The Science of ComfortTM
In the HVAC industry, an application-specific controller is a device that comes preprogrammed with a sequence of operations for the equipment it’s intended to control. This could be anything from a boiler or air handler to a rooftop unit or terminal unit.
Topics: Terminals, Controls, HVAC Fundamentals, HVAC, Engineering
In many commercial HVAC systems, engineers pair VAV boxes, fan-powered boxes and fan coils with duct silencers to meet the acoustical requirements of a space. While all the components are tested to industry standards – AHRI 880 and AHRI 260 for terminal units and fan coils and ASTM E477-20 for silencers – the combination of these two categories in real-world installations isn’t always straightforward.
Topics: Noise Control, HVAC Silencers, Pressure Drop, Velocity Profile, Terminals, HVAC, Engineering, Design Engineering
Air-to-water heat pump systems are highly efficient HVAC solutions, but optimizing their performance depends on addressing key factors – most notably, the hot water supply temperature (HWST). And when these heat pumps are paired with a VAV distribution system, it’s especially critical to select the correct coil configuration.
Topics: Pressure Drop, Terminals, System Efficiency, HVAC Fundamentals, HVAC, Engineering, Design Engineering
In the HVAC industry, we’re seeing the trend toward decarbonization and electrification affect the built environment more and more every year. It is therefore critical to improve HVAC system performance through better design, selection and control.
Topics: GRD, Diffusers, Pressure Drop, Terminals, HVAC Fundamentals, HVAC, Engineering, Design Engineering
As we discussed in our last blog post, single-duct VAV systems with hydronic reheat are one of the most popular commercial HVAC air distribution systems in North America. These systems provide heating, cooling and ventilation by regulating airflow and hot water.
Topics: Terminals, HVAC Fundamentals, HVAC, Engineering, Design Engineering
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