The Science of ComfortTM
High-efficiency particle air filters, or HEPA filters, are used for air filtration where room particulate control is of the utmost importance, including in cleanrooms, laboratories, pharmaceutical compounding facilities, protective environment isolation rooms and airborne infectious isolation rooms.
Topics: Outlet Conditions, System Efficiency, HVAC, Engineering, Design Engineering, Training, Engineering Update, Critical Environments, Filtration
Air filters are an essential part of any HVAC system to remove particulates in the supply air that would otherwise be harmful to the building occupants, or build up in the ductwork or equipment. They are also an essential part of air moving devices such as terminal units, fan coils and air handlers as they remove dirt that would otherwise cause coil blockages and fan wheel imbalances.
Topics: Terminals, System Efficiency, HVAC Fundamentals, HVAC, Training, Handbook, Engineering Update, Critical Environments
Airborne infectious isolation rooms (AIIRs) are used for patients with easily communicable airborne diseases. When there is a shortage of AIIRs, existing patient rooms (or hotel rooms in temporary care facilities) can be converted to negative pressure isolation rooms. Price Fan Filter Units (FFUs) can be used in three configurations to retrofit these existing spaces.
Topics: HVAC, Engineering, Design Engineering, Training, Tech Tip, Catalog, Engineering Update, Critical Environments, Filtration
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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