Products
- Intermittent Extract Fans
  - View the Full range
  - Samika LE100
    Samika LE100
    Samika is unlike anything else on the market and is also designed with Greenwood SMART Technology.
    Find out more
  - Samika LE150
    Samika LE150
    Samika is a low energy adaptive extraction for kitchens and utility rooms. It is fitted with the latest SMART Greenwood technology that has many benefits such as TimerSMART and HumidiSMART.
    Find out more
  - Select 100
    Select 100
    Select 100 is a classically styled bathroom extractor fan range designed to comply with current Building Regulations. A range of options and models are available including pull cord, timer, humidistat, remote switch and SELV extra low voltage.
    Find out more
  - Select 150
    Select 150
    Suitable for kitchens and utility rooms, Select 150 provides 60 l/s airflow performance in line with Building Regulations and the range includes single and dual speed options with pull cord and integral humidity and timer controls.
    Find out more
  - Omnique OF100
    Omnique OF100
    Omnique is an unique fan, one which can be applied to each and every application in a home from one single unit - the only fan of it's kind!
    Find out more
  - Elite 100
    Elite 100
    This robust fan has been modelled to provide extra security with its high quality electronic shutter which reduces heat loss when the fan isn't operating.
    Find out more
  - Elite 150
    Elite 150
    Elite 150 offers 60 l/s airflow performance and is ideal for refurbishment programmes. Available in four models with varying control options. Designed with electronic shutters to eliminate heat loss and external noise when the fan isn't operating.
    Find out more
  - SF90
    SF90
    A modern design for discreet styling, the SF90 is a continuously running model for the whole house equipped with washable filter for optimal fresh air.
    Find out more
  - RF90
    RF90
    Recessed 100mm high performance centrifugal fan for bathroom and WCs with a range of control options including pull cord, timer, delay timer and humidistat. Integral grease filter as standard.
    Find out more
  - P Fan
    P Fan
    The P Fan is one of the intermittent fan range's longest serving members. Launched in 1970, this two room ventilation fan continues to replace existing installations and is ideal where bathroom and WC rooms are located next to each other.
    Find out more
  - Silent Shower Kit
    Silent Shower Fan Kit
    Silent shower kit offers 70% less noise that standard fans. Available as a replacement induct fan only or as part of a kit with ducting, grilles and light. Choice of control and light options. Aesthetically pleasing finish.
    Find out more
  - Silent Wall Fan
    Silent Wall Fan
    The range of silent fans offer very quiet operation which is typically 70% less noise than standard fans! Available in 100mm or 4" with a range of control options.
    Find out more
  - Halo
    Halo
    High performance luxury fan suitable for internal bathrooms, WCs or installations above showers.
    Find out more
- Continuous Extract / dMEV
  - View the Full range
  - Unity CV2
    CV2GIP
    Widely specified dMEV continuously running extract fan suitable for all wet rooms. Can be installed in wall and ceiling applications. Low running noise. Complies with System 3 in the Building Regulations.
    Find out more
  - Unity CV3
    Unity CV3
    BRAND NEW - The next generation of low energy extractor fan. Including SMART Technology and the first ever with Contactless Technology for simple set up and real time data logging from installed environment.
    Find out more
  - Omnique OF100
    Omnique OF100
    Omnique is a multifunctional fan offering intermittent ventilation for bathrooms and kitchens from one single unit. With excellent pressure handling, Omnique easily complies with System 1 and System 3 of the Building Regulations.
    Find out more
- Commercial
  - View the Full range
  - CDGL
    CDGL
    Commercial Window Fan available in 6",9" and 12" models. Suitable for glazing thickness up to 32mm and wall panels of 360mm. Switches and remote sensor options available.
    Find out more
  - CDWA
    CDWA
    Commercial wall fan available in three different models and suitable for wall installations up to 380mm. Reversible supply or extract with variable speed operation and a range of switching and sensor option.
    Find out more
  - CDRE
    CDRE
    Refurbishment commercial wall fan available in various models and design to replace many products easily without further drilling or plugging.
    Find out more
  - CDCK
    CDCK
    Commercial ceiling fan available in 3 different sizes designed with thermo-actuated backdraught shutters and a picture frame adaptor for retro-fit applications.
    Find out more
  - CDPR
    CDPR
    Commercial pitched roof fan available in three different models with picture frame adaptor for retro-fit installations.
    Find out more
  - CDFR
    CDFR
    Eco flat roof fan, available in three different models offering reversible supply or extract and variable speed operation.
    Find out more
  - SD
    SD
    High performance Superduct centrifugal induct fan designed to complement both domestic and commercial fan ranges.
    Find out more
  - Sensors & switches
    Sensors & switches
    Range of integral and remote sensors and switches
    Find out more
  - Accessories
    Accessories
    Designed to provide ventilation to a wide range of commercial buildings including pubs, restaurants and kitchens. Eco fan models are available for a variety of installation applications and are suitable for new and replacement projects.
    Find out more
- MVHR
  - View the Full range
  - Vireo HR155CM
    Vireo HR155CM
    Vireo. A heat recovery range designed to enable better, easier specification of ventilation in new housing.
    Find out more
  - Vireo HR155WM
    Vireo HR155WM
    Vireo. A heat recovery range designed to enable better, easier specification of ventilation in new housing.
    Find out more
  - Vireo HR185WM
    Vireo HR185WM
    Vireo. A heat recovery range designed to enable better, easier specification of ventilation in new housing.
    Find out more
- MEV
  - View the Full range
  - CMEV.4e/CMEV.4eHT
    CMEV.4e/CMEV.4eHT
    CMEV is a whole house central extract unit that continuously extracts from all of the wet rooms in a property and works in conjunction with background ventilators to comply with System 3 of the Building Regulations as laid out in ADF: 2010.
