Saw this on a building in my nabour hood

Saw this on a building in my nabour hood

What is?

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image familiar

A turbo

Looks like a turbo for your hvac system

House Turbo adds +20 horsepower to your A/C unit

Loudspeaker

Mind control nerve gas emitter. Wear tin foil near it and sniff jars of old piss.

giant house snail

mangafox.me/manga/uzumaki/v01/c001/1.html

HF Sup Forums

That's my dad

its a rare city snail

It's a vampire siren. If you hear that thing go off, you're pretty much fucked.

why would a mount on someone else' house give OP more HVAC in his?

Kek

It's a human wood chipper used in the war when diseased bodies so the battlefield is clean and unsmelly

It's a subsonic loudspeaker. Generates 120dB tones at 5-10 Hz, well below the range of human hearing.

They will make some people involuntarily empty their bowels, though.

> not even knowing this much

google search result

Image size:
170 × 250
No other sizes of this image found.
Best guess for this image: iron

guess what?
it's iron

Gaurdians of the Galaxy 2 BB groot

Maybe a early design of vertical wind mill

I thought it's an air raid siren

Fuck you people are stupid. It's an AIR RAID SIREN

youtube.com/watch?v=84TSpb6UEwc

Is that even an answer?

Yeah, looks like an air raid siren.

alien communication antennae

A badly installed centrifugal fan. It is connected for a kitchen extractor fan, or your neighbor burning jews.

this

Alien death ray

It's a roof tuba. Every time a faggot walks by it toots at them.

flickr.com/photos/admitone/88787348

No dumbshit, it's a fucking AC unit

ACs don't have exhaustion.

Sauce on pic

> when you can't even know this much of a thing.

it's one of those snail fans to help dry the atmosphere

Wtf are you talking about?

OP here I took it

Its a slug you fools

It's a rape whistle for obese people (more of a confidence booster thing, cause God knows fat people wish they were rape targets)

Stewpot

Faget

AC (I think, do you refer Air Conditioner) have an interior and an exterior unit. The interior circulate the room's air, or get it from outside. But if it gets it from outside, it's irrational to use is with a radial fan because of the high air pressure.

Robo-snail.

K. Thx. Bye.

That is an old air raid siren some are still used to let people know a tornado is coming

Seriously, where do you get this shit? It compresses the air as it sucks it in, forcing the heat out in the process. Like an ice box. That's why it's shaped like a spiral

OP here I think that's what it is.
it looked very old also its on a tower not attached to the building

My job was to fix those and when they go off they are very loud

What is it???

Emergency horn for the whole town to hear incase of nuke, storm attack...

>very loud when it goes off
>still can't figure it out

Go up on the roof and hook a car battery on to it and see for yourself how loud it is

Old air raid siren, tornado siren.
Them are loud fuckers too.

I'd say the same, but the ones i remember were powered by hand

> roof tuba

Most have low voltage like 12 volt some are 110