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Storage Heater KW Guide

When choosing which storage heater kw, you need to consider where you want the most heat. Are you looking for a storage heater that will heat the bathroom, a living room, an entire house or flat. It is important to understand the amount of storage heater kw for the desired amount of heat in your living space. Each storage heater will have its own demands. Charts A and B illustrates the typical output in storage heater KW required for different living space sizes.

kw features

Storage heater KW capacity, effective controls and insulation determine the output rate of stored heat. Storage heater heating is less responsive to changes in demand, features allowing the emission rate to alter are desirable, and to make the storage heater more efficient. The storage needed to meet day to day heating requirements should be considered at the design stage. Charts A and B provide guidance on storage heater KW and sizes needed.

A large size 3.4 kw storage heater can hold maximum charge of 23.8 kw over 7 hours charge period. Automatic storage heater kw systems are preferable because they offer the facility for automatically controlling the input charge taking consideration for a room temperature and existing heat inside the heat blocks.

Storage heater kw input

The storage heater kw input rating counts the power usage when on a charging cycle at night during off peak electricity times.

Storage heaters KW size selection guide

Charts A and B show a storage heater kw guide. The storage heater kw ratings in the tables relate to floor area. If you require just a background level of heat for your home or room and plan to use other heaters to top up as required, then  use the top table. If however you plan to use the storage heater as the only room heat source and you require a comfortable temperature then use the bottom table. Both tables are based on average ceiling heights of 2.4m, no cavity wall insulation, average external temperature of -2°C and roof insulation of 100mm.

Chart A
Storage heater KW rating for background heat 18oC

Chart B
Storage heater KW rating for comfort heat 21oC