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Pressure differential systems
Stairwell pressurisation companies
Specialists in pressure differential systems keeping smoke out of escape stairs, lobbies and firefighting shafts.
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1M
Nationwide IQP compliance for smoke control and pressurisation.
Maintenance 100+ people Est. 2001 1 officeMechanical smoke extract Stairwell pressurisationAuckland, Auckland View firm -
A400 - Projetistas e Consultores (Fire & Safety Department)
Green By Default
Consultancy 100+ people Est. 1995 2 officesAlarm monitoring Car park ventilation CFD modelling Compartmentation +28 morePorto, Porto · HQ View firm -
Aernova
Smoke extract fans, pressurisation units and fire-resistant ducts.
Manufacturer 21–100 people Est. 1978 1 officeSmoke curtains & barriers Mechanical smoke extract Stairwell pressurisationFermo, Marche View firm -
Aerotight
Stairwell pressurisation and building airtightness testing.
Testing & certification 6–20 people 1 officeStairwell pressurisationYarralumla, Australian Capital Territory View firm -
Air Balance Co.
AABC-certified independent testing and balancing, including smoke control.
Testing & certification 21–100 people 1 officeMechanical smoke extract Stairwell pressurisationCovina, California View firm -
Air Care
Stairwell pressurisation and car park ventilation, installed and commissioned.
Contractor 21–100 people 1 officeCar park ventilation Stairwell pressurisationMolendinar, Queensland View firm -
AirRated
IQP testing and commissioning of smoke control and pressurisation systems.
Testing & certification 6–20 people Est. 2020 1 officeCar park ventilation Mechanical smoke extract Stairwell pressurisationChristchurch, Canterbury View firm -
Big City Balancing
ICB/TABB smoke control systems technicians in New York City.
Contractor 6–20 people 1 officeMechanical smoke extract Stairwell pressurisationNew York, New York View firm -
Bovema
Smoke management design, manufacture, installation and certification.
Contractor 21–100 people 1 officeSmoke curtains & barriers Mechanical smoke extract Natural smoke ventilation Stairwell pressurisationMilano, Lombardia View firm -
Cerbex
Krosno fire-systems contractor making its own smoke-control panels.
Contractor 21–100 people 1 officeMechanical smoke extract Natural smoke ventilation Stairwell pressurisationKrosno, Podkarpackie View firm -
EFPC
Fire, explosion and machine safety engineering.
Consultancy 21–100 people 1 officeCar park ventilation Mechanical smoke extract Natural smoke ventilation Stairwell pressurisationBilthoven, Utrecht View firm -
ExcelAir
Car-park ventilation, RWA and overpressure systems.
Manufacturer 6–20 people 1 officeCar park ventilation Mechanical smoke extract Stairwell pressurisationTiel, Gelderland View firm -
Frapol
Kraków maker of smoke ducts, fire dampers and pressure-differential sets.
Manufacturer 100+ people Est. 1990 3 officesMechanical smoke extract Natural smoke ventilation Stairwell pressurisationKraków, Małopolskie · HQ View firm -
Geary Engineering
Smoke control special inspection to IFC 909 and NFPA 92 Chapter 8.
Consultancy 21–100 people 1 officeMechanical smoke extract Stairwell pressurisationLincoln, Nebraska View firm -
GS
Group SCS
Smoke control contractor covering pressurisation, mechanical, natural and car park ventilation.
Contractor 3 officesCar park ventilation Mechanical smoke extract Natural smoke ventilation Stairwell pressurisationCardiff, Wales · HQ View firm -
HC PS
Certified car-park and stairwell smoke-control ventilation.
Manufacturer 21–100 people 1 officeCar park ventilation Mechanical smoke extract Stairwell pressurisationWaalwijk, Noord-Brabant View firm -
Helios Ventilatoren
Smoke extract fans, impulse fans and pressurisation systems for buildings and car parks.
Manufacturer 100+ people 1 officeCar park ventilation Mechanical smoke extract Stairwell pressurisationVillingen-Schwenningen, Baden-Württemberg View firm -
Integra Testing Services
National TAB and commissioning firm with an ICB/TABB smoke-control certification.
Contractor 100+ people 6 officesMechanical smoke extract Stairwell pressurisationMentor, Ohio · HQ View firm -
Kingspan Light + Air Netherlands
Natural and mechanical smoke and heat exhaust systems.
Manufacturer 100+ people 1 officeCar park ventilation Smoke curtains & barriers Mechanical smoke extract Natural smoke ventilation +1 moreUden, Noord-Brabant View firm -
LFSystems
Active compensated stairwell pressurisation controls.
Manufacturer 6–20 people 1 officeMechanical smoke extract Stairwell pressurisationFort Worth, Texas View firm -
MacDonald-Miller Facility Solutions
Smoke-control and Seattle SC-1 pressurisation testing across the Pacific North West.
Contractor 100+ people 5 officesMechanical smoke extract Stairwell pressurisationSeattle, Washington · HQ View firm -
Mercor Light&Vent
The mcr range of smoke vents, curtains, extract fans and fire dampers.
