The Science of ComfortTM
Air distribution is a necessary part of any well-designed indoor space. The HVAC system is used not only to provide heating and cooling in our buildings but also as a source of fresh, clean air. In the case of highly architectural spaces, how can air distribution be effectively integrated into the built environment without negatively impacting the overall appearance and feel of the architectural design?
Topics: GRD, Diffusers, HVAC, Engineering, Design Engineering, Architecture
A variable air volume (VAV) diffuser is essentially a ceiling diffuser with a built-in VAV damper and thermostat. Despite its simplicity, this device comes with many benefits and is an effective way to create small-zone comfort for building occupants.
Topics: GRD, Diffusers, Thermal Comfort, HVAC Fundamentals, HVAC, Engineering, Design Engineering
Smudging is more commonly known among First Nations as a ceremonial burning of one or more medicines gathered from the earth. In the world of HVAC, smudging is a term used to describe dirt being deposited on the ceiling around a supply diffuser, a common problem in all types of buildings.
Topics: GRD, Diffusers, HVAC Fundamentals, HVAC, Engineering, Design Engineering, Tech Tip
High performance air systems demand modern design approaches with leading-edge
products and technology in order to optimize comfort and reduce energy consumption. A
comfortable environment is achieved by providing the smallest possible zones of temperature
control, allowing for individual temperature distribution and better air movement. Reduction
in energy is realized by designing a low-pressure HVAC system that allows for maximum
turn-down while maintaining temperatures.
Topics: GRD, Diffusers, Static Pressure, Pressure Drop, Thermal Comfort, HVAC Fundamentals, HVAC, Engineering, Design Engineering
Designing a ventilation system for a swimming pool can be tricky. For occupant comfort, these facilities require 40 to 60% relative humidity to be maintained year round. For swimmers, a humidity range of 50 to 60% is most comfortable. However, humidity levels below 50% can significantly increase energy consumption, while humidity levels above 60% can cause damage due to mold, mildew and condensation.
Topics: GRD, Grilles, Thermal Comfort, HVAC Fundamentals, HVAC, Engineering, Design Engineering, Training, Tech Tip, Handbook, ASHRAE 62, Engineering Update
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