As the UK endures another heatwave with temperatures exceeding 30°C in many regions, experts are urging households to avoid using heat-producing appliances such as ovens, tumble dryers, and dishwashers on Friday, when conditions are expected to peak. Forecasts indicate that some areas will become even hotter before a slight easing over the weekend.
How Appliances Contribute to Indoor Heat
Many everyday household items emit heat during operation, which can quickly raise indoor temperatures, particularly in kitchens. According to experts at Better Homes & Gardens, using these appliances sparingly during a heatwave can make a noticeable difference. The experts explained: "The key to keeping your home cool in the summer is to use heat-inducing appliances sparingly."
Ovens and hobs are among the biggest sources of heat. Cooking meals this way can rapidly elevate kitchen temperatures, especially when it is already hot outside. Instead, the experts recommend using smaller appliances like microwaves or toasters, which produce much less heat. If oven or hob use is necessary, they advise doing so early in the morning or later in the evening when temperatures are lower.
Tumble Dryers and Dishwashers: Major Heat Sources
Tumble dryers are another appliance to avoid during a heatwave. Not only do they release hot air while running, but opening the door afterwards releases a burst of heat into the room. With warm weather, households can dry clothes outside on a washing line or indoors on a drying rack instead.
Dishwashers also contribute to indoor heat by releasing heat, steam, and humidity during operation. The experts suggest running them overnight or early in the morning rather than during the hottest part of the afternoon. Skipping the heated drying cycle and drying dishes by hand can further reduce heat output.
Vacuum Cleaners and Lighting
Vacuum cleaners add unnecessary heat to homes. During very hot weather, the experts recommend using a broom or dry mop for hard floors, and leaving any vacuuming until the morning or evening. Lighting also matters: traditional incandescent bulbs convert about 90% of their energy into heat. Replacing them with LED bulbs can help keep rooms cooler, as LEDs produce far less heat and use less electricity.



