Is it better to have windows open in hot weather?

UK weather: Sun and cool temperatures forecast by Met Office

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Heatwaves have been enjoyed by many up and down the country. With temperatures forecast to remain high many will be desperate to keep their homes cool. On hot days the first thing many people will do is to crack open a window in a bid to stop themselves from overheating – but this might be part of the problem. 

It has never been more important to keep your home environment cool and comfortable. 

With working from home set to continue over the summer keeping your house at a comfortable temperature has never been more important. 

Sweltering home offices as well as causing great discomfort may lower your productivity and cause you to lose focus.

Stuffy bedrooms will guarantee that you have a poor nights sleep. 

In a desperate attempt to stop temperatures from soaring indoors many Brits will be wondering is it best to keep windows open or closed. 

Should I keep my windows open or close them?

As soon as temperatures rise don’t be tempted to immediately throw open your windows. 

Many believe this will let the ‘cool’ air in but if the temperature is higher outside than inside this will only set your house temperature soaring. 

If this is the case you should keep your windows closed and curtains drawn. 

This will help keep the heat out and to keep your home as cool as possible. 

If you do not know the exact temperatures outside compared to those inside the best practice is to keep your windows and curtains closed during the day in hot weather. 

If you open your curtains when the sun is beating down your windows can act like a greenhouse and heat up your home.

Whilst opening the windows if the temperature is warmer outside than inside can let in warmer air heating up your home. 

To make the most of the cooler temperatures be sure to open a window (if it’s safe to do so), at night or as soon as temperatures start to drop in the evening. 

This will let in that cool evening breeze and hopefully banish uncomfortably hot nights. 

Temperatures are often cool in the early mornings so leaving windows during this time can further help to cool your home but remember to close them as soon as temperatures start to rise. 

If the idea of keeping all your curtains drawn during the day saddens you then tactically choosing which ones to keep open might be the solution.

Keep your curtains closed in the rooms where the sun hits that part of your house. 

It depends on how your house is orientated but it might be best to keep your curtains drawn at the front or the back of your house.

If you are working from home you might want to choose a room in your house where the sun does not shine directly in. 

When you do have your windows open in the evenings and early mornings, make sure the cool air can circulate around your house. 

You may need to prop open interior doors so that the cold air can cool down all the rooms in your house. 

When leaving windows open always make sure that you are at home and consider if it is safe to leave certain windows open.

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