Honestly, this is the “best” mod building for ONI. An actual airlock. I love it so.

Just a hint however, for building access to hot steam rooms or the like. Players should build an insulated mechanized door on the hot side of it, to keep precious heat from escaping. This Airlock Door conducts a lot of heat.

Please update this! A black square appears top on the airlock after first use!

resub works with me

fed up having my liquid lock fail or my temporary liquid evaporated, this should've been in the base game. Though to be honest, it not having gas and or liquid output pipe bothers me a little bit.

the mod is broke for me :(

i think this mod is for people who prefer realism, as a luqid lock wouldnt work irl. however making realistic airlocks in-game is very annoying, needing air pumps, sensors and automation to check whether it's a vacuum and wasting a lot of power. so i love this mod for being a more realistic and simpler alternative to liquid locks

Thanks for the tip Pimp Cane Charles!

as nice as this is, liquid locks use no power, would be nice if it was configurable

Pimp Cane Charles comment worked! The game doesnt crash now.

@rafealninja13 to those having the "insufficient space error." error, this is due to incompatibility with Onedrive. There are two options; 1. Completely stop syncing with "Onedrive". Turn it off as best you can. Next, go to you "Documents" folder and find the "Klei" folder. You'll find an "OxygenNotIncluded" folder. Rename it "OxygenNotIncludedBKU". Now you have no regular folder. Start the game. THe error should stop. If it doesnt, use steam to validate your files and then restart your computer. WHen you come back up, check your Documents folder and make sure there is still no original ONI folder. If there is, delete it. Completely stop Onedrive and all syncing again. Now try to start the game. If it doesn't work, keep trying or see option 2. #2. Its like option 1 except first you completely uninstall every onedrive service and software. Be sure to remove registry entires. Now follow through 1 and ignore the parts about one drive.
Enjoy.

Worked with mod manager to remove and reinstall the mod.

Yup, whenever starting the game it repeatedly says "Content Changed: Airlock Door. Restart Required" along with an Insufficient Space Error. Tried uninstalling and reinstalling the mod and it didn't resolve the issue.

looks like this mod is crashing the game after the new update

https://github.com/peterhaneve/ONIMods/releases/tag/ModsLatest
下载后本地安装

Install Mod Updater mod and force update this one

out of date! 21/nov/2025

As the OG complainer of this recent issue I'm prod to announce:
IT WORKS!!1 (on my machine at least)

That steam issue is fixed just a fyi

Steam auto mod update is broken since a while. Until they fix it there is nothing we can do. Not even modders.Either you install the mod locally downloading it from steamdownloader, or you are out of luck. Github versions are out of date and wont work either. Tried some from sgt_imalas and shanchozz. They say github verisons are up - to - date. Well its not the case, sadly.

Still not working.
Did the dev update the mod to be compatible with something in Beta but thereby made it uncompatable with (older) current version of the game?

For the record, nothing worked for me either

Latest update to this mod says its for U57-699077 but the current game release is version U56-693461. Steam is showing no pending updates for the game but Klei lists U57-699077 as a test release. Presumably being compatible with a future release is why this is not currently working

Workarounds from the github did not work for me either. :( Love this mod so I hope the issue can be resolved.

Dev solutions did not work for me :(

did those solutions work? @cationF

Dev answer:

This is an issue with the Steam Workshop. Some workarounds include clearing the download cache, reinstalling ONI or deleting the ACF file (appworkshop_457140.acf)

opened an issue on github

I haven't updated to the new update (still says last update was in october, and no update appears available though I know it's coming) and this is still not working for me :(

I confirm. Does not work right now.

not working after the update

It doesn't work after this update. it's being uninstalled automatically at the start of the game, no matter what you do.

Doesn't seem to be working in the most recent update.

Bug? When duplicant carries anything with high temperatures while going through the airlock doors the doors are instantly spicy, thousands of degrees in seconds.

crashes in the new U57 public test once built

I've seen that guy around on other mods and he kind of just seems haughty.

