Jack Spencer

A reliable kitchen extract system is one of the most important parts of any commercial kitchen. It keeps the air clean, removes heat and grease, and helps ensure your space stays safe and compliant with UK regulations.   When it starts to underperform, the effects can quickly spread across your entire operation.  At Sigma Engineering , we work directly with commercial kitchens to design, manufacture and install high-performing extraction and ventilation systems. From busy restaurants to large...

Ensuring compliant ventilation in Scotland isn’t just about improving air quality: it’s about meeting essential industry and safety standards that protect people, property and the continuity of your business.  At Sigma Engineering, we design, manufacture, and install commercial ventilation systems  across Scotland. We’ve helped businesses in sectors from hospitality to healthcare invest in compliant, efficient systems that meet or exceed relevant standards such as DW/172 and TR19.   In this...

Ventilation is one of those parts of a building that tends to be noticed only when it stops working properly. Poor air quality, lingering odours, excess heat or a build-up of grease can all have a direct impact on people’s comfort and safety.  For many commercial buildings, an extractor fan is essential. But not every site can accommodate traditional ducted extraction. This is where a recirculating extractor fan  may come into the conversation. Understanding what a recirculating extractor fan...