Extraction & Ventilation: Domestic, Commercial & Industrial

Bathroom Extraction Fans

Steam extraction for bathrooms & en-suites. With 100mm insulated duct to outside louvres and back-draught dampers. Humidity-sensor auto-activation option.

• Brands: Manrose, Xpelair, Systemair
• Low-noise options from 26dB
• Run-on timer included
• 100mm & 125mm duct sizes

Outside Louvres & Back-Draught Dampers

Powder-coated aluminium louvres prevent outside air infiltration when fan is off. Fascia or soffit mount.

• 100mm, 125mm, 150mm, 200mm
• White or natural aluminium
• Built-in back-draught damper
• Bird guard / insect mesh

Kitchen Domestic Extraction

Under-cabinet and ceiling-mount domestic rangehood extraction. 150mm duct or recirculating carbon filter options.

• Quiet, energy-efficient motors
• Grease filter kits supplied
• External duct or recirculating

Inline Duct Fans

Duct-mounted fans to boost extraction over long duct runs. 100mm to 400mm diameter. Speed controller compatible.

• Low-noise mixed-flow design
• Spigot-to-spigot connection
• Domestic & commercial sizes

Whole-House Ventilation (HRV)

Balanced mechanical ventilation with heat recovery. Fresh air in, stale air out, without losing conditioned air temperature.

• Reduces reliance on AC
• Continuous fresh air supply
• CO₂ demand control optional

Loft & Roof Space Ventilation

Tile vent fans and roof ridge ventilation to prevent condensation and overheating in roof voids.

• Thermostat-controlled options
• Solar-powered units available
• Reduces AC load below

Commercial Inline Fans

Duct-mounted centrifugal fans for commercial kitchens, offices and restaurants. 200mm–630mm. EC motor options.

Industrial Extraction Systems

High-volume axial roof fans, centrifugal extract fans, explosion-proof fans for factories and warehouses. Engineering design included.

Fume Extraction

Lab fume cupboard exhaust, paint spray booth, chemical fume, welding fume and solvent vapour extraction. FRP fans for corrosive environments.

Medical & Clinical Ventilation

Negative-pressure isolation rooms, theatre supply/extract, pharmacy prep ventilation, morgue exhaust. Designed to healthcare standards.

Office & Car Park Ventilation

CO₂ demand-controlled ventilation for offices. Car park extraction with CO/NO₂ monitoring and fan control. Shopping centre ventilation.

Roof Extraction Fans & MUA

Roof-mounted axial exhausters for large buildings. Make-up air units to replace extracted air and prevent negative pressure.

Rectangular Ductwork

• Galvanised steel 0.5mm–1.2mm gauge
• Low, medium & high pressure classes
• Straight sections, bends, offsets, transitions
• Sizes 100×100mm to 2000×1000mm
• Fibreglass insulation wrap or lining

Spiral & Round Ductwork

• 80mm to 1250mm diameter
• Lockseam spiral wound steel
• Lower pressure drop than rectangular
• Pre-insulated versions available
• Great for exposed ceiling aesthetics

Flexible Ductwork

• 80mm to 315mm diameter
• 25mm glass wool insulation
• R0.6, R1.0 and R1.5 options
• Quick-connect to spigots & diffusers
• Domestic bathroom extraction duct

Acoustic Ductwork & Silencers

• 25mm or 50mm acoustic lining
• Reduces fan & airflow noise
• For theatres, bedrooms, hotels
• Rectangular & circular attenuators

Pre-Insulated Ductwork

• Phenolic foam / PIR panel boards
• Single-board duct construction
• No additional insulation required
• Rapid install in large spaces
• Approved for commercial AHUs

Stainless 316L Grease Duct

• For commercial kitchen exhaust
• Welded joints, fully sealed
• BS 15780 fire safety standard
• Fire-rated enclosure options
• Essential for Type I canopies

Duct Accessories

• Fire dampers & smoke dampers
• Volume control dampers (VCDs)
• Motorised dampers
• Access doors & inspection hatches
• Flexible connections & VAV terminals

Diffusers & Grilles

• Linear slot diffusers (white)
• Square & round face diffusers
• Swirl & jet nozzle diffusers
• Return air grilles, all sizes
• Light-troffer diffusers

Operating Theatre HVAC

• Ultra-clean laminar flow supply
• HEPA H14 supply air filtration
• Positive pressure maintained
• 20–25 air changes per hour
• Temperature ±0.5°C control
• 50–60% RH humidity control

Pharmaceutical Clean Rooms

• ISO 5 to ISO 8 classification
• GMP-compliant HVAC
• Positive & negative pressure configs
• Pass-through airlocks
• Differential pressure monitoring
• Validation docs (IQ/OQ/PQ)

Laboratory HVAC

• Fume cupboard exhaust management
• Biosafety cabinet extract
• PCR room ventilation
• Pressure cascade design
• Variable volume extract control

Isolation Rooms

• Negative-pressure design
• Min. 12 ACH air change rate
• HEPA exhaust filtration
• Anteroom airlock
• Infection control compliant

Modular Clean Room Build

• GRP & stainless coved panels
• Epoxy floor coating
• Flush-sealed ceiling panels
• Pass-through hatches
• Fully turnkey delivery

Direct Evaporative Coolers

• Drops temperature 8–15°C in dry conditions
• 100–50,000 CFM airflow options
• Cellulose / Celdek cooling pads
• Ducted or direct discharge
• 90% lower energy than AC
• Ideal for Zimbabwe's dry season

Indirect Evaporative Coolers

• No moisture added to supply air
• Year-round operation capable
• Food & hospital safe airstream
• 50–70% energy saving vs AC
• Pre-cool function for AC systems

Turbine Whirlybirds

• Wind-driven, zero electricity
• 250mm, 300mm & 360mm rotors
• Stainless steel & aluminium
• Removes hot air & moisture
• Typically 5–10°C roof reduction

Powered Roof Fans

• Motorised roof exhausters
• 400mm to 1200mm diameter
• Thermostat & timer control
• GRP dome weather protection
• Single & three-phase

Agricultural Ventilation

• Poultry house tunnel fans
• Evaporative pad wall systems
• Greenhouse climate control
• Tobacco barn ventilation & curing
• Dairy & livestock cooling

Portable Evaporative Coolers

• Wheel-mounted spot coolers
• Events & outdoor venue cooling
• Construction site use
• 1,000–30,000 m³/h airflow
• Hire or purchase available