Tag Archive 'electrical heating'

Apr 16 2010

Electric Heaters – The Differing Types

Published by under Heating & Air

The majority of fires for the home tend to be driven through either electrical power or fuel, and whilst both forms of heating units possess their very own unique advantages, electric heaters appear to be typically the most popular choice due to the fact they are usually low-cost to purchase and straightforward to take care of. Electrical heating units largely work by transforming electrical power directly into heat by way of an electrical resistor inside the heater, as well as an electrical current moving through the resistor next it coverts the energy directly into heat energy.


Many of the advantages of an electrical heater are generally apparent – electrical energy exists nearly everywhere, and these heating units usually do not demand any energy resource to be stored.


Additionally it is vital that you realize issues of safety whenever investing in a heater. Brand new designs of electric heaters have to pass rigorous basic safety assessments so that they can guarantee risk-free operation. Wire grills, tilt switches, automated shutoff controls, as well as thermostat controls will be most of the basic safety characteristics to watch out for.


Though almost all electric heaters make use of the very same fundamental principle to create heat, you will find variants in just how electric powered heaters supply this heating to the surroundings. Here are a few diverse electrical heating approaches out there:


Convection Heating units:


These kind of electric heaters are excellent with regard to offering background heat for any closed room. Convection units warm any air close to the element or body in the heater by utilizing air convection currents to create heat, and then those currents rotate through the equipment and throughout its heat element. Samples of convection heating units will be oil-filled radiators, which can be ideal for private spaces for example beneath desks and electrical baseboard heating units, that are good for heating areas like a master bedroom or even lounge space.


Fan Heating units:


A fan heating fire is a form of convection heater which makes use of a fan to pass through air flow over a heat element so as to accelerate the flow of air. This particular heating element warms the air flow, the air departs the heater, and your surrounding region will be warmed up. This can lead to incredibly quick heating within a space, however these might not be the most effective option if noise can be a concern, since fan-type heating units can often be noisy. Nevertheless, fan heaters work nicely inside areas where setting up other forms of fires could well be impractical. Good examples regarding fan heaters could be transportable fan garage heaters, that are positioned on the ground and supply blasts of hot air upon the entire body.


Naturally, fueled heaters like those making use of propane or kerosene may also be heating alternatives, however most of these heaters might not be suitable with regard to use at home since they have to end up being vented as a result of carbon monoxide emissions. Nevertheless, if you’re worried about the price of electrical energy and want to swiftly heat ones outdoor patio, stockroom, or perhaps additional large, well-ventilated areas, these can certainly be considered.

The developments and strides made with electric fires have meant that many folks are turning to them. You can visit our Wall Mounted Electric Fires website to find out more. These fires add a bit of class to any room and sport amazingly real looking coal and wood fire effects.

No responses yet

Jul 08 2009

Electrical Heating in the Home

Published by under Electrical

Advantages and Disadvantages

Electrical heating is clean, compared with forms of heating which involve combustion, e.g. gas, oil, coal, etc. There are no fumes or flues associated with it. It is usually cheaper and easier to install than other forms, either in a new build, or in an existing house. It can conveniently be used as ‘top up’ heating, where gas or other other central heating is used as the main form of heating. Many (but not all) electrical heaters are portable and respond quickly.
It is generally more expensive to run, although the relative costs compared with, say, gas depend on local conditions and costs at any particular time.

The running costs of electrical heaters will be high if the heater has no thermostat, and is left on for long periods, unless it is a low wattage heater. Thus only use a high power heater, without a thermostat, if it is just to be used to heat up a room for a short time, then switched off. Plug-in thermostats can be used to provide an external temperature control for the heater. Many heaters have ‘frost watch’ settings, which only switch the heater on if the temperature goes to freezing, making them a useful precaution against burst pipes.
Many heaters have built in timers allowing them to be switched on and off automatically at pre-set times. You will pay extra for this, and often it is cheaper to buy a 24 hour plug-in timer to use with the heater.

The main forms of electrical heaters are:

Underfloor Heating

This consists of electrical heating cables laid under floors. (Pipes containing hot water heated by gas, or another fuel, are another form of underfloor heating.) I would only consider this in a new build. The cost and disruption of installing underfloor heating in an existing property is considerable.

Storage Heaters

These are fairly large heaters, wall mounted, which use off peak (cheaper) electricity during the night, and store the heat to release it slowly during the day. Special wiring and off peak meters must be installed, and the electricity supplier must arrange for you to be put on an ‘off peak’ tariff. It is an option to consider if central heating is required and gas or other fuels are not available. It is probably the cheapest form of central heating to install, but can be expensive to run. It does not respond quickly to sudden changes in temperature. If there is a sudden cold spell during the day, it will not be until the following night that adjustments to the heating will take effect.

Fan Heaters

These are cheap, small, portable and heat up quickly. They are ideal for top-up heating. They can also be used, in summer, as fans only. The noise of the fan can be irritating though, and if this is a consideration, it is better to use convector heaters.

Convector Heaters

Again ideal for top up heating, but slightly slower, bigger and more expensive to buy than fan heaters. They can be floor standing or wall mounted. They are almost silent though, except for the fan operated ones, which don’t seem to have any advantage over the smaller and cheaper fan heaters.

Panel Heaters

These are very slim wall mounted heaters. They occupy a large wall area. They usually don’t have a thermostat, so are on all the time.

Oil Filled Radiators

These look like conventional central heating radiators. There are flat ones that can be wall mounted, and wider ones, on wheels, so that they can be moved to different rooms. They are slower to respond than fan or convector heaters, but some people prefer their lower temperature over a bigger area.

Tubular Heaters

These are tubes, varying in length from about 350mm to 2000mm (1′ to 6′). They are usually wall mounted. They are very low wattage (about 150W per metre) and don’t have a thermostat. They are normally used in greenhouses, animal cages, airing cupboards, behind fridges and freezers in outhouses where it gets too cold for the fridge to operate normally, etc.

Bathroom and Toilet Heaters

In a bathroom, the heater must either be operated by a pull cord switch, or externally, from another room. The latter would usually be a wall mounted panel heater (these can be supplied with towel rails to dry towels as well). The former could be a downflow fan heater or radiant heater, mounted on a wall near the ceiling, for which wiring would have to be installed, or heat/light unit, replacing the existing light fitting. 250W heat/light bulbs can also be put into an existing light unit (without using a shade), to give some heating.

Electric Fires

These can vary from the cheap radiant fires, or the more recent halogen heaters, to expensive coal, log or flame effect fires, often used as a focal point for a room. The latter commonly combine radiant and convection heating.

Other Electrical Heaters

Air curtains, plinth heaters, etc. usually employ natural or forced convection, designed to fit in a particular location, such as above a door or in a plinth. Ceramic and quartz heaters usually employ a mixture of radiant and convected heat, and are often more powerful than conventional domestic heaters, making them useful in industrial applications.

Barrie Newton B.Sc.
Owner of Rhyl Lightworks Co

http://www.thelightworks.net

or for electrical heaters see:
http://www.thelightworks.net/index.php?main_page=index&cPath=46&zenid=b4e0c75b59f1b431c37c068a884c8dd1 For plug-in thermostats see:

http://www.thelightworks.net/index.php?main_page=product_info&cPath=46&products_id=381

No responses yet