--- title: Tricking An Air Conditioner Into Cooling | daily.dev description: A YouTuber known as GreatScott! investigated why his air conditioner performed poorly once outdoor temperatures dropped, despite working fine during a... canonical: https://daily.dev/posts/tricking-an-air-conditioner-into-cooling-zlg2fcxwk twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Tricking An Air Conditioner Into Cooling | daily.dev og:description: A YouTuber known as GreatScott! investigated why his air conditioner performed poorly once outdoor temperatures dropped, despite working fine during a... og:url: https://daily.dev/posts/tricking-an-air-conditioner-into-cooling-zlg2fcxwk og:image: https://api.daily.dev/og/posts/zlG2FcxWK.png og:image:alt: Tricking An Air Conditioner Into Cooling og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Tricking An Air Conditioner Into Cooling **[Hackaday](https://daily.dev/sources/hackaday)** · 2 min read · 1 upvotes · 0 comments ## Summary A YouTuber known as GreatScott! investigated why his air conditioner performed poorly once outdoor temperatures dropped, despite working fine during a heatwave. He built a small heater circuit paired to the outdoor heat exchanger's temperature probe to trick the control circuitry into a different operating mode, which restored cold air output. He later removed the hack to avoid damaging the unit, since the root cause (possibly humidity or condenser pressure requirements) remained uncertain. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [WTF: Home Edition](https://daily.dev/posts/wtf-home-edition-u9gqxk85r) · The Daily WTF · 0 upvotes · 0 comments - [Heating Up](https://daily.dev/posts/heating-up-nkxnbympr) · The Daily WTF · 0 upvotes · 0 comments - [Making A DIY Refrigerated Vest With Battery And Solar Power](https://daily.dev/posts/making-a-diy-refrigerated-vest-with-battery-and-solar-power-g5kzotowg) · Hackaday · 0 upvotes · 0 comments --- Tags: [#sensors](https://daily.dev/tags/sensors) [View this post on daily.dev](https://daily.dev/posts/tricking-an-air-conditioner-into-cooling-zlg2fcxwk) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Tricking An Air Conditioner Into Cooling","url":"https://daily.dev/posts/tricking-an-air-conditioner-into-cooling-zlg2fcxwk","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/tricking-an-air-conditioner-into-cooling-zlg2fcxwk"},"datePublished":"2026-09-01T05:03:25.138Z","dateModified":"2026-09-01T05:44:26.080Z","description":"A YouTuber known as GreatScott! investigated why his air conditioner performed poorly once outdoor temperatures dropped, despite working fine during a...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/a0d3d9854a5e4e533c08bf48ece58c09?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/a0d3d9854a5e4e533c08bf48ece58c09?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"Hackaday","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Hackaday","logo":"https://media.daily.dev/image/upload/s--JhDfhy70--/f_auto,q_auto/v1767541814/logos/hackaday","url":"https://daily.dev/sources/hackaday"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/tricking-an-air-conditioner-into-cooling-zlg2fcxwk","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"sensors","timeRequired":"PT2M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Hackaday","item":"https://daily.dev/sources/hackaday"},{"@type":"ListItem","position":3,"name":"Tricking An Air Conditioner Into Cooling"}]} ```