BUTLER-HALL ENGINEERING Ltd is small, privately run environmental engineering maintenance company specializing in the servicing of Biodigester waste water treatment plants. We offer technical advice and services on any aspect of these systems, especially regarding annual maintenance and repairs. We also carry out servicing to other leading makes of air blown and air lift sewage treatment systems and water recycling systems such as Entec, Clearwater, Waterwise, and Klargester. We are the sole authorised maintenance provider in England and Wales for Biodigester Ltd, a leading UK manufacturer and supplier of waste water treatment systems. We offer annual maintenance plans and contract agreements specifically tailored to suit our customers individual requirements to provide reliable trouble free operation of their treatment systems. In addition to our regional coverage of the South West, we now undertake work across the UK, carrying out a range of maintenance services for individual owners and water users in industry, agriculture, commerce and the public sector. We also recondition all EL series models of SECOH air compressors, offering a considerable saving over the price of new items.