RT @jester: Annual hot weather reminder that if you’ve got sash windows and open them equally at top and bottom you can enjoy some Victorian “air conditioning” that ventilates and removes heat https://www.eng.cam.ac.uk/news/science-behind-sash-windows-and-how-they-ventilate-our-homes https://t.co/lWm9iedqc1

🐦🔗: https://n.respublicae.eu/JeanLambertLDN/status/1667301143326670852