Boilers and Calorifiers

Boiler Room

H2O Comply provide a high standard of commercial boiler and calorifier services for London, Kent, Essex, Sussex and many other locations throughout the South East.

Our engineers carry out a diverse range of heating work for clients' industrial requirements, covering installations, repairs and maintenance services for all makes and models of boiler and calorifier. We undertake all sizes of projects, from complete boiler house refurbishment to the replacements of pumps and controls.

Contact us today for a free site surveys and quotation. With our experience in industrial, commercial and public sectors, we will give you the most efficient and cost effective solution.

Why choose us?

H2O Comply are a specialist contractor providing reliable commercial boiler services. We are members of GasSafe, Unvented Water Heated qualified, and CHAS registered.

We are install all of the leading industrial and commercial boiler and calorifier manufacturers, including Worcester Bosch, MegaFlo, A.O. Smith, Valiant, Hoval, Potterton, Baxi, Powrmatic, Ideal, Buderus and Strebel.

All of our heating engineers are fully qualified and all of our work is carried out in compliance with the latest regulations.


We carry out commercial boiler and calorifier installation work in a variety of sectors including schools, colleges, universities, hospitals, care homes, offices, restaurants, showrooms, sports stadiums, factories, and warehouses, to name but a few.

Every boiler replacement or industrial heating system installation is designed to meet the requirements of your project. We can also offer advice on an existing boiler and calorifier installation.

Maintenance and Repair

We are specialists in commercial boiler maintenance and plant room services. We offer a full planned maintenance service and a complete boiler maintenance service on a contractual basis, so please call to find out more. Our Heating engineers are very experienced. You can be assured that your heating system will be maintained regularly by fully qualified and experienced engineers.

We offer a wide array of repairs from a boiler fault to a leak. No job is too small.