Some models of solid fuel appliances have a water jacket which means the fuel is able to heat water as well as the room the appliance is in. The heated water is used to heat your domestic hot water, radiators or underfloor heating. A heating innovation panel or Thermal store is required for this to take place.

Thermal Stores

A thermal store is a way of storing and managing renewable heat
until it is needed. In a domestic scenario, heated water is usually stored in a large well-insulated cylinder, typically known as a buffer or accumulator tank. A thermal store may contain one or more heat exchangers, usually in the form of internal coiled pipes, or external flat-plate heat exchangers. It may also include an electrical heating element, such as an immersion heater.

Thermal stores uses a plate exchanger to generate mains pressure hot water. This method of generating hot water allows the store to remain unpressurised and open vented, while providing 9 bar hot water at up to 45 litres per minute. The below image (from Xcel Heat) shows how the thermal store can be integrated with
log stoves, solar PV, etc, please visit here for more information.

Heating Innovation Panel

Electric innovationWe use a heating innovation panel to connect the solid fuel appliance (which is deemed to be an uncontrolled heating device) to the existing heating and domestic hot water system. The system is completely automated and has built in ‘fail safes’ in case of an electricity failure. During a power cut you can still use your solid fuel appliance.

There are different models of heating innovation panels to suit different installations, and therefore have different levels of control.

We have a ‘H5’ in our showroom (image right) which has been linked into our central heating system with air source heat pump and biomass boiler, enabling both to provide energy to heat the hot water, under floor heating and radiators.The panel controls the balance between the fire and the heat pump ensuring the heat pump is only used as a top up when needed and the solid fuel appliance provides the rest of the energy. This makes full use of both appliances efficiently and does not waste any energy and is therefore more cost effective. When the flow temperature has reached the desired level the solid fuel appliance takes priority and switches off and closes down the pipe work from the ground or air source heat pump.

Log gasification

Log gasification boilers extract almost all the energy available from the gases produced during the wood burning process, and can achieve 90% efficiency and internal temperatures as high as 1200°C, more information on log gasification can be found here.

Gasification

Our team of engineers are HETAS approved for the design, installation and commissioning of chimneys, flues, flexible liners (H006), dry appliances (H003) and biomass boilers (H005BR). We have completed installations throughout Ely and Cambridgeshire. Please contact us to discuss your ideas or for more information.

Thermal Stores
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