How hot do you run your washing machine? If you're automatically reaching for a 40°C or 60°C cycle, you could be pouring hundreds of pounds straight down the drain each year.
New analysis has uncovered a staggering potential saving for UK households simply by tweaking the temperature dial on their appliance. The secret weapon? The humble 30°C wash.
The Cold, Hard Cash You're Wasting
Heating water accounts for a massive portion of a washing machine's energy consumption. According to the data, switching just one 40°C wash per week to a cooler 30°C cycle can save you up to £17 annually on your energy bill. But the real savings kick in for larger families or those with busier laundry schedules.
For households running four washes a week, the saving skyrockets to an incredible £142 per year by consistently choosing 30°C over 40°C. In an era of persistently high energy prices, that's a saving that's impossible to ignore.
Why Colder is Smarter for Your Clothes and Your Wallet
Modern washing detergents and machines are specifically designed to work efficiently at lower temperatures. The enzymes in today's biological detergents are highly effective at breaking down stains in cooler water.
Not only is a 30°C wash kinder on your finances, but it's also gentler on your clothes. Colder washes help to:
- Prevent colours from fading and keep blacks darker for longer.
- Reduce wear and tear on fabrics, extending the life of your favourite garments.
- Minimise the risk of shrinkage, especially for delicate items.
When You Still Need a Hot Wash
While 30°C should become your new default, there are still times when a hotter wash is necessary for hygiene reasons. Energy Saving Trust experts recommend reserving 60°C washes for:
- Heavily soiled items, like gardening clothes or sports kit.
- Household linens such as towels and bedsheets, particularly when a family member has been ill.
- Baby clothes and items requiring sterilisation.
For everything else – from everyday office wear to jeans and t-shirts – a 30°C wash is more than sufficient to get them clean and fresh.
Beyond Temperature: More Ways to Slash Laundry Costs
Adjusting the temperature is the biggest win, but other habits can squeeze even more savings from your laundry routine:
Wait for a full load: Running your machine half-full is incredibly wasteful. Always wait until you have a full drum to maximise efficiency.
Use an Eco mode: These cycles may take longer, but they use significantly less energy by heating water more slowly and using less of it.
Reduce tumble drying: Whenever possible, air-dry your clothes. Tumble dryers are one of the most energy-intensive appliances in the home.
Making the simple switch to cooler washes is a painless way to combat rising energy costs. It requires no upfront investment, protects your clothing, and benefits the environment by reducing your carbon footprint. It’s a clear win-win-win for your wallet, your wardrobe, and the world.
