Diffusion's Products

This unit has been designed, with its compact shape, to harmoniously integrate into the aesthetics of modern reception areas and entrances and can be mounted at heights of up to 3.0m. The unit is available in lengths of 1.0, 1.5, 1.8 & 2.0m and comes in a RAL 9010 finish as standard. The flexibility of water or electric heating, together with horizontal or vertical mounting and either recessed or cased options, allows this unit to be the ideal choice for most design applications.

Overdoor Heaters / Air Curtains

This popular range of fully recessed overdoor heaters is available in lengths of 1.0, 1.2, 1.5, 1.8 & 2.0m and with its standard width of 600mm; it will suit all types of installations. The Unit is available in either LPHW or Electric versions. The standard model can be mounted at heights of up to 3.0m and the super model up to 4.0m. The unit now comes with an attractive linear vision proof grille as standard.

Overdoor Heaters / Air Curtains

The ACE electric overdoor heater is both compact and robust in design, making it the ideal choice for the smaller applications. The unit is available in 3 or 6kw versions and can be mounted of heights of up to 2.5m.

Overdoor Heaters / Air Curtains

The new stylish Airboss overdoor heater is our most recent addition to our over heater range and is proving to be a very popular choice amongst the retail market. The versatility of the unit allows it be mounted to either a wall, ceiling or supporting structure by utilisation of the purpose designed mounting bracket system. The unit comes in standard lengths of 1.0, 1.5 & 2.0m and is now available in both LPHW and Electric versions. The unit can be mounted at heights of up to 2.5m.

Overdoor Heaters / Air Curtains

The AT range has been developed specifically for areas where large quantities of air are required to provide an effective barrier. The unit is available in two sizes that provide air volumes ranging from 0.95m³/s to 2.1m³/s against an external static up to 200Pa. The unit can be mounted at heights of up to 5m.

Overdoor Heaters / Air Curtains

The TR unit is an ideal choice for applications that have limited ceiling space, as it is only 190mm deep. The unit is available in three sizes and has a mounting height of up to 2.5m. Unit is supplied with an eggcreate grille finished in RAL 9010 as standard.

Overdoor Heaters / Air Curtains

The Savanna unit has been designed specifically for the retail market, with its versatility and mounting height of up to 4m makes it attractive solution. The unit is available in lengths of 1.0, 1.5 & 2.0m and is finished in a RAL 9010 finish as standard. The Savanna can be supplied in both LPHW and electric heating, and can be provided cased for surface mounting or chassis for recessed mounting.

Overdoor Heaters / Air Curtains

The Diffusion Chameleon door heater range has been designed, through the use of colour and shape, to harmoniously integrate into the aesthetics of modern reception areas and entrances. The unit can be supplied in either horizontal or vertical mounted (400 & 500mm diameter) and in LPHW or Electric versions. The unit can be manufactured in lengths from 1.0m to 3.0m as standard, but the unit lends itself to very much a bespoke product therefore non standard lengths can be manufactured. It can be painted to any standard RAL or BS number, plus a stainless steel finish is available. The unit can be mounted at heights of up to 4.0m.

Overdoor Heaters / Air Curtains

The Diffusion green controller has been designed to be an energy saving cost effective multi purpose digital control unit fulfilling the requirements for door heaters. It controls electric or LPHW offering energy savings of up to 40%. The controller has been a big hit in the retail sector where energy concerns are critical and is also available with MODBUS network connection.

Overdoor Heaters / Air Curtains

The SR heater is a sturdy, compact and versatile unit designed for such applications as retail outlets, warehouses, workshops and garages. The unit is available in either LPHW or Electric versions and can be mounted at heights of up to 4.0m.

Unit Heaters

The ever popular CT heater has been in the Diffusion range for many years. This versatile unit is designed to fit into a 600mm suspended ceiling and is used in a wide variety of installations such as schools, retail outlets, hospitals and restaurants. Two versions are available with duties up to 4kW.

