Viva Gas Energy Efficiency Matters

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Today there are an estimated four million households that are not on the gas grid; however there are several alternatives to heating an off grid property such as; solar, ground source or oil.

Oil is also known as a wet system. An oil boiler works by heating water within the property and feeding the water through the radiator system.

Oil is delivered to the property and stored in a tank outside; this tank has to be rented or bought from the oil supplier.

Pros of an oil system

  • Efficient off grid heating source
  • Available as heat only and combination condensing oil boilers.
  • There are oil boilers designed specifically to be placed outside which can save on space inside
  • External oil boilers are surrounded by a fully insulated cabinet to provide optimum performance through freezing temperatures
  • Oil is a highly efficient fuel, utilising modern condensing technology, oil boilers now achieve 90% efficiency

Cons of an oil system

  • There needs to be space available externally for the oil storage tank, the tank also needs to be easily accessible by the oil supplier
  • The hot water temperature can decline in an oil system when more water is used


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If you would like to receive a quote, please fill in the form below. You can also call Viva Gas on 08006 123177 Monday to Friday 9-5pm.

"After discovering the bottom part of some of my radiators were never getting warm, I rang Viva Gas for some advice. They were very helpful and sent out an engineer straight away who power flushed my central heating system. It’s now working like it is brand new." - Mrs Swallow

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