The Science of ComfortTM
For years, studies have linked healthy environments in schools with improved educational outcomes for students. We’ve seen that indoor air quality has a major impact on health, performance and attendance and that quiet classrooms improve academic performance, reduce stress and encourage better behavior.
Topics: Acoustics, Displacement, Thermal Comfort, HVAC Fundamentals, HVAC, Engineering, Design Engineering, ASHRAE 62
For applications in climates that require a significant amount of heating, owners, engineers and contractors often wonder if chilled beams are an appropriate choice for their projects. Since the “chilled” part of the chilled beam name only specifies cooling, can you also produce heat with a chilled beam?
Topics: Beams, Induction, Thermal Comfort, HVAC Fundamentals, Engineering, Design Engineering
Sound-power and sound-pressure levels are used to catalog acoustical performance for terminal units. The sound performance of a terminal unit is crucial when considering the comfort of occupants within a space. For example, some places have an open-ceiling design and are well suited to quiet units to minimize distracting noises.
Topics: Acoustics, Noise Criteria, Terminals, HVAC Fundamentals, HVAC, Engineering, Design Engineering
BACnet stands for building automation and control networks. This data communication protocol is widely used around the world with HVAC, lighting and even security systems within buildings. BACnet is an open-source protocol form of communication that allows BACnet devices to talk with one another on a building network. BACnet was developed by ASHRAE to promote the use of open protocol as opposed to the proprietary protocols that once dominated in the industry.
Topics: Controls, HVAC Fundamentals, HVAC, Engineering, ASHRAE
Open-ceiling spaces are becoming increasingly popular, especially in the architectural industry. Aside from providing a feeling of spaciousness and a contemporary aesthetic, the absence of a ceiling grid or drywall also simplifies coordination and allows for more flexibility with ceiling fixtures. But can chilled beams be used in these open-ceiling spaces? As is the case with other air diffuser products, the answer is yes – but with one simple addition.
Topics: Beams, HVAC Fundamentals, HVAC, Engineering, Design Engineering, Architecture
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