• The OPUS range is ideal for applications requiring guaranteed extract, such as small toilets or small offices.

    The OPUS range offers excellent performance at minimum noise, with the ES-OPUS DC offering an ideal in-duct solution including quick release mounting bracket for easy installation.

    • Very quiet operation - Units offer high performance with low noise levels.
    • Guaranteed Ventilation – a compact cost effective twin fan. Twin fans allow for automatic changeover to standby fan in event of fan failure.
    • Most efficient systems - DC motor design providing high performance with the lowest possible Specific Fan Power available in its class.
    • Quick and easy to Install – quick release bracket with no need for additional fixings.
    • Simple to commission - Integral control facility enables the duty to be precisely set without the need for additional controls.
    • Low maintenance costs - easy clean foam filters protect motor and fan assembly, reducing maintenance costs and extending fan life. Foam filters fitted as standard.
    • Simple controls - a choice of 'on-board' and 'remote' control options are available, including Ecosmart energy efficient controls.


  • The ES-OPUS DC fan incorporates a low energy, high efficiency DC fan/motor assembly with sealed for life bearings, mounted within an acoustically lined, 100% recyclable plastic case. The unit incorporates a quick release mounting bracket as standard. The range has an energy efficient Ecosmart control. The unit can be mounted horizontally or vertically and is fitted with a removable panel allowing for quick and easy access to electrical connections. A miniature control panel mounted on the fascia allows for easy commissioning. All inlets are 100mm diameter. The unit has run and standby (auto changeover) and duty share as standard. The unit is supplied complete with backdraught shutters.

    For ES-OPUSDC performance charts, electrical and sound data and dimensions please see the catalogue pages (see “Download Product Page” on the right or click in the download tab)


    • Hospitals
    • Offices
    • Student Accommodation
    • Hotels
    • Commercial Kitchens
    • Schools
    • Apartments & Flats


    • Remote Fail Indicator : OPUS-RFI
    • Remote Fail Indicator (for Ecosmart model only) : ES-AVI2
    • External Humidistat : HUMISEN
    • External Humidistat (for Ecosmart model only) : ES-HUMIDISTAT
    • Vandal proof cover : OPUS-VPC
    • Backdraft shutter in white : PVC494WH



  • Opus DC Consultants SpecificationDownloadI&M Opus DC Low Power Duct Mounted Extract FansDownload