The Science of ComfortTM
The United States Environmental Protection Agency (EPA) defines a high performance school as energy and resource efficient. Creating a high performance school is not difficult, but it requires an integrated, “whole building” approach from the beginning of the design process.
Topics: LEED for Schools, Beams, Displacement, System Efficiency, HVAC Fundamentals, HVAC, Engineering, Design Engineering
Displacement ventilation provides low velocity air at around 65°F that relies on buoyancy forces to drive the air motion. Supply air spreads across the floor until encountering thermal plumes from heat sources that naturally drive the clean, conditioned air up through the breathing zone. Heat and particulate are carried up to high-level return or exhaust grilles instead of getting recycled through the space. The result is high ventilation effectiveness and improved thermal comfort delivered in an energy efficient manner.
Topics: Displacement, Thermal Comfort, HVAC Fundamentals, HVAC, Engineering, Design Engineering, Tech Tip
The future of commercial office design faces a number of challenges, including a shift away from densely occupied open office concepts and a heightened concern for occupant health. North America continues to adopt newer energy codes that task design firms to further reduce energy consumption. In addition, indoor air quality (IAQ) has arguably become a principal element of building design.
Although several air distribution systems can be designed to succeed at both of these elements, underfloor air distribution (UFAD) offers significant flexibility and IAQ improvements over traditional air distribution approaches. While the interior zone design has changed little over the years, the perimeter offering has evolved significantly.
Topics: Underfloor, Thermal Comfort, HVAC Fundamentals, HVAC, 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
Learn the basics of indoor lighting, including how to compare various forms of lighting with specific quantitative metrics, as well as how to apply lighting in operating rooms and cleanrooms in an efficient manner while meeting code requirements.
Topics: HVAC Fundamentals, HVAC, Engineering, Design Engineering, Engineering Update, Critical Environments, Lighting
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