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Unrivalled performance Our pioneering technology and control systems deliver high precision heat management and unrivalled performance in both domestic and district heating environments.

Best for through-life costs Intelligent design leads to greater simplicity – that’s why our systems are cost effective to install, more reliable and cheaper to run and operate.

Better by design Our unique and innovative technology has been refined over many years and is protected by numerous patents relating to water storage, heat exchange and the networking of communal heating systems.

What is a Thermal Store?

What is a thermal store? Sometimes known as a thermal bank, the main principle behind this system is to enable excess energy to be stored for hours or even days at a time. The main intention is to provide a viable source of heating in order to balance one’s energy demand. Fully understanding what a thermal store is involves how this type of mechanism functions as well as understanding its main benefits. While there are many articles entitled “what is a thermal store?”, only a few break the concept down for those who might not have a great deal of technical experience. Let’s take a closer look.

What is a Thermal Store?

A thermal store is a large store of water that can be heated by multiple heat sources depending on the intended application. Some common examples include:

  • Solar energy storage.
  • Ground-source heat pumps.
  • Electric thermal storage heaters
  • Hot water storage cylinders

As hot water thermal storage cylinders are often used to exchange heat to domestic hot water within domestic and commercial settings, these systems will be the focus of this article. So, what is a thermal store in relation to everyday heating tasks?

A Look at a Typical Water Thermal Storage Tank

There are two common varieties of hot water thermal store. The first utilises a coil within the thermal store while the second uses an externally mounted plate heat exchanger.

In the first example, a hot water coil will pass through the store of hot water. The water contained within this coil then absorbs the heat from the store; allowing it to be used as an immediate source of domestic hot water.

External plate heat exchanger systems are slightly more complicated and they involve directing mains cold water through a flow switch and towards the plate heat exchanger. The flow switch activates a pump which circulates water from the store around the other side of the plate heat exchanger, heating the incoming cold water to create domestic hot water. The main benefit here is that while there are more components, this variety tends to be much more efficient than the coil-based alternative, and the plate heat exchanger can easily be replaced, when a coil cannot.

What is a Thermal Store in Relation to User Benefits?

One of the main benefits is that less mains electricity will be needed to obtain an immediate source of hot water. In addition, it is possible to link multiple systems together (such as a solar heating pump and a wood-burning stove). Therefore, hot water can be obtained quicker when compared to other methods such as activating a standard boiler.

To find out more, please feel free to get in touch with a member of our team at Thermal Integration.

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