Maintaining Comfort in High Temperatures
As temperatures climb, ensuring your home and personal comfort becomes a priority. Experts offer straightforward strategies to help mitigate the effects of heat. Here are six key approaches to consider.
1. Optimize Airflow in Your Home
To encourage cooler air circulation, open windows on opposing sides of your residence, ideally when the outside air is cooler than inside, typically overnight or in the early morning. This helps to release trapped warm air. For apartments with windows on a single side, opening internal doors and using a fan can promote airflow. Since hot air rises, opening loft vents or upper-floor windows can help dissipate heat, particularly from sleeping areas. Additionally, good insulation can contribute to keeping heat out during warmer months, alongside its winter benefits for energy efficiency.
2. Block Out Daytime Heat
During the hottest parts of the day, it's advisable to keep windows closed and blinds or curtains drawn, especially on sides of your home exposed to direct sunlight. This prevents warmer air from entering and helps maintain a cooler indoor environment.
3. Enhance Cooling with Fans
Fans offer an energy-efficient way to circulate air and provide relief. A freestanding fan typically costs a small amount for 24 hours of use. Positioning a fan near an open window can draw cooler outdoor air into the room, provided the external temperature is lower. Placing ice cubes in front of a fan can also help cool the air it circulates. While fanning the face offers immediate thermal comfort, fanning the entire body is more effective at lowering core body temperature, according to Professor Mike Tipton. However, he cautions that using a fan when temperatures exceed 35°C might be counterproductive, as it would merely circulate hot air. Air conditioning, by contrast, is a significantly more expensive option.
4. Minimize Heat-Generating Activities
Appliances like ovens and cookers release considerable heat. Opting for cold meals, such as salads, especially during peak heat, can prevent unnecessary heat generation. Similarly, using washing machines and dishwashers during cooler times of the day can help reduce indoor heat. High humidity also contributes to discomfort and can lead to heat exhaustion. Reducing indoor humidity by taking shorter, cooler showers, wiping down wet surfaces, and moving indoor plants outdoors can be beneficial. It's crucial to distinguish between heat exhaustion, which usually resolves with cooling, and heatstroke, a medical emergency requiring immediate attention.
5. Personal Cooling Techniques
Tepid showers can effectively lower body temperature. Professor Tipton advises against excessively cold showers, as this can constrict blood flow to the skin, trapping heat within the body. Applying an ice pack or a cold-water bottle, wrapped in a towel to protect the skin, can provide instant relief. Clothing choices also play a role; natural, loose-fitting fabrics like cotton and linen allow for better air circulation and temperature regulation, which can also aid sleep.
6. Seek Alternative Cool Spaces
If your home becomes uncomfortably hot, public air-conditioned venues such as libraries, leisure centers, and shopping malls can offer respite. Many local authorities have also established designated "cool spaces" for public use during heatwaves.
Source: Six ways to keep your home and yourself cool in hot weather