About Us

Originally formed by Mr Ray Andrews, the 'Midtherm Group' has grown steadily over the years and consists of Midtherm Engineering Ltd, Midtherm Flue Systems Ltd, Midtherm Powder Coating Ltd, Midtherm Laser Ltd and Midtherm Stainless Ltd, all manufacturing products here in the UK.

Midtherm Engineering Ltd have been successfully designing and installing flue systems for 40 years. Our product range is constantly being updated, and includes flues, masts, chimneys, commercial canopy systems, natural ventilation systems and our newest product Furanflex composite liners.


Based in the West Midlands, Managing Director John Walsh and Contracts Director Denny Walker lead our team of highly trained and experienced engineers, managing projects throughout the UK and overseas. Most notably having installed the six main flue systems in the prestigious Burj Khalifa Tower, Dubai. This 828m high super structure is the tallest building in the world to date and has been fully facilitated with our products and services throughout the multiple high tech plant rooms.


We offer high quality, well designed installations with a professional service. This includes initial survey of sites, design by our engineers, fluid dynamic calculations, 3D drawings, photo realistic visualisations, Method Statements, Risk Assessments, installation and pressure testing.


Case Studies

Installation of a Pentagon Mast Structure and Flue Systems

University of Warwick was in the process of making significant changes to its campus which required the University to increase the discharge heig...

University of Warwick
Supply, design and installation of Boiler and CHP flue systems

Construction of the Zayed Centre for Research into Rare Disease in Children began in 2015. The new centre will be the world's first purpose bu...

Great Ormond Street Hospital, ZCR