Mastodawn

Renting in Germany means no split AC bolted to the facade, so my top-floor 1970s office got the consolation prize: a single-hose "monoblock" portable.

Plot twist: the compressor was never the problem. The window was. These things leak most of their cooling back in through the unsealed hole the exhaust hose runs through.

My fix: a cheap XPS panel clamped under the roller blind, hose port sealed with rubber tape. No glue, no marks, comes out when summer ends. Dropped the room 6 to 7 °C in 45 minutes.

New post:
https://blog.hofstede.it/a-monoblock-ac-is-only-as-good-as-its-window-seal/

#DIY #AirConditioning #Homelab #Germany #Heatwave

A Monoblock AC Is Only as Good as Its Window Seal

I moved into a top-floor 1970s apartment in one of the warmest corners of Germany, work from home, and needed the office to stay below “thinking is hard now”. A single-hose portable AC is a thermod...

Larvitz Blog

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Master of Potate 🥔Jun 7

@Larvitz Midea makes a portable split AC. They are not cheap and you still need to lead the umbilical outside somehow but I think they are a lot more efficient and silent. I have one like you and I funnel the heat outside through my fireplace. But this needs some more tinlkering because the metal heats up from the hot air. I need more insulation inside the fireplace.

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Larvitz

@chris I might consider something like that when my device dies. But as long as it works, I'll keep using that for the small office space. It's just a 12 square meter room and I only use it during work-hours.