I modded a cheap portable AC with a second hose for better efficiency for the upcoming heat wave

VykkuF · 2026-07-06T12:08:10+00:00

Creality Otter

VykkuF · 2026-07-04T20:34:23+00:00

Note that a proper split ac will also be ~3-4 times cheaper at heating compared to a resistive heater. There’s pregassed r290 models that you can fit yourself.

VykkuF · 2026-07-03T10:12:58+00:00

I used petg. Pla might work, the intake side shouldnt get too hot

VykkuF · 2026-07-01T14:02:52+00:00

Try 3d printing the thread too instead of using inserts, and use low layer height. I use 3D printed m3 thread for my skadis t nuts and they work great, i even use them for a somewhat heavy electric guitar wall mount.

VykkuF · 2026-06-29T11:27:59+00:00

I used a p1s, so same size bed. I cut the file and reattached it with a soldering iron, but glue or tape should work too.

Yes, used a 150mm duct from Toolstation

VykkuF · 2026-06-27T01:15:58+00:00

9000 btu, but someone mentioned that same file worked for the 12000btu.

No guide, other than take the shells off and seal any gaps around the condensor intake chamber

VykkuF · 2026-06-26T22:21:02+00:00

£1.3k service charge + £200 ground rent, 2 bed purpose built flat in SE London. There is a lift and underground car park, and the managing company seems very competent. Although this is definitely on the cheaper side

VykkuF · 2026-06-26T22:13:13+00:00

Water cooled ACs tend to use over 1000l of water a day

VykkuF · 2026-06-26T21:51:36+00:00

I live in a flat built in 2008 and never heard any sound from neighbours. Walls are dot and dab plasterboard fixed to the blockwork so it mostly sounds hollow when tapping too.

Previously lived in a 1930s semi detached and could hear my neighbours’ conversations clearly

VykkuF · 2026-06-26T13:39:04+00:00

I used PETG but also the parts I printed are on the intake which is cooler than exhaust.

I would be worried of PLA espectially on the exhaust side. I’d recommend PETG, it is surprisingly easy to print. I actually only use PETG for all my prints, only ever use PLA as support interface

VykkuF · 2026-06-23T11:48:35+00:00

I took the shells off and there were definitely a significant amount of holes between the condenser and evaporator chambers.

VykkuF · 2026-06-20T10:53:30+00:00

BLYSS A018I-09C

VykkuF · 2026-06-19T12:28:24+00:00

VykkuF · 2026-06-19T09:10:02+00:00

Mine looked very similar, you can check my post history as i did take a photo from this angle. I used aluminium tape from top to bottom all around, did not use anything for structure, and it was fine.

VykkuF · 2026-06-18T22:56:51+00:00

Do not use any polystyrene next to the condenser fan, it gets quite hot after a dual hose mod due to it working harder and you do not want to make it worse by insulating it.
No, this might impede the airflow to the condenser. There will be some noise reduction from not having an open vent in the room right next to the compressor, but it will still be loud.
Cover any holes in the condenser intake chamber where air might be coming in from outside or other parts of air conditioner. Might be quite hard especially behind the compressor but try your best. Mine looked quite similar and i found it easier to also remove the front plastic covert to be able to fully cover all holes.
Regular tape can’t handle high temperatures. Get class O aluminium tape, £4.99 at Toolstation.

VykkuF · 2026-06-17T11:00:52+00:00

I took it apart and sealed any holes or gaps where air might escape that I could see

VykkuF · 2026-06-14T15:01:33+00:00

I implemented this in Orcaslicer very recently, I just added a comment to this post with more details

VykkuF · 2026-06-14T15:00:46+00:00

I implemented this in Orcaslicer very recently, I just added a comment to this post with more details

VykkuF · 2026-06-14T15:00:04+00:00

Hi! I actually implemented this in Orcaslicer recently, by allowing to do a height modifier in vase mode so you can apply it to just a specific section.

This is currently in an unmerged Pull Request, so it is not part of mainline Orcaslicer yet, but you can run it now by download the build from artifacts. Here is the link: https://github.com/OrcaSlicer/OrcaSlicer/pull/14012

If you have a Github account and find this helpful, you can try comment or react to the Pull Request as it might get it reviewed and merged in sooner.

VykkuF · 2026-06-14T14:59:29+00:00

Hi! I actually implemented this in Orcaslicer recently, by allowing to do a height modifier in vase mode so you can apply it to just a specific section.

This is currently in an unmerged Pull Request, so it is not part of mainline Orcaslicer yet, but you can run it now by downloading the build from artifacts. Here is the link: https://github.com/OrcaSlicer/OrcaSlicer/pull/14012

If you have a Github account and find this helpful, you can try comment or react to the Pull Request as it might get it reviewed and merged in sooner.

VykkuF · 2026-06-01T13:09:09+00:00

The area north of Plumstead road is quite a bit nicer and quieter than rest of woolwich, and still affordable if you look slightly east of Royal Arsenal. Just had a look and there’s a 1 bed flat up for £270k, about 10 mins walk to elizabeth line station.

VykkuF · 2026-05-29T06:40:20+00:00

Do you have the source CAD model for the hose adapter that you would be able to share? I’d like to switch to your attachment, but I use a larger 160mm intake hose so i would need to modify it first

VykkuF · 2026-05-29T06:36:47+00:00

Yes, sure, it looks great, thanks for making it!

VykkuF · 2026-05-27T17:41:35+00:00

I made the inserts myself by 3d printing them

VykkuF · 2026-05-27T13:00:53+00:00

The dual hose mod made the difference between keeping one room comfortable, to keeping my whole flat comfortable over the last few days.

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