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For 40 years Alan Williams & Co has been the first choice supplier of ventilation and heat recovery equipment to specialist contractors, builders, mechanical & electrical engineers, large & small industrial businesses, schools, hospitals, homeowners and more. Our solutions use the latest technologies to help you meet your needs and important environmental legislation whilst making genuine cost savings. As we are independent you can rest assured that we are not restricted to a limited range of products. We provide only the most suitable and cost effective equipment for your project; thus avoiding the problems associated with buying from a single manufacturing source with a narrow range of options.