    Find out more
- Positive Input Ventilation PIV
  - View the Full range
  - PP1LOFT EP/H
    PP1LOFT EP/H
    The PP1LOFTEP/H is a discreet ventilation unit designed to be installed out of sight in the loft – no nuisance running noise in the home.
    Find out more
  - PP2FLAT/H
    PP2FLAT/H
    The PP2FLAT positive pressure unit is suitable for apartments and houses that do not have access to a loft.
    Find out more
- Acoustic
  - View the Full range
  - AAB
    AAB
    The classic acoustic airbrick is suitable for new build and refurbishment applications.
    Find out more
  - MA3051
    MA3051
    Highest performing acoustic wall ventilator in the UK - the MA3051 is ideal for new build applications where noise planning restrictions are in place.
    Find out more
  - AWV39
    AWV39
    The AWV39 passive wall ventilator is suitable for new build and refurbishment projects and provides an excellent acoustic attenuation to 39dB(A).
    Find out more
  - EAR42W
    EAR42W
    EAR42W is an acoustic window vent suitable for new build and refurbishment and can be applied to most window profiles with add on sections.
    Find out more
  - DN Vent
    DN Vent
    DN Vent provides 37dB acoustic attenuation and provides 1400mm2 equivalent area.
    Find out more
  - 2500EA/5000EA
    2500EA/5000EA
    2500EA and the 5000EA equivalent area vents are the smallest acoustic window vents on the market and achieve the best acoustic performance for window ventilators in the UK.
    Find out more
- Window Vents
  - View the Full range
  - S Vent
    S Vent
    Standard Through Frame Slotvent available in 3 sizes offering up to 4200mm2 equivalent area.
    Find out more
  - F Vent
    F Vent
    F Vent is a slimline through frame slotvent offering an innovative clip-fit installation option which can dramatically reduce installation time.
    Find out more
  - L Vent
    L Vent
    Vent is a the slimmest window vent in the range utilising a small 10mm rout and is suitable for profiles within limited space.
    Find out more
  - D Vent
    D Vent
    D Vent is a shutter style through frame slotvent available in 2 models with options for window profile and overframe system installation.
    Find out more
  - HD Vent
    HD Vent
    HD Vent is a shutter style slotvent offering high equivalent area performances from two models and is available in a range of colours.
    Find out more
  - 5000EA
    5000EA
    Smallest slotvent on the market to offer 5000mm2 Equivalent Area from one single unit.
    Find out more
  - GB Vent
    GB Vent
    GB or Gas Board Vent is designed to provide ventilation for combustion environments and conforms to BS 5440 - Part 2: 2000.
    Find out more
  - Recess Flyscreens, External Grilles & Sleeves
    Recess Flyscreens, External Grilles & Sleeves
    External slotvent ancillaries
    Find out more
  - Bar Carrier
    Bar Carrier
    PVC Glazed in option available for a range of window profiles and sizes.
    Find out more
- Ancillaries & Ducting
  - View the Full range
  - ComfoTube
    ComfoTube
    ComfoTube is a range of high performance, semi-rigid duct ideal for use with MVHR installations.
    Find out more
  - Flat 51
    Flat 51
    High Performance Semi-Rigid Duct designed for use with MVHR systems and ideal for apartments and houses where void space is very limited.
    Find out more
  - ComfoPipe & ComfoPipe Plus
    ComfoPipe & ComfoPipe Plus
    Airtight, rigid ducting system for use on intake and exhaust air ports.
    Find out more
  - ComfoPipe Plus Twin Duct
    ComfoPipe Plus Twin Duct
    Low profile ducting system which employs a combination of axial and radial sealing to ensure a strong, airtight connection.
    Find out more
  - GD Ducting
    GD Ducting
    The GD ranges of modular PVC ducting are suitable for installation with whole house ventilation systems such as MEV central extract and MVHR heat recovery ventilation.
    Find out more
  - Steel Ducting
    Steel Ducting
    Steel spiral wound galvanised ducting offers a robust ancillary option for whole house ventilation systems, especially ideal for whole house heat recovery.
    Find out more
  - Flexiduct
    Flexiduct
    Flexible ducting is a lightweight option and is suitable for installation with extractor fans and, typically, intermittent ventilation.
    Find out more
  - Fastfix/Easyfix Ducting
    Fastfix/Easyfix
    The Easy Fix and Fast Fix Ducting Systems have been designed with installers in mind and offer quick, easy and effective installation of extractor fans in new build and refurbishment applications.
    Find out more
  - PIV Ducting
    PIV Ducting
    Modular PVC, rectangular ducting system, specifically sized to fit with PP2FLAT range of PIV units.
    Find out more
  - Acoustic
    Acoustic
    For use with ventilation systems where additional acoustic protection is required.
    Find out more
  - Fire Dampers
    Fire Dampers
    A range of sleeves and collars to suite vertical or horizontal application and designed to protect ventilation duct that passes through fire rated ceilings or walls made from brick, block, hollow plaster board or concrete.
    Find out more
  - Electric Post Heaters
    Electric Post Heaters
    Use in conjunction with heat recovery ventilation.
    Find out more
  - External Terminals
    External Terminals
    A comprehensive range of wall baffles, grilles and cowls to suite all building styles and ventilation requirements.
    Find out more
  - Filters
    Filters
    A range of multi-grade filters for optimised comfort and performance.
    Find out more
  - Valves
    Valves
    A large range of supply and extract valves for multiple applications.
    Find out more
  - Sealants, tapes & clips
    Sealants, tapes & clips
    Fixing and sealing ancillaries for multiple applications.
    Find out more
  - Window Kits
    Window Kits
    The only one of it's kind which offers the safest option for window fan installations and is intruder proof - design in conjunction with Social Landlords.
    Find out more
  - Additional Ancillaries
    Additional Ancillaries
    Complete your system requirements with our comprehensive portfolio.
    Find out more
- Controls
  - View the Full range
  - Controls
    Controls
    Easy to use controls range.
    Find out more
Services
Info centre
News Updates
Company

