storage heater comparison

Storage and Direct Heater combination, producing 1kW of continuous output.

verses Heat Electric Radiator .

Storage Heater (Using Economy 7 Tariff)

The maximum heat output of a standard 2.55kW storage heater at the end of a storage period is 1kW.
To maintain the heat at 1kW output, the storage heater needs topping up with an additional heater towards the end of the day using day rate electricity at peak rates.

The total consumption of electricity by the storage heater/direct acting heater combination to maintain 1kW output during the day may be calculated as follows:

Storage heater: 2.55kWh for 7 hours at 6.57p per kWh (overnight charge) = £1.17 Direct heater (late afternoon/evening) top up: 4.1kWh at 15.21p per kWh = 62.4p

Total daily running cost for storage heater/direct acting heater combination = £1.79

Hear Electric Radiator (using Standard Rate Tariff)

The running costs for 11hrs of a 1kW Heat Electric radiator is 12.59p per hour on standard rate .

HE radiator standard rate: 2hrs x 12.59p = £0.252
HE radiator standard rate: 9hrs x 12.59p = £1.133

Total daily running cost for a Heat Electric radiator = £1.38

Against the storage heater/direct conbination ,the Heat Electric radiator can achieve a saving of 23%

Against the storage heater/direct combination, the Heat Electric radiator can achieve a saving of 23%.
Under ideal conditions 23% is an achievable saving, however due to differing heat requirements and dwelling insulation levels this figure may
reduce and to be used as a guide only. However a 10 -15% saving is expected as a minimum.
Also obtaining a low cost electric tariff such as Economy 10 will also enhance cost savings to the end user.
Further cost savings can be achieved as the Heat Electric radiator does not constantly draw electricity once the desired room temperature is achieved.
Electricity tariffs (25^th Aug 08) are based on and as provided by Scottish and Southern Energy.

Heat Electric

Electric Heaters

Electric heaters are electrical appliances that change electrical energy into heat. Electric heaters consist of an electrical resistor. There are various types of electric heaters, and nearly all of them use the same physical principle to produce heat. However, they differ from each other in the way they deliver heat to the environment. Radiative electric heaters generally produce the most intense form of heat through a heating element within. Convection heaters heat the air through a heating element within by means of conduction. Fan electric heaters are a form of convection electric heaters, which include electric fans to speed up airflow.

Electric Heating

The effect of electric heating is mainly related to the production of electricity. The environmental impact of electric heating is actually dependant on the kind of electricity it consumes. Electric heating has a greater effect on the environment than heat pumps that provide the same amount of heat. Heat pumps are capable of providing larger amounts of heat, but the heat produced by electric heating is better. However, direct electric heating is generally not considered ecologically pleasant because most electricity uses fossil fuels, with up to two-thirds of energy in the fuel being lost at the power stations and in transmission losses.

Electric Radiators

Electric radiators consist of an electric resistance unit that is fixed in a reflector. Heat is generated when an electric current passes through this unit. A substantial portion of this heat is transferred from electric radiators by radiation. Initially, electric radiators were also known as ‘wet` system electric radiators. Electric radiators can be simply plugged into the usual wall sockets. For electric radiators to work efficiently, you can spur wire electric radiators into existing storage heating sockets, and then take the wire back to a unique control box. Professional electric radiator providers should obtain electric radiators for you so that you can have complete guidance about how to use them.

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