Profile: OCCO Coolers Telford Ltd. specializes in air blast coolers. Our AC type air blast coolers feature aluminum oil radiators of high strength combined with the latest integral fan/motor units. The resulting coolers have a small face area that is ideal for modern compact production machinery. It uses integral fan/motors offering class F insulation and dust/waterproofing to IP55 on larger sizes. Adjustable close control thermostats, or multi-speed controls are also available.