Unit Heaters

The FCH fan convector is a practical and well designed fan convector drawing on Diffusion's experience in the heating market. The FCH is suitable for all types of installation where a surface mounted convector is required. The unit can be mounted in its own casing or within architectural enclosures.

Fan Convectors

The ideal choice where space is limited, the Slimvector is only 151mm deep. The powerful external rotor motor fans provide high volumes of air at low noise levels. The Slimvector can be mounted under the floor, behind a wall or in the ceiling void, making it the ideal recessed fan convector solution for any project.

Fan Convectors

The Longline underfloor fan convector is a discreet and economic method of perimeter heating. Available in three modular sizes, the Longline can be mounted to accommodate long runs. By utilising a common inlet and outlet grille, it has been possible to produce a heater that has a significant economic advantage over conventional types of underfloor heating.

Trench Heaters

The Fanair is a transfer fan, which has been developed for two purposes. Firstly as a supply unit that can provide tempered air through a false ceiling for comfort conditions. Secondly it can be used as an extract unit to remove stale air from areas that are not served by any form of ventilation. The unit comes with a four way discharge diffuser and can be easily fitted into any conventional suspended ceiling grid.

Air Movement & Ambient

With a nominal depth of 170mm, the Slimline range of fan coil units can be accommodated within virtually any ceiling or floor void and with an extremely low noise level, are equally suitable for new or refurbishment projects.

Fan Coils - Airside

With a depth of 260mm, this versatile range of ceiling mounted fan coil units is available in airside and waterside, having specific fan powers as low as 0.4w/l/s when fitted with A.C. motors.

Fan Coils - Airside

With a depth of 300mm, this range of ceiling and floor void mounted fan coil units is available in airside and waterside having specific fan powers as low as 0.46w/l/s when fitted with A.C. motors.

Fan Coils - Airside

With a nominal depth of 220mm, the Lowline wall mounted fan coil is available in airside and waterside controls and can be supplied with various room cases.

Fan Coils - Airside

With a nominal depth of 170mm, the Slimline range of fan coil units can be accommodated within virtually any ceiling or floor void and with an extremely low noise level, are equally suitable for new or refurbishment projects.

Fan Coils - Waterside

With a depth of 260mm, this versatile range of ceiling mounted fan coil units is available in airside and waterside, having specific fan powers as low as 0.4w/l/s when fitted with A.C. motors.

Fan Coils - Waterside

Due to the high demand of energy conscious clients we have developed the standard Highline 260i fan coil unit to incorporate E.C. motors. These units have been tested within our acoustic laboratory in West Molesey and produce similar results to the A .C. units but have specific fan power factors (0.16 – 0.34 w/l/s).

Fan Coils - Waterside

With a depth of 300mm, this range of ceiling and floor void mounted fan coil units is available in airside and waterside having specific fan powers as low as 0.46w/l/s when fitted with A.C. motors.

Fan Coils - Waterside

With a nominal depth of 220mm, the Lowline wall mounted fan coil is available in airside and waterside controls and can be supplied with various room cases.

Fan Coils - Waterside

A single integrated slot-in intelligent heating, air conditioning and reporting unit, that allows hotels to plan maintenance around the room occupancy and, more importantly, allows the room temperature, controls and possible alarms to be viewed remotely – saving time, money and resources.

Special Products

The unit is manufactured from 1.2mm hot dipped galvanised steel. Developed to meet the most stringent thermal and acoustic requirements, whilst occupying the minimum possible depth. Applications for installation within walls or behind cupboards or facades are some of the features of the Highwall.

Special Products

The Acoustic Ventilator has been especially designed to provide efficient sound attenuation, particularly for the fresh air supply for fan coil units on perimeter walls. Mounted internally, the Acoustic Ventilator contains twin fans for supply and extract and can be supplied with a neat external louvre.

Special Products