Simple boiler adjustment that takes just 60 seconds will save £163 a year

Save up to £163 a year with this simple boiler adjustment (Image: Getty)

A simple 60-second boiler adjustment can decrease your energy bill by a whopping £163 every year.

With the winter temperatures continuing throughout February, you may still be paying an arm and leg for your energy bill, with the only other option being to freeze.

But what many people don’t realise is that a simple adjustment to their boiler’s flow temperature could save them £65 in just seconds.

Many boilers are set by default to a high flow temperature of 70 – 80°C, and while this ensures fast heating, it wastes energy as excess heat escapes through the boiler flue.

So, if your flue constantly looks like a chimney, you might benefit from making a small adjustment.

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Close-up of a woman hands over radiator

Radiators will heat up slower but will still reach the temperature they are set to (Image: Getty)

Stephen Day, a Heating Engineer at , explains: “Lowering the flow temperature of your boiler is one of the simplest yet most effective ways to improve boiler efficiency. It’s a quick adjustment that can save energy and money without sacrificing home comfort.”

He adds that lowering the flow temperature of your boiler to 60°C will make it operate in “condensing mode,” a more efficient state that recovers heat that would otherwise be lost.

Making this adjustment will still keep your thermostat temperature the same, although it will likely take slightly longer for radiators to warm up – but that’s certainly with it to save on your energy bills.

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Person turning the boiler down

This adjustment takes just seconds (Image: Getty)

Turning your boiler flow temperature down, could reduce your bills by as much as 9%, according to the experts, who point that the average household could save around £163 a year or £13 a month.

How to adjust your boiler’s flow temperature:

  1. Start by locating the flow temperature control, which is typically a dial or digital setting on the boiler panel and is often marked with a radiator symbol.
  2. If the control has numbers, set it to 60°C. If no numbers are shown, use the midpoint as a general guide.
  3. Monitor your home’s temperature and adjust slightly if needed.

Stephen adds: “If your boiler is connected to a hot water tank, consult a professional before making this change to avoid unintended issues.”

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