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Thermal Stores
Ideal for ...
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New builds 
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Older Properties
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Refurbishments
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Thermal stores explained
These are hot water tanks or cylinders used to store heat. They supply high flow rates of mains
pressure hot water and can also as act as a store for providing central heating.
Using a thermal store can do away with the need for stored water in the loft. Hot water is provided
by passing cold water at mains pressure through either external or internal heat exchangers
connected to the thermal store unit.
Thermal stores are particularly well suited for use with solar thermal systems and wood burning
stoves.
Are they right for you?
Thermal stores are great solutions for both new builds and retro fitting in older properties (cold
water mains require testing for adequate flow rate and pressure ) because they are excellent for
combining multiple types of heat source into one usable store, connected either directly to the store
or via multiple coil heat exchangers.
A heat pump, wood burner, solar thermal unit and boiler could, for instance, all be connected to
one thermal store as well as an immersion heater. A larger capacity thermal store is required if
central heating is to be supplied by the unit.
Deciding on types and options
Thermal stores can be vented or un-vented. If they are to be combined with a wood burning stove
however, they must be vented units. The vented store can have the fill and expansion tank either
attached to it (combination fortic) or situated remotely
Winning efficiency
Thermal stores can improve efficiency by storing what might have otherwise been wasted heat
What will it cost? >
Incentive Payments >
FAQs >
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