![Windows closed? Windows open? What's the best way to keep your home cool in the heatwave? | Extreme weather | The Guardian Windows closed? Windows open? What's the best way to keep your home cool in the heatwave? | Extreme weather | The Guardian](https://i.guim.co.uk/img/media/9981e30b132e818c0ebb80adad21182120842e18/0_0_5541_3325/master/5541.jpg?width=1200&quality=85&auto=format&fit=max&s=903ad27005d4e5a38502865607ceb0b4)
Windows closed? Windows open? What's the best way to keep your home cool in the heatwave? | Extreme weather | The Guardian
Mississippi Power - Make sure to keep your blinds shut or curtains closed during the day to keep heat from the sun out and reduce the effort on your home's AC unit.
![Silicon Valley Power on Twitter: "It's going to be a warm day today! Sun coming in through the windows heats up your home. Keep the heat out by closing you blinds or Silicon Valley Power on Twitter: "It's going to be a warm day today! Sun coming in through the windows heats up your home. Keep the heat out by closing you blinds or](https://pbs.twimg.com/media/FR2tRGmVIAAB1qg.jpg)
Silicon Valley Power on Twitter: "It's going to be a warm day today! Sun coming in through the windows heats up your home. Keep the heat out by closing you blinds or
![Is it best to keep windows closed in hot weather - use this guide to keep your home cool | Express.co.uk Is it best to keep windows closed in hot weather - use this guide to keep your home cool | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/51/1200x712/1640375_1.jpg)
Is it best to keep windows closed in hot weather - use this guide to keep your home cool | Express.co.uk
![Will leaving my curtains closed help keep my house cool or will it actually make my home hotter? | This is Money Will leaving my curtains closed help keep my house cool or will it actually make my home hotter? | This is Money](https://i.dailymail.co.uk/1s/2019/07/24/10/16431632-0-image-a-9_1563960463391.jpg)