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​At EVS Ltd Our expert Emergency Maintenance Team are available 24 Hours 7 days a week, 365 days a year to attend to your equipment problems. Promptly and competently!

EVS Ltd can service and validate your clean air equipment at a time to suit you,

Our administration has many years experience arranging site visits and putting together bespoke scheduling and timescaling for you so that we keep your down time to a minimum. 

We are constantly asked by non-contract customers to repair units that their current service provider has long given up on.

We make it our business to keep up to date with the latest equipment designs and systems and are proactive in seeking OEM factory training for our service team.

EVS Ltd are Currently affiliate members of:




Facilities covered:


  Available Services

  • Airflow measurements

  • Airflow visualisation

  • Aerosol photometry (DOP)

  • Particle counting

  • KI Discus containment (Operator / Aperture Protection)

  • Fume cupboard containment (SF6)

  • Containment suite sealability testing

  • Physical inspections including ductwork where applicable

  • Fault diagnosis and remedial action

  • VHP equipment fumigation

  • HEPA filter supply, installation and certification

  Equipment covered:

  • Class I, II and III microbiological safety cabinets

  • Horizontal and vertical (laminar) airflow cabinets and enclosures

  • Isolators (glove boxes / seperative devices) Solid and flexible

  • Robotic enclosures

  • Fume cupboards (Ducted)

  • Fume cupboards (Recirculating)

  • AFOS tables

  • PM Tables and extracts

  • Powder handling booths 

  • Cleanroom Suites

  • Containment Suites

  • Ultra clean air operating theatres

  • Filtration systems

  • Local extraction systems




  • Pharmaceutical: Aseptic suites, Pharmacies / Radio Pharmacies

  • Gene Therapy Suites

  • Cleanroom Suites ISO, GMP & Class1

  • Containment Suites ACDP / DEFRA 3 & 4

  • Ultra clean air operating theatres HTM 03-01

  • Microelectronics facility validation Class 1

  • PSU, CSSD and Mortuaries




  Standards and guidelines:

  • ISO 14644: Clean rooms and associated controlled environments

  • GMP Orange Guide including EU GMP Annex 1:2008

  • Pharmaceutical Isolators, Pharmaceutical Press, 2004

  • BSEN 12469:2000 Biotechnology - Performance criteria for microbiological safety cabinets

  • BS5726:1992 / 2005 Biotechnology -Containment testing criteria for microbiological safety cabinets

  • IEC 61010-1:2001 (BS EN 61010-1:2001) Safety requirements for electrical equipment for measurement, control and laboratory use. - Part 1: General requirements

  • The management and operation of microbiological containment laboratories, ACDP/HSC, 2018

  • HTM 03-01 Specialised ventilation for healthcare premises

  • COSHH Routine servicing, maintenance and testing for COSHH / HSG 258

  • Type testing (BS14175:XXXXX)

  • On-site containment testing

​EVS Ltd expert emergency maintenance team are available 24 Hours 7 days a week, 365 days a year to attend to your problems. Promptly and competently!

Call us now on 020 8335 3532 for a price estimation

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