Octopus Energy Advocates Simple Boiler Adjustment to Slash Household Energy Bills
Octopus Energy, a major supplier powering over 10 million homes globally, is urging UK households to implement straightforward energy-saving measures that could collectively save hundreds of pounds annually. One particularly effective recommendation involves a minor adjustment to combi boilers, which could reduce gas bills by up to £65 per year.
The Money-Saving Boiler Challenge Explained
The company specifically advises setting the flow temperature on combination boilers to between 55 and 60 degrees Celsius. Octopus Energy directs consumers to Nesta's Money-Saving Boiler walkthrough for detailed guidance, noting that savings may vary slightly depending on the boiler model.
Combi boilers, short for combination boilers, are the most prevalent type in the UK, functioning as condensing boilers that provide both hot water and central heating from a single compact unit. Unlike traditional systems, they do not require a separate water tank, making them space-efficient. Their primary advantage lies in energy efficiency, as they heat water on demand rather than maintaining a constant supply.
Substantial National Impact Potential
According to Nesta, the organization behind the boiler challenge, if 10 million households adjusted their combi boiler flow temperatures to 60°C or below, the collective impact would be staggering. This simple change could eliminate £1 billion from UK energy bills annually and reduce carbon emissions by 1.7 million tonnes—equivalent to nearly six million transatlantic flights.
Nesta's walkthrough clarifies that combi boilers operate most efficiently when radiator heating is set to 60°C or lower. However, flow temperatures are frequently configured much higher, typically between 70°C and 80°C. The adjustment process requires only a few minutes and is completely reversible, posing no risk to homeowners who wish to experiment.
Comprehensive Energy-Saving Recommendations
Beyond the boiler adjustment, Octopus Energy has compiled a list of ten practical tips that could collectively save households approximately £517 per year. These recommendations include:
- Air drying laundry instead of using tumble dryers or radiators, potentially saving £50.
- Draught-proofing homes to prevent heat loss, with potential savings of £85.
- Optimising thermostat usage by timing heating precisely, which could save £90.
- Installing insulation jackets on hot water tanks, potentially saving £40.
- Switching off standby devices, with potential savings of £45.
- Reducing shower duration, potentially saving £45.
- Replacing halogen bulbs with LEDs, which use 80% less electricity and last 20 times longer, potentially saving £45.
- Washing clothes less frequently and at 30°C, potentially saving £27.
- Changing to an efficient shower head, potentially saving around £25.
These measures, combined with the boiler adjustment, offer a holistic approach to reducing household energy consumption and costs.
Broader Context: Energy Supplier Credit Balances
This advice comes amid reports that energy suppliers are holding approximately £3 billion in customer credit, according to comparison site Uswitch. This figure has increased by £179 million compared to the previous year, with the average household now in credit by nearly £200. Consumers are encouraged to review their accounts to determine if they are eligible for refunds.
Octopus Energy's guidance underscores the significant financial and environmental benefits achievable through minor behavioral and technical adjustments. By adopting these practices, households can not only lower their bills but also contribute to broader sustainability goals.
