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28 Jun: Firstly a little background. We are an existing npower customer and a small museum in the Cotswolds with charitable status and are on a domestic tariff. We have no income other than donations. Our building is an old Methodist chapel some 150 years old with poor heat insulation. Heating is by tubular electric heaters around the main hall controlled 24hrs by a room thermostat mainly for frost protection primarily for the exhibits and the fabric as the building is normally unoccupied. 

We have had a long debate about changing to a dual tariff meter and storage units but have ruled this out as impractical at the moment as the building power and lighting is all on one circuit and we require 24hr frost protection. We have however, been offered some storage heaters free and I wondered if substituting some of the tubular heaters for these might assist in delaying the temperature decay when the thermostat goes off for less fluctuations in temperature?

Asked by Alan

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Storage heaters will offer a 'background' temperature that can help in frost protection but they're slow to respond to changes in temperature which could lead to under or over heating (and excessive running costs etc). 

A mix of both storage and direct (tubular heaters) may be the way forward but again, a delicate balance is needed to avoid excessive temperatures and the associated extra running costs.

If frost protection is needed for water pipes etc, then these areas need to be protected by the tubular heaters. Unfortunately, there is no complete answer to this and a trial of storage heaters may be the way forward?

npower
Answered by npower employee at npower.

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