Electric Central Heating Facts

You may hear it said that all electric heating systems are the same because they are all 100% efficient, but try warming a room with a 1 kilowatt heater and then a 1 kilowatt steam iron; both have the same efficiency and both will cost exactly the same to run, however the heater has a much larger surface area.
The larger the surface area of a radiator, the better the heating capacity will be and some of our German storage radiators at just 3 feet long have 15 square feet of surface area, but this is only part of the story.

Our german electric radiators spread warmth evenly – the key to a comfortable, cosy room. Ever wondered why your toes can feel chilly while the heating’s on full? With many kinds of heater, it’s because the warm air is stuck above your head.

Drafts and Cold Air

If you have a draft and you can’t find the source, it may well be caused by a radiator that is the wrong size and in the wrong place. Cold air is attracted to warm air and this may cause the draft so as a rule of thumb no part of a room should ever be more than around 13 feet from the heat source.

Is central heating the best option? Central heating has certain drawbacks, unless of course you are constantly running around the house turning radiators in different rooms on and off every day and night. With central heating the wall thermostat that is usually located in your hall is controlling the heat centrally, which means that the radiators in the bedroom (or other rooms that you are not using) are using up expensive energy when you are in the living room.

You also need to take into account the annual servicing and ongoing maintenance costs of central heating, even today’s modern combi boilers are not expected to perform for a great number of years and can cost thousands of pounds to replace. We believe our modern German electric radiators are the best cost effective solution.

You can arrange for an energy assessment to calculate your U-value (Heat loss calculation) by telephoning a local estate agent as they will have contact details for assessors who can also further advise you on how to improve insulation, often at little or no cost.

What factors affect how much your electric central heating system costs to run?

The cubic volume of your property

The ambient (outside) temperature

The property U-value

The temperature you want your house to be maintained at

The direction the property faces

Your electricity tariff

What is U-value? It is a measurement of the thermal loss through your walls, floor, ceiling and windows. The UK has overall the worst U-values in Western Europe and this alone determines running costs with probably more practical relevance than any other factor. For example, a property with a U-value of 0 theoretically requires no heating whatsoever whereas a property with a typical UK U-value of 3 will require a radiator in every room.

Is our electric central heating system cheaper to run than mains gas? The cost of gas is certainly lower than electricity and it appears on the face of it to be cheaper to run even though it’s unlikely to stay that way long term. If you consider regular servicing and maintenance costs along with the cost of boiler replacement every 10 years, then things start to look very different. When you take into account how much heat escapes via the flue and the inefficiency of gas boilers compared to electric then we can certainly make the case. In addition, government environmental policy is to move away from using fossil fuels so by choosing electric you would be future proofing your heating system.

Furthermore, if you rent out a gas heated property there’s annual inspection charges and the new EU regulation on flues for rented properties means it might be far too impractical to consider mains gas. If you are thinking about retro fitting a mains gas system then be careful because the mess involved in fitting pipework and boilers takes weeks, if not months, to clear up. We regularly receive feedback from our customers and they tell us how they’re doing and how our radiators are performing. Interestingly much of the feedback is not about how much is being saved but more about how much warmer they are now!

Energy bills are a subject all of us are interested in but most people have great difficulty understanding them. When you arrange a survey, your local Ecowarm surveyor will explain exactly how to read your energy bill and he will also advise you of the best way to control your electricity usage.

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