Products
- Intermittent Extract Fans
  - View the Full range
  - Samika LE100
    Samika LE100
    Samika is unlike anything else on the market and is also designed with Greenwood SMART Technology.
    Find out more
  - Samika LE150
    Samika LE150
    Samika is a low energy adaptive extraction for kitchens and utility rooms. It is fitted with the latest SMART Greenwood technology that has many benefits such as TimerSMART and HumidiSMART.
    Find out more
  - Select 100
    Select 100
    Select 100 is a classically styled bathroom extractor fan range designed to comply with current Building Regulations. A range of options and models are available including pull cord, timer, humidistat, remote switch and SELV extra low voltage.
    Find out more
  - Select 150
    Select 150
    Suitable for kitchens and utility rooms, Select 150 provides 60 l/s airflow performance in line with Building Regulations and the range includes single and dual speed options with pull cord and integral humidity and timer controls.
    Find out more
  - Omnique OF100
    Omnique OF100
    Omnique is an unique fan, one which can be applied to each and every application in a home from one single unit - the only fan of it's kind!
    Find out more
  - Elite 100
    Elite 100
    This robust fan has been modelled to provide extra security with its high quality electronic shutter which reduces heat loss when the fan isn't operating.
    Find out more
  - Elite 150
    Elite 150
    Elite 150 offers 60 l/s airflow performance and is ideal for refurbishment programmes. Available in four models with varying control options. Designed with electronic shutters to eliminate heat loss and external noise when the fan isn't operating.
    Find out more
  - SF90
    SF90
    A modern design for discreet styling, the SF90 is a continuously running model for the whole house equipped with washable filter for optimal fresh air.
    Find out more
  - RF90
    RF90
    Recessed 100mm high performance centrifugal fan for bathroom and WCs with a range of control options including pull cord, timer, delay timer and humidistat. Integral grease filter as standard.
    Find out more
  - P Fan
    P Fan
    The P Fan is one of the intermittent fan range's longest serving members. Launched in 1970, this two room ventilation fan continues to replace existing installations and is ideal where bathroom and WC rooms are located next to each other.
    Find out more
  - Silent Shower Kit
    Silent Shower Fan Kit
    Silent shower kit offers 70% less noise that standard fans. Available as a replacement induct fan only or as part of a kit with ducting, grilles and light. Choice of control and light options. Aesthetically pleasing finish.
    Find out more
  - Silent Wall Fan
    Silent Wall Fan
    The range of silent fans offer very quiet operation which is typically 70% less noise than standard fans! Available in 100mm or 4" with a range of control options.
    Find out more
  - Halo
    Halo
    High performance luxury fan suitable for internal bathrooms, WCs or installations above showers.
    Find out more
- Continuous Extract / dMEV
  - View the Full range
  - Unity CV2
    CV2GIP
    Widely specified dMEV continuously running extract fan suitable for all wet rooms. Can be installed in wall and ceiling applications. Low running noise. Complies with System 3 in the Building Regulations.
    Find out more
  - Unity CV3
    Unity CV3
    BRAND NEW - The next generation of low energy extractor fan. Including SMART Technology and the first ever with Contactless Technology for simple set up and real time data logging from installed environment.
    Find out more
  - Omnique OF100
    Omnique OF100
    Omnique is a multifunctional fan offering intermittent ventilation for bathrooms and kitchens from one single unit. With excellent pressure handling, Omnique easily complies with System 1 and System 3 of the Building Regulations.
    Find out more
- Commercial
  - View the Full range
  - CDGL
    CDGL
    Commercial Window Fan available in 6",9" and 12" models. Suitable for glazing thickness up to 32mm and wall panels of 360mm. Switches and remote sensor options available.
    Find out more
  - CDWA
    CDWA
