Isotemp (Heating and Ventilating) Ltd. Logo

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01494 534364

Welcome to Isotemp (Heating and Ventilating) Ltd.

Stacked ducting

Based in High Wycombe, Buckinghamshire, Isotemp manufactures and installs high quality ductwork systems serving mechanical services contractors involved with new builds and refurbishments for hospitals, schools, offices and industrial premises across the UK.

Established in 1963 the company has experience with all types of ductwork and has been a member of the Building Engineering Services Association ( BESA ) since 1978. We operate the latest ductwork CAD software within a large spacious drawing office. Our shop floor is fitted with the latest CNC based technology including a state of the art plasma cutter & coil line for specialist sheet metal work.

Competitive & Competent Services


We provide fast, accurate and competitive quotations using our computerised estimating system and welcome new prospective client enquiries.

Because we both manufacture and install ductwork systems we are able to provide a complete service to our clients ensuring a smooth transition from start to finish. Our fitters are the best in their profession, all hold relevant SKILLcards and receive full support direct from the directors, project managers and designers either on site or over the phone from the office.

For a fast, accurate and competitive quote using our computerised estimating system, please call, or send your details to us using our Contact form.



Working from client's architectural and structural drawings, we are able to design full working drawings using Auto-CAD with specific Ductwork System add-ons. Our capabilities allow us to visualise ductwork schematics in 3D isometric, to draw from schedules of materials, print out working drawings and send machine files to our CNC plant on the shop floor.


ducting fabrication machine

We operate a fully automated production facility, equipped with CNC Plasma cutting facilities and a coil line capable of forming sheets from 0.8 to 1.6mm thick.

With a stream lined workshop and skilled workforce, we are able to push projects through quickly whilst still producing the quality product we are known to provide.

Ductwork Engineers


In the majority of cases we carry out the installation of the ductwork we manufacture. We employ fully skilled, qualified and Skillcard registered engineers and take a pride in our ability to resolve installation difficulties quickly and efficiently.

We have carried out a large number of installations over the years including hospitals, clean rooms, schools, office developments, industrial premises and warehouses.