Manufacturer 100+ people 1 officeCar park ventilation Compartment walls & cavity barriers Fire & smoke dampers Smoke curtains & barriers +3 moreGdańsk, Pomorskie View firm -
NOVENCO Building & Industry
Smoke extraction and pressure-differential ventilation.
Manufacturer 21–100 people 1 officeCar park ventilation Mechanical smoke extract Stairwell pressurisationBergschenhoek, Zuid-Holland View firm -
Rigsbee Engineering
LADBS-deputized smoke control special inspectors in Orange County.
Consultancy 6–20 people Est. 2016 1 officeMechanical smoke extract Stairwell pressurisationTustin, California View firm -
SC
SE Controls
Smoke control and natural ventilation designed, installed and maintained UK-wide.
Contractor 1 officeMechanical smoke extract Natural smoke ventilation Stairwell pressurisationLichfield, England View firm -
SMAY
Differential pressure, smoke ducts, smoke vents and EN 15650 fire dampers.
Manufacturer 100+ people 1 officeCar park ventilation Fire & smoke dampers PFP product manufacture Mechanical smoke extract +2 morePodłęże, Małopolskie View firm -
Sodeca
Girona manufacturer of F400 and F300 smoke extract fans and pressurisation units.
Manufacturer 100+ people 1 officeCar park ventilation Mechanical smoke extract Stairwell pressurisationRipoll, Cataluña View firm -
S&P Sistemas de Ventilación
Barcelona ventilation group; EN 12101-3 jet fans and route pressurisation.
Manufacturer 100+ people 1 officeCar park ventilation Mechanical smoke extract Stairwell pressurisationParets del Vallès, Cataluña View firm -
Strulik
Fire dampers, smoke extraction components and differential-pressure systems.
Manufacturer 100+ people Est. 1975 1 officeFire & smoke dampers PFP product manufacture Mechanical smoke extract Stairwell pressurisationHünfelden, Hessen View firm -
S
Swegon
Home of the Actionair fire and smoke damper range in the UK.
Manufacturer 100+ people 2 officesFire & smoke dampers PFP product manufacture Mechanical smoke extract Stairwell pressurisationAshby-de-la-Zouch, England · HQ View firm -
Systems Commissioning, Inc.
One of two Texas holders of the ICB/TABB smoke-control contractor certification.
Contractor 21–100 people 1 officeMechanical smoke extract Stairwell pressurisationHouston, Texas View firm -
THOMA Brandschutz
Design, installation and maintenance of RWA and stairwell smoke extraction systems.
Installer 21–100 people Est. 1982 1 officeMechanical smoke extract Natural smoke ventilation Stairwell pressurisationGrosselfingen, Baden-Württemberg View firm -
TROX Nederland
Smoke-control dampers and smoke extract fans.
Supplier 21–100 people 1 officeCar park ventilation Mechanical smoke extract Stairwell pressurisationSpijk, Gelderland View firm -
Van Hooft en Partners
Independent smoke-control engineering and RWA design.
Consultancy 6–20 people 1 officeCar park ventilation Mechanical smoke extract Natural smoke ventilation Stairwell pressurisationHeijen, Limburg View firm -
VT
Vent Trade
Independent smoke ventilation commissioning and compliance testing UK-wide.
Contractor 100+ people Est. 1988 1 officeCar park ventilation Mechanical smoke extract Natural smoke ventilation Stairwell pressurisationPoole, England View firm -
Wildeboer Bauteile
Family manufacturer of fire and smoke dampers, air distribution and acoustic components.
Manufacturer 100+ people Est. 1939 3 officesFire & smoke dampers PFP product manufacture Mechanical smoke extract Stairwell pressurisationWeener, Niedersachsen · HQ View firm -
Zari Consulting Group
Smoke-control design and special inspection led by licensed fire protection engineers.
Consultancy 21–100 people 5 officesMechanical smoke extract Natural smoke ventilation Stairwell pressurisationPetaluma, California · HQ View firm -
ZLT Lüftungs- und Brandschutztechnik
Fire dampers, fire-rated ventilation ducts and pressurisation systems.
Manufacturer 1 officeFire & smoke dampers PFP product manufacture Stairwell pressurisationJahnsdorf, Sachsen View firm - Don't see your firm? Add it to the directory for free →
- Ventilation factor →
- Maximum volumetric flow rate →
- Minimum separation distance between exhaust vents →
- Volumetric flow rate from mass flow rate (smoke exhaust) →
- Limiting average air velocity for opposed air flow | Room of fire origin to large volume →
- Limiting average air velocity for opposed air flow | Fire in large volume to adjoining room →
- Limiting average air velocity for opposed air flow | Room of fire origin to corridor →
- Hot Gas Temperature Increase (MQH Method) →
- Hot Gas Temperature Increase (Beyler Method) →
- Nondimensional Hot Gas Temperature Increase →
- Hot Gas Temperature Increase (Steady State) →
- Height of Smoke Layer Interface (Natural Ventilation) →
- Pressure difference due to stack effect →
- Pressure difference between fire compartment and surroundings →
- Wind pressure →
- Piston effect pressure difference →
- Effective area of elevator shaft →
- Door opening force →
- Height limit for pressurization →
- Flow area factor →
- Stairwell temperature →