    Commercial wall fan available in three different models and suitable for wall installations up to 380mm. Reversible supply or extract with variable speed operation and a range of switching and sensor option.
    Find out more
  - CDRE
    CDRE
    Refurbishment commercial wall fan available in various models and design to replace many products easily without further drilling or plugging.
    Find out more
  - CDCK
    CDCK
    Commercial ceiling fan available in 3 different sizes designed with thermo-actuated backdraught shutters and a picture frame adaptor for retro-fit applications.
    Find out more
  - CDPR
    CDPR
    Commercial pitched roof fan available in three different models with picture frame adaptor for retro-fit installations.
    Find out more
  - CDFR
    CDFR
    Eco flat roof fan, available in three different models offering reversible supply or extract and variable speed operation.
    Find out more
  - SD
    SD
    High performance Superduct centrifugal induct fan designed to complement both domestic and commercial fan ranges.
    Find out more
  - Sensors & switches
    Sensors & switches
    Range of integral and remote sensors and switches
    Find out more
  - Accessories
    Accessories
    Designed to provide ventilation to a wide range of commercial buildings including pubs, restaurants and kitchens. Eco fan models are available for a variety of installation applications and are suitable for new and replacement projects.
    Find out more
- MVHR
  - View the Full range
  - Vireo HR155CM
    Vireo HR155CM
    Vireo. A heat recovery range designed to enable better, easier specification of ventilation in new housing.
    Find out more
  - Vireo HR155WM
    Vireo HR155WM
    Vireo. A heat recovery range designed to enable better, easier specification of ventilation in new housing.
    Find out more
  - Vireo HR185WM
    Vireo HR185WM
    Vireo. A heat recovery range designed to enable better, easier specification of ventilation in new housing.
    Find out more
- MEV
  - View the Full range
  - CMEV.4e/CMEV.4eHT
    CMEV.4e/CMEV.4eHT
    CMEV is a whole house central extract unit that continuously extracts from all of the wet rooms in a property and works in conjunction with background ventilators to comply with System 3 of the Building Regulations as laid out in ADF: 2010.
    Find out more
- Positive Input Ventilation PIV
  - View the Full range
  - PP1LOFT EP/H
    PP1LOFT EP/H
    The PP1LOFTEP/H is a discreet ventilation unit designed to be installed out of sight in the loft – no nuisance running noise in the home.
    Find out more
  - PP2FLAT/H
    PP2FLAT/H
    The PP2FLAT positive pressure unit is suitable for apartments and houses that do not have access to a loft.
    Find out more
- Acoustic
  - View the Full range
  - AAB
    AAB
    The classic acoustic airbrick is suitable for new build and refurbishment applications.
    Find out more
  - MA3051
    MA3051
    Highest performing acoustic wall ventilator in the UK - the MA3051 is ideal for new build applications where noise planning restrictions are in place.
    Find out more
  - AWV39
    AWV39
    The AWV39 passive wall ventilator is suitable for new build and refurbishment projects and provides an excellent acoustic attenuation to 39dB(A).
    Find out more
  - EAR42W
    EAR42W
    EAR42W is an acoustic window vent suitable for new build and refurbishment and can be applied to most window profiles with add on sections.
    Find out more
  - DN Vent
    DN Vent
    DN Vent provides 37dB acoustic attenuation and provides 1400mm2 equivalent area.
    Find out more
  - 2500EA/5000EA
    2500EA/5000EA
    2500EA and the 5000EA equivalent area vents are the smallest acoustic window vents on the market and achieve the best acoustic performance for window ventilators in the UK.
    Find out more
- Window Vents
  - View the Full range
  - S Vent
    S Vent
    Standard Through Frame Slotvent available in 3 sizes offering up to 4200mm2 equivalent area.
    Find out more
  - F Vent
    F Vent
    F Vent is a slimline through frame slotvent offering an innovative clip-fit installation option which can dramatically reduce installation time.
    Find out more
  - L Vent
    L Vent
    Vent is a the slimmest window vent in the range utilising a small 10mm rout and is suitable for profiles within limited space.
    Find out more
