John Williams Academy


An innovative school project constructed via the Skanska Partnership in Bristol has utilized high performance gas boilers and plate heat exchangers from Stokvis Energy Systems, as part of a sustainable and practical solution to an educational establishment’s needs.

The Oasis Academy John Williams – one of the ‘family’ of Oasis Academies across the country – has been built by Bristol City Council to replace an earlier building on adjoining land. Teaching facilities, art rooms and administration areas are arranged on ground, first and second floors, with the large plant room containing both renewable and conventional technologies.

The Project Manager for Skanska, Andy Barlow, takes up the account saying:

“The school has been equipped with a biomass boiler sized to provide 600 kW of its 1200 kW requirement for heat and hot water. In addition to this we chose two of the Stokvis R3400 series boilers as the conventional part of the package, along with some other of the manufacturer’s equipment, on the basis of the build quality, reliability and our past experience of working with the company.

The boilers have been commissioned and working without any problems since the start of the current academic year.”


The pair of R3401 boilers have been installed so that they are able to take all the load if the biomass boiler is being serviced, and themselves share the duty to reduce wear.

Two Stokvis Econoplate plate heat exchangers are also used to meet the academy’s high demand for domestic hot water, being consumed in the washrooms, changing rooms and for food production.

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