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How efficient is my old boiler?

You have probably heard about the recent energy price rises that will force UK homeowners to pay up to £700 more for electricity and gas annually. Therefore, now is the time to be aware of how efficient your boiler and other energy-consuming appliances are. Fortunately, there is a lot you can do to discover how efficient your boiler is and whether you can fine-tune it for more energy savings. Here’s how to discover your old boiler’s efficiency.

The cost of inefficient boilers

You will pay more for heating if you own an inefficient electric, combi, or gas boiler. An inefficient boiler will cost you more energy because it burns through a lot of fuel and will struggle to satisfy demand. Therefore, your old boiler might be operating at 60% to 70% or E-G efficiency levels.

Discovering your old boiler’s efficiency

You can check your boiler’s efficiency by looking out for a sticker with an energy efficiency rating on it. If your boiler is older, you can scan for the model number and check its rating in the PCDB database. You may find your boiler’s efficiency displayed as:

  • A percentage (SEDBUK rating) – A SEDBUK rating of 90% is quite high and efficient, while anything below 70% is poor
  • A letter (ErP rating)- A boiler rated A+++ is top of the class, while G boilers are the least efficient

Increasing your old boiler’s efficiency

You can have your old boiler serviced to make it more efficient and save money. Top-notch boiler service may even suffice so much that a new boiler installation might be unnecessary. You can make your old boiler more efficient by bleeding your radiators, insulating pipes, and topping up the pressure.

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