Updated: June 27, 2026
British Gas and other energy specialists are urging consumers to pay closer attention to how they use their washing machines, highlighting that common habits such as choosing high-temperature wash cycles or running half-full loads often increase electricity consumption more than many people realise.
Modern washing detergents are formulated to clean clothes effectively at much lower temperatures than in the past, meaning many households may be using hotter settings unnecessarily. Since heating water accounts for the largest portion of a washing machine’s energy use, reducing the wash temperature can significantly lower the amount of electricity required for each cycle.
Cooler Washes Can Cut Energy Costs
Experts say switching from hotter washes to lower-temperature programmes can help households save money while still achieving effective cleaning for everyday clothing.
Beyond reducing electricity use, cooler washes are also gentler on fabrics, helping clothes retain their colour and quality for longer. Lower temperatures can also reduce wear on washing machines by placing less stress on internal components over time.
For most everyday laundry, specialists recommend reserving hotter cycles only for items that genuinely require higher temperatures, such as bedding, towels or clothing used during illness.
Avoid Running Half-Empty Loads
Another common mistake identified by energy advisers is using the washing machine for small loads.
Although a half-full drum may seem convenient, the appliance consumes almost the same amount of electricity and water regardless of how many clothes are inside. As a result, washing fewer items at a time increases the energy cost per garment.
Waiting until the machine is close to its recommended capacity allows households to complete fewer wash cycles each week, improving overall efficiency and helping reduce electricity usage.
Eco Programmes Are Designed to Save Energy
Many consumers continue to avoid Eco settings because they often take longer to complete. However, energy specialists say these programmes are specifically designed to minimise electricity consumption.
Eco cycles typically operate at lower temperatures and heat water more gradually, allowing the machine to clean clothes effectively while using less energy overall than many standard or quick-wash programmes.
Although the cycle length may be longer, the reduced power demand often results in lower running costs.
Consider Washing During Off-Peak Hours
For households using time-of-use electricity tariffs, the timing of laundry can also affect monthly energy bills.
Running washing machines during off-peak periods, when electricity prices are lower, may offer additional savings. While these tariffs are not available to every household, energy providers continue encouraging customers to shift appliance use away from peak demand periods whenever possible.
Small Changes Can Add Up
Consumer organisations say practical behaviour changes are becoming increasingly important as families continue looking for ways to manage household expenses.
Unlike installing insulation, replacing appliances or investing in renewable energy systems, changing washing habits requires no upfront investment. Simple adjustments such as lowering wash temperatures, filling the drum properly and selecting Eco programmes can collectively reduce household energy consumption throughout the year.
The UK government’s official energy-saving guidance also recommends using appliances efficiently, avoiding unnecessary energy use and making the most of energy-saving settings wherever practical.
As electricity prices remain a concern for many households, experts believe smarter use of washing machines represents one of the easiest ways to cut everyday energy costs. By making a few small adjustments to routine laundry habits, families may be able to lower their bills while also extending the lifespan of both their clothing and appliances.
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