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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siklist Jun 7

@Larvitz

You could even insulate the hose.

At least, that’s what I’m planning to do. I’m not sure how I’m going to go about it yet, but I’ll definitely do it. As I don’t have any blinds on the window, I’m going to fit some sort of panel with a hole in it into the fully open window. That’s the plan so far. We’ll see.

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Phil Dennis-Jordan

@siklist @Larvitz Yeah, the hose is the other weak link on those things.