It's that time of year again when the freezing weather forces us to begrudgingly switch the heating on.

However, you may find that your heating is not working as efficiently as it should after months of being out of use.

One thing that is always worth checking ahead of the winter months is the water pressure. This can have a massive impact on your energy bill.

The exact boiler pressure that will save you money on your heating bill

According to EDF, it is always worth checking the pressure gauge on your boiler regularly to ensure it is working at maximum efficiency.

If the pressure is too low, the system may become inefficient, using more energy to heat your home and raising your bill.

Boiler pressure should generally be between 1 and 2Boiler pressure should generally be between 1 and 2 bars (Image: Getty Images/iStockphoto)

The utility company states: "Normal boiler pressure should be between about 1-2 bars.

"The ideal boiler pressure is often marked as a range in green on the gauge itself. With red indicating the low and high boiler pressure zones.

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"Bear in mind that your boiler may continue to work if the pressure is in these red zones. But if it's shutting down or won’t switch on, you've got a problem.

"Even when your boiler’s working well, it’s a good idea to check the pressure occasionally. And to know how to release boiler pressure when it's too high. And how to top up boiler pressure – when it's too low."

You should always consult with your boiler manual before attempting to change your pressure.