February 02, 2019

What is Storage Heater

A storage heater is an electrical heater which stores thermal energy during the evening, or at night when base load electricity is available at lower cost and releases the heat during the day as required.

Common useful storage heater features include:
Boost function
You can get extra warmth with a boost function in some storage heaters.
Fan assist
A large number of storage heaters with auto-combination models comprises a silent fan that helps to dispel heat.
Programmable heating schedules
Many newer storage heaters allow you to set customized heating patterns.
Size
If your room is large, or not very energy efficient, you may need a larger storage heater to warm it effectively
Thermostatic controls
With thermostatic controls, you can keep the temperature of the room at your chosen temperature.

Pros of storage heaters:

One prominent advantage is that although they are expensive than usually equivalent gas- or oil-fired heating systems, they are cheaper to operate during peak hours.


Users of central gas heating & some other systems often turn off the heating during the night as an economy measure, with the result that the house is cold at night and early morning; but because night storage heaters are on at night, the home is still warm at those times.


People can use storage heaters in areas where natural-gas distribution systems are not available, without requiring the homeowners to pay higher daytime electrical-heating bills.


The capital cost of night storage heating is relatively low, and installation is far more comfortable than the initial setup of gas-fired boilers, piping, and radiators. Easy installation is an advantage when renovating old buildings without existing central heating.


Compared to gas central heating systems, storage heaters have merely no maintenance costs.

Cons of storage heaters:


Many users may not fully understand the controls. A standard error is leaving the output (or boost) control open at night, so that the heaters dissipate heat when they should be storing it, with a consequent increase in electricity consumption and cost. Alternatively, they may set the input control to a minimum at night instead of the output, which can mean there is no heat at all for the next day.


Heat is lost from the heater while charging overnight. The room is warm in the morning but is wastefully all night.


The heat stored during the night will be released into the living area during the next day, regardless of need (due to the inevitable heat transfer through the storage heater's insulation). Thus if the homeowner is unexpectedly absent that day (and therefore does not need the house to be warmed) or is only at home for a small part of the day, the heat has already been purchased and is already there, and eventually comes out.