The air is blown over a network of tubes filled with a fluid (refrigerant) which warms and turns from a liquid into a gas.

Source: https://www.dunfermlinepress.com/news/23451299.west-fife-primary-schools-get-air-source-heat-pumps/?ref=rss

“The lady was blown over by Marilyn's service.

Source: https://www.northwichguardian.co.uk/news/23868868.asda-employee-praised-going-beyond-customer-need/?ref=rss

'This has all blown over on our level, it's other people that are jumping onboard and making these accusations that are worsening the situation.'

Source: https://www.dailymail.co.uk/news/article-11729287/Noir-Sydney-Oxford-St-staff-slammed-kicking-trans-woman-drag-queen-female-toilet.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

We had left grass between the weed-sprayed rows of young seedlings, to reduce costly pesticide use and protect the soil microbiome, and the grass had blown over the seedlings, shielding them protectively against the 250km/h winds that raked the landscape.

Source: https://www.theguardian.com/australia-news/2023/feb/05/our-fate-rests-on-efforts-like-this-the-family-restoring-precious-rainforest-to-its-former-glory