  - D Vent
    D Vent
    D Vent is a shutter style through frame slotvent available in 2 models with options for window profile and overframe system installation.
    Find out more
  - HD Vent
    HD Vent
    HD Vent is a shutter style slotvent offering high equivalent area performances from two models and is available in a range of colours.
    Find out more
  - 5000EA
    5000EA
    Smallest slotvent on the market to offer 5000mm2 Equivalent Area from one single unit.
    Find out more
  - GB Vent
    GB Vent
    GB or Gas Board Vent is designed to provide ventilation for combustion environments and conforms to BS 5440 - Part 2: 2000.
    Find out more
  - Recess Flyscreens, External Grilles & Sleeves
    Recess Flyscreens, External Grilles & Sleeves
    External slotvent ancillaries
    Find out more
  - Bar Carrier
    Bar Carrier
    PVC Glazed in option available for a range of window profiles and sizes.
    Find out more
- Ancillaries & Ducting
  - View the Full range
  - ComfoTube
    ComfoTube
    ComfoTube is a range of high performance, semi-rigid duct ideal for use with MVHR installations.
    Find out more
  - Flat 51
    Flat 51
    High Performance Semi-Rigid Duct designed for use with MVHR systems and ideal for apartments and houses where void space is very limited.
    Find out more
  - ComfoPipe & ComfoPipe Plus
    ComfoPipe & ComfoPipe Plus
    Airtight, rigid ducting system for use on intake and exhaust air ports.
    Find out more
  - ComfoPipe Plus Twin Duct
    ComfoPipe Plus Twin Duct
    Low profile ducting system which employs a combination of axial and radial sealing to ensure a strong, airtight connection.
    Find out more
  - GD Ducting
    GD Ducting
    The GD ranges of modular PVC ducting are suitable for installation with whole house ventilation systems such as MEV central extract and MVHR heat recovery ventilation.
    Find out more
  - Steel Ducting
    Steel Ducting
    Steel spiral wound galvanised ducting offers a robust ancillary option for whole house ventilation systems, especially ideal for whole house heat recovery.
    Find out more
  - Flexiduct
    Flexiduct
    Flexible ducting is a lightweight option and is suitable for installation with extractor fans and, typically, intermittent ventilation.
    Find out more
  - Fastfix/Easyfix Ducting
    Fastfix/Easyfix
    The Easy Fix and Fast Fix Ducting Systems have been designed with installers in mind and offer quick, easy and effective installation of extractor fans in new build and refurbishment applications.
    Find out more
  - PIV Ducting
    PIV Ducting
    Modular PVC, rectangular ducting system, specifically sized to fit with PP2FLAT range of PIV units.
    Find out more
  - Acoustic
    Acoustic
    For use with ventilation systems where additional acoustic protection is required.
    Find out more
  - Fire Dampers
    Fire Dampers
    A range of sleeves and collars to suite vertical or horizontal application and designed to protect ventilation duct that passes through fire rated ceilings or walls made from brick, block, hollow plaster board or concrete.
    Find out more
  - Electric Post Heaters
    Electric Post Heaters
    Use in conjunction with heat recovery ventilation.
    Find out more
  - External Terminals
    External Terminals
    A comprehensive range of wall baffles, grilles and cowls to suite all building styles and ventilation requirements.
    Find out more
  - Filters
    Filters
    A range of multi-grade filters for optimised comfort and performance.
    Find out more
  - Valves
    Valves
    A large range of supply and extract valves for multiple applications.
    Find out more
  - Sealants, tapes & clips
    Sealants, tapes & clips
    Fixing and sealing ancillaries for multiple applications.
    Find out more
  - Window Kits
    Window Kits
    The only one of it's kind which offers the safest option for window fan installations and is intruder proof - design in conjunction with Social Landlords.
    Find out more
  - Additional Ancillaries
    Additional Ancillaries
    Complete your system requirements with our comprehensive portfolio.
    Find out more
- Controls
  - View the Full range
  - Controls
    Controls
    Easy to use controls range.
    Find out more
Services
Info centre
News Updates
Company

