The Science of ComfortTM
Labs use significant amounts of energy due to their makeup air requirements driven by the air changes needed to protect lab personnel from exposure to airborne hazards. There is currently a big push in the industry to improve energy efficiency and decarbonize lab facilities. One way to do this is to scrutinize air change rate requirements by relying less on established rules of thumb and more on analysis based on the unique needs of the facility.
Topics: HVAC, Engineering, Design Engineering, Tech Tip, CFD
In the world of HVAC, an airflow transducer is a device that converts an airflow signal into an electronic signal for a VAV controller to regulate a damper and provide airflow to a space.
Topics: Static Pressure, Terminals, Controls, Thermal Comfort, HVAC Fundamentals, HVAC, Engineering, Design Engineering, Tech Tip
A single-duct system is an HVAC configuration that divides a commercial building into multiple zones, each with its own temperature control. This enhances occupant comfort, ensures the zones are provided with the correct volume of outdoor air for ventilation and allows the total building to operate efficiently.
Topics: Terminals, Controls, HVAC Fundamentals, HVAC, Engineering, Design Engineering, Tech Tip
In the meticulous realm of cleanroom environments, controlling air quality is paramount. Price Industries’ Fan Filter Units (FFUs) offer a comprehensive array of control options for permanent split capacitor (PSC) and electronically commutated (EC) motors to ensure optimal performance, efficiency and convenience.
Topics: Controls, HVAC Fundamentals, HVAC, Engineering, Design Engineering, Tech Tip, Critical Environments
There is a misconception that VAV diffusers are noisy, but a review of their performance data shows that they have a pressure versus noise relationship similar to that of all diffusers. The difference is that VAV diffusers have a built-in VAV damper and can close to a minimum, possibly building up pressure in the system. It is the higher pressure that makes diffusers noisy, and because of this, a method of pressure control should be used in every VAV diffuser system.
Topics: Diffusers, Pressure Drop, HVAC Fundamentals, HVAC, Engineering, Design Engineering, Tech Tip
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