Sigma Engineering Product Design Ltd is one of Scotland’s leading specialists in energy-saving ventilation products and services. We have developed the unique award-winning patented Sigma Heat Recovery Ventilation (HRV) technology. Based in Irvine, Ayrshire, we deliver efficient, exact and cost- effective solutions for any ventilation and air quality control requirement. HIGHLY QUALIFIED Sigma EPD is a design led organisation. We develop innovative solutions for our clients. Our design capabilities are backed up by our knowledgeable and experienced manufacturing and fitting staff, who help to deliver great quality solutions to our clients in sectors including; general manufacturing, industrial processes, food production, NHS authorities, restaurants, golf clubs, cafes and just about any business that requires air quality control measures (Ventilation). EVERY CUSTOMER MATTERS Every customer, no matter how big or small their project, is important to us. This means we approach every project with a high level of detail, creativity, professionalism and flexibility to find the best results for you. Every ventilation unit we design is unique to our customer and tailored to fit into its environment seamlessly. We pride ourselves on communicating with our customers throughout the process and advising them of the best products or system for their business. We ensure that all our systems boast ease-of-use, comfort and most importantly, safety to the end user. We strive to find the best solutions to your challenges. We can work with your architects and builders to provide accurate information for building warrants etc.