ENVISION ENGINEERING LIMITED

Envision Engineering Limited is a veteran specialist in HVAC commissioning, testing and qualification, delivering confidence, compliance and experience to clients since 1992. The company provides a comprehensive suite of services that cover every stage of a project-from pre-installation design reviews that confirm commissionability (offered free of charge) to detailed testing, balancing and certification of complex air-handling systems.

Key offerings include HVAC commissioning and TAB (Testing, Adjusting and Balancing) for both air and water systems, capacity evaluations, and a wide range of specialist qualifications. Envision handles ISO and GMP-related testing such as filter-integrity checks, cleanroom pressurisation, and breathing-air certification, as well as ISO 8573 and NSF/BS 12469 compliance. The firm also delivers annual re-qualification for isolators, Class II biosafety cabinets, depyrogenation tunnels, LAF units and fume cupboards, alongside theatre and UCV certification to HTM 03 standards. With a focus on pharmaceutical, cleanroom and critical-care environments, Envision Engineering is the trusted partner for organisations seeking reliable, efficient commissioning and ongoing qualification of their HVAC and specialised air-handling installations.