Ultra-low particulate air

For the model law, see Uniform Limited Partnership Act.

ULPA is an acronym for "Ultra Low Penetration Air (filter)" An ULPA filter can remove from the air at least 99.999% of dust, pollen, mold, bacteria and any airborne particles with a size of 100 nanometres (0.1 µm) or larger.

A number of recommended practices have been written on testing these filters, including:^[1]

IEST-RP-CC001: HEPA and ULPA Filters,
IEST-RP-CC007: Testing ULPA Filters,
IEST-RP-CC022: Testing HEPA and ULPA Filter Media, and
IEST-RP-CC034: HEPA and ULPA Filter Leak Tests.

References

↑ "IEST Recommended Practices". IEST. 2007-12-03. Retrieved 2008-01-14.

External links

Heating, ventilation and air conditioning

Fundamental concepts	Air changes per hour Building envelope Convection Dilution Domestic energy consumption Enthalpy Fluid dynamics Gas compressor Heat pump and refrigeration cycle Heat transfer Humidity Infiltration Latent heat Noise control Particulates Psychrometrics Sensible heat Stack effect Thermal comfort Thermal destratification Thermodynamics Vapor pressure of water

Technology	Absorption refrigerator Air barrier Air conditioning Antifreeze Automobile air conditioning Autonomous building Building insulation materials Central heating Central solar heating Chilled beam Chilled water Constant air volume (CAV) Coolant Dedicated outdoor air system (DOAS) Deep water source cooling Demand-controlled ventilation (DCV) Displacement ventilation District cooling District heating Electric heating Energy recovery ventilation (ERV) Forced-air Forced-air gas Free cooling Heat recovery ventilation (HRV) Hydronics HVAC Ice storage air conditioning Kitchen ventilation Mixed-mode ventilation Microgeneration Natural ventilation Passive cooling Passive house Radiant cooling Radiant heating Radon mitigation Refrigeration Renewable heat Room air distribution Solar air heat Solar combisystem Solar cooling Solar heating Thermal insulation Thermal mass Thermal wheel Underfloor air distribution Underfloor heating Vapor barrier Vapor-compression refrigeration (VCRS) Variable air volume (VAV) Variable refrigerant flow (VRF) Ventilation

Components	Air conditioner inverter Air door Air filter Air handler Air ionizer Air-mixing plenum Air purifier Air source heat pumps Back boiler Barrier pipe Blast damper Boiler Centrifugal fan Chiller Condensate pump Condenser Condensing boiler Convection heater Cooling tower Damper Dehumidifier Duct Durable elbow support Economizer Electrostatic precipitator Evaporative cooler Evaporator Exhaust hood Expansion tank Fan coil unit Fan heater Fire damper Fireplace Fireplace insert Firestop Freeze stat Flue Freon Fume hood Furnace Furnace room Gas compressor Gas heater Geothermal heat pump Grease duct Grille Ground-coupled heat exchanger Heat exchanger Heat pipe Heat pump Heating film Heating system High efficiency glandless circulating pump High-efficiency particulate air (HEPA) High pressure cut off switch Humidifier Hybrid heat Infrared heater Inverter compressor Louver Mechanical fan Mechanical room Oil heater Packaged terminal air conditioner Plenum space Pressurisation ductwork Radiator Radiator reflector Recuperator Refrigerant Register Reversing valve Run-around coil Scroll compressor Solar chimney Solar-assisted heat pump Space heater Smoke exhaust ductwork Thermal expansion valve Thermal wheel Thermosiphon Thermostatic radiator valve Trickle vent Trombe wall Turning vanes Ultra-low particulate air (ULPA) Whole-house fan Windcatcher Wood-burning stove

Measurement and control	Air flow meter Aquastat BACnet Blower door Building automation Clean Air Delivery Rate (CADR) Gas sensor Home energy monitor Humidistat HVAC control system Intelligent buildings LonWorks Minimum efficiency reporting value (MERV) OpenTherm Programmable communicating thermostat Programmable thermostat Psychrometrics Room temperature Smart thermostat Thermostat Thermostatic radiator valve

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Industry organizations	ACCA AMCA ASHRAE ASTM International BRE BSRIA CIBSE LEED SMACNA

Health and safety	Indoor air quality (IAQ) Passive smoking Sick building syndrome (SBS)

See also	ASHRAE Handbook Building science Fireproofing Glossary of HVAC terms Template:Home automation Template:Solar energy

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Ultra-low particulate air

See also

References

External links