Since they've been scaring us about the harsh effects of the El Niño season, let's take a peep at how we can keep our homes cool, especially when temperatures are said to remain high even at night. If you have air-conditioning systems, it may not be smart to just turn them on when it feels hot--because most times it will be hot, almost 24/7.
Photo by prottoy hasan on Unsplash.
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One of the best ways to beat the heat is to prevent sunlight from entering your home in the first place. Use curtains, blinds, or window shades for this, especially during the hottest hours of the day, particularly on windows facing the afternoon sun. If possible, use light-colored or reflective curtains because they help reduce the amount of heat absorbed indoors. Installing awnings, outdoor blinds, or even strategically placed shade screens can also prevent direct sunlight from heating your walls and windows.
If your house has two levels (upper and lower), it's a good idea to remain on the lower level during the day. The roof and the upper level can serve as barriers to the heat from the sun. Often, it feels cooler on the ground floor in a two-level house, especially if it has wide windows on lateral sides allowing air to easily enter in and flow freely.
Strategic Use of Fans
Proper ventilation is important. Open windows early in the morning and later in the evening when outdoor air is cooler, allowing fresh air to circulate throughout the house. During the hottest part of the day, however, keep windows closed if the outside air is hotter than the air inside. Use electric fans to improve air movement, but position them strategically. A fan near an open window can help push hot air outside, while another window can allow cooler air to enter. Ceiling fans are also useful, but make sure they rotate in the direction that pushes air downward during hot weather. Remember that fans cool people by helping sweat evaporate; they do not actually lower room temperature.
Heat from the Inside
Another effective approach is to reduce the heat produced inside your home. Avoid using ovens, stoves, clothes dryers, and other heat-generating appliances during the hottest hours. Prepare meals earlier in the morning or later in the evening, and choose lighter meals that require less cooking. Switch off unnecessary lights and appliances, especially those that generate heat. Replace traditional bulbs with energy-efficient LED lighting, which produces much less heat. If your roof absorbs intense sunlight, consider installing reflective roof paint, insulation, or radiant barriers to reduce the heat entering your home. Planting trees, growing vines, or placing potted plants around sunny areas can also provide natural shade and help make your surroundings more pleasant.
But planting should've been done a year or so earlier. I add it here so you can start planting trees to get ready for a future El Niño, heat wave or super hot season. They're bound to come.
Finally, stay hydrated and create a cooler sleeping environment. Use breathable cotton sheets, lightweight clothing, and cool showers before bedtime. Keep drinking water readily available throughout the day. Most importantly, remember that extreme heat can be dangerous, particularly for children, older adults, and people with existing health conditions. If indoor temperatures become unbearable, spend time in a properly cooled public place or another safer environment. By combining shade, ventilation, reduced indoor heat, and sensible daily habits, you can make your home significantly more comfortable even during the hottest days of El Niño.

















