means users pay only for how much credits they consume for a project.

For the HVAC engineer, thermal comfort and indoor air quality are two inter-dependent metrics that rank highly in occupant complaints. Thermal comfort is highly dependent on architecture, enclosures and interior designs, contributing to solar/radiant loads, radiant asymmetry, humidity, drafts and stratification. Mechanical system types selected to compensate for their shortcomings will influence air velocity and relative humidity, and operative temperature. Indoor air quality is partly influenced by enclosure performance, contributing to moisture problems, interior finishes for VOC emissions, particle generation and occupants as a source of CO_2, microbial and odors. Bad indoor air quality has many adverse health effects, including respiratory illnesses, heart disease and cancer.

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