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Some couples argue about what's for dinner or who needs to take the bin out next. In my house, we've recently argued over how to keep cool in a heatwave. Granted, when it gets really hot, everyone's tempers are a little... shorter, but I firmly stood by my point that during the scorching weather, we should be keep the windows closed.In fact, what I really wanted to convince him to do was 'house flushing' and after the most recent heatwave, I've finally converted him. Performing a 'house flush' sounds unusual, but it's actually pretty simple. It's a technique that takes closing the windows to the next level and it's quickly become my favorite heatwave hack. Paired up with the 'caveman method', I'm managing to keep my house a heck of a lot cooler.How does it work?To perform a 'night flush' on your home, you keep your windows closed during the day when it's hotter outside than it is inside. Then, at night, when (or if) it gets colder outside, you can open up the windows and flush out all the heat from inside and invite in the finally cooler air.As @gbisbydiy explains on TikTok: "The key is understand when to let the outside air in and when to keep it out. Avoid the common mistake of opening windows when the temperature outside is higher than inside. This only services to let more heat into your home. Instead, focus on utilizing cooler periods, particularly overnight, to your advantage."Like flushing a toilet, grab hold of those window handles and release them to open up your windows and dump out all that hot air that's accumulated inside. Then, you'll hopefully achieve a much cooler and more relaxing evening.Here's what happened when I tried it
