The Science of ComfortTM
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
Maintaining a pressure relationship between a target and reference space provides control over the direction of air leakage that occurs between the spaces. Controlling the direction of this “transfer air” helps to prevent the migration of unwanted particles, which can directly impact occupants and products in or near such spaces.
Topics: HVAC Fundamentals, HVAC, Engineering, Design Engineering
The original intention of the Price Engineer’s HVAC Handbook was to create a “polished compilation” of existing design guides and examples from the Price Catalog. In typical Price fashion, we dedicated more than 20,000 internal hours over the course of two years to create an industry-first reference guide on air distribution – complete with 1,350 pages and more than 3,000 illustrations.
Topics: System Efficiency, Heat Transfer, Psychrometrics, Thermal Comfort, HVAC Fundamentals, HVAC, Engineering, Design Engineering, Handbook
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