Service Delivery / Terms and Conditions

Greenwood Air Management. Greenwood Airvac is a division of Zehnder Group UK Ltd. Please use the following button to download our full terms and conditions

Zehnder Service Delivery / Terms and Conditions

Samika LE100

Samika LE150

Select 100

Select 150

Omnique OF100

Elite 100

Elite 150

SF90

RF90

P Fan

Silent Shower Fan Kit

Silent Wall Fan

Halo

CV2GIP

Unity CV3

Omnique OF100

CDGL

CDWA

CDRE

CDCK

CDPR

CDFR

SD

Sensors & switches

Accessories

Vireo HR155CM

Vireo HR155WM

Vireo HR185WM

CMEV.4e/CMEV.4eHT

PP1LOFT EP/H

PP2FLAT/H

AAB

MA3051

AWV39

EAR42W

DN Vent

2500EA/5000EA

S Vent

F Vent

L Vent

D Vent

HD Vent

5000EA

GB Vent

Recess Flyscreens, External Grilles & Sleeves

Bar Carrier

ComfoTube

Flat 51

ComfoPipe & ComfoPipe Plus

ComfoPipe Plus Twin Duct

GD Ducting

Steel Ducting

Flexiduct

Fastfix/Easyfix

PIV Ducting

Acoustic

Fire Dampers

Electric Post Heaters

External Terminals

Filters

Valves

Sealants, tapes & clips

Window Kits

Additional Ancillaries

Controls

Samika LE100

Samika LE150

Select 100

Select 150

Omnique OF100

Elite 100

Elite 150

SF90

RF90

P Fan

Silent Shower Fan Kit

Silent Wall Fan

Halo

CV2GIP

Unity CV3