@n3mes1s I don't like water locks because they are unrealistic. they actually annoy me, you aren't being an honest critic, you are complaining about a mod that isn't supsoed to be better then the in game explot, not being better than the in game explot. your point is irrelivent. no one has said that you aren't right, they have just said that you are being weird and you should stop being hatfull, I think you should either, a, learn the diffrence between bad faith and good faith augerments, or b, admit you don't actually care about helping improve the commuity, you just want to be right, or worse, you want to be hated. get help.

well this is also alot more space effiecnt and takes alot less hassal to build

Or you know, you could just let people use what they want to use instead, whether it's better or not.

Oh god how dumb is this community.. cant get an honest critic without being a bunch of idiots.. it doesnt matter how "cool" the mod is, its a true fact that a regular water lock is a million times better. But i know i know, the door looks cool and that.. (dummies).

i was checking mods that i used and searching for new ones after 2 years since i last played then i encountered this n3mes1s guy ♥♥♥♥♥♥♥♥ around in one of my favorite door mods (not this one) and then i come here to a different mod and here he is... doing the same thing....

no offence but i think this guy needs some help... really

@n3mes1s

Who are you and what have you done for the ONI community?

Nothing? Then STFU and sit down.

@Buzz, The temp goes up quickly if your dupes carries a hot items, for example if you tame an Iron Volcano and they manually carry it out. I use auto sweepers and cool it down that way before any dups can get to it.

I personally think this addon is great, works fine and is a nice way to avoid the "wet" from the standard waterlocks. I use it to get into hot rooms with an insulated door infront dont want my precious hot steam to leak and heat up the area.
Yes dups stacks up if someone is already in it. For the busy areas i tend to use the 3 stack water lock nowdays since its alot faster and doesn't give your dupes wet either but can break easily if any other liquid comes in contact with it.

I see @n3mes1s all over this workshop for so many mods. This guy rarely has anything nice to say and is typically seen spreading negativity everywhere they go. I have no idea why this heel sticks their head into every space to spout their own beliefs as fact time and time again.

If you happen to read this, please reconsider your values and contributions.

Amazing work! Something I didn't get it. It changes temperature so fast. It was on -20 Celsius degrees but after a few uses it reached to 50 degrees and more per use.

This Should Be Vanilla: Airlock Door

Fixes a design smell. Liquid locks are clever, but they’re also an exploitish workaround. A powered double-door with a vacuummed vestibule is what a real colony would build. This mod brings that logic into the game loop.

Costs and counters are balanced.
120 W draw, refined-metal cost, research gate (Improved Ventilation), and limited internal battery (7 uses) make it a meaningful choice, not a free upgrade. If you cut power, you create failure modes-exactly the kind of “interesting risk” ONI is built on.

What Klei could adopt/tweak
Late-mid tech node. Slot it after Improved Ventilation (or alongside Atmo Suit tech).

Verdict
Airlock Door hits the sweet spot: engineering-authentic, systemically fair, and fun to design around. It solves a decades-old community pain point (liquid locks) with a solution that feels like Klei designed it. If any mod deserves to go vanilla, it’s this one.

Bjeboj. Its not my opinion, "kid". Its a fact that the mod is pretty bad. Plain and simple. Its ok if you want to use it for asthetic purposes but for the love of god dont tell me you use it because of its functionallity.. dupes will pile up and they will end up giving up going through that door unless its the only entrance. I tried to build two doors to aliviate the bottleneck, but its no use, dupes will always try to go through one. So, yup. Good idea terrible implementation. And dont bring my mother to this conversation stupid braindead kid, please.

Бессполезный мод, дверь слишком неудобная и массивная, подойдет любителям РП но не более.

N3mes1s, If you don't use the mod and think it's a simplification of the game, then get the hell out of here. Your mom told you that your opinion is just your opinion and if it doesn't agree with the opinion of others, it doesn't mean that they're all idiots and you're the smartest.

hey i have a bug where dups will go to the airlock door have the first one open then never walk into the middle and just stand there. and i can't get them to move threw it at all

And yup, again any modder that tells me i need to go to github to report anything... is a modder i dont want to know anything about. Plain and simple. And a mod i will never use.