About Us

We design and manufacture pre-plumbed hot water and central heating cylinders, thermal stores and heat interface units to suit almost any domestic or commercial application. Our range of products is the end result of decades of continuous development and improvement in heating technology.

Our full product range includes:

    • Heat Interface Units
    • Standard Cylinders
    • Shortened Cylinders
    • Buffer Cylinders
    • Combination Cylinders
    • Mains Pressure Thermal Stores
    • Mains Hot Water Conversion Kits
    • Prefabricated Systems
    • Solenoid Valves
  • Immersion Heaters
  • Flow Switches & Level Switches
  • Plate Heat Exchangers
  • Boiler Conversion Kits

Highly Recommended

We are the only thermal store manufacturer recommended by almost all wood burner manufacturers. This is a direct result of the design services we offer, ensuring that systems are designed to properly do the job in hand, while taking into account all the relevant safety measures and control systems.


By using Thermal Integration you can feel safe in the knowledge that your system is being designed by the industry’s leading experts, drawing on the experience of thousands of successful multi-fuel installations, of all different types. We make sure both you and your installer have thought of everything, and all potential issues are addressed at the design stage, preventing problems down the line.


Years of experience, leading the field in hot water system design. Recognized industry experts in multi-fuel storage systems, and heat exchangers.

Design Service

Customised design service where satisfactory results are guaranteed if customer follows our guidance. Our designers are the best in the UK and we offer their assistance for free.


We supply systems – not just cylinders. Your unit will come fitted with the correct selection of components to make everything work together as needed.


Reliability and service. We provide you with 1 year on site cover and systems have evolved to use only the most reliable components and methods.

Support Network

We are supported by a national network of retail outlets, with fully operational display systems, backed by MCS qualified installers, if required.

Conditions of Supply

Thermal Integration Ltd, Windham Road, Chilton Industrial Estate, Sudbury, Suffolk, CO10 2XD Tel 0345 241 1441

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