I'm not an AC Technician. I bought a new window type air-conditioner. My friend lifted it upside down.
Is it okay to lift or carry a window type air-conditioner upside down?
Window Type Aircon Upside down
air-conditioning
Related Solutions
Since it sounds like it might be difficult for you to get to a lumberyard to build your own solution, you might be better off using a pre-made product. AC-Safe, makes Universal Air Conditioner Supports that might be useful in your situation.
The system requires you to screw the platform into the window sill (which may or may not be possible in your situation), then simply rests against the outside of the building to support the A\C unit.
I've also seen brackets that mount to the bottom of A\C unit itself, and offer support against the outside of the building (but I was unable to find an example online. I think Thermwell makes them).
Often the actual pane unit for awning and casement windows can be removed (especially in newer and higher end windows). If this is the case, you can install a standard window air conditioner.
You would use an "L" shaped bar, called angle "iron" or angle stock (actually aluminum is probably more convenient), placed at the top of the unit instead of the upper sash to hold the unit in the frame.
The flat inside face of the angle iron would overlap and be screwed into the frame at the edges. The horizontal edge of the angle would be trimmed to fit inside the frame.
The air conditioner can be centered in the gap and the AC units side filler panels can be used to cover the gap. In the alternative, filler panels (clear plexi or any other thin weatherproof material) can be cut to fill the rectangular gaps on either side of the unit in place of the AC unit's fillers, which usually do not seal too well. In the alternative, the unit can be centered and one panel used to fill the gap. Be sure to seal around the AC edges and around the panels in either case.
Because most awning windows are not too tall, you may need a low profile AC unit such as this one
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Best Answer
Whenever I've purchased items that use refrigerant the manual always recommends leaving it to rest. Times have varied from 1 to 24 hours. The manual says this is to let the refrigerant settle after transit.
There is oil mixed in with the refrigerant that lubricates the compressor. If it's tipped over or turned upside down the refrigerant can move to other parts of the system. If you turn on the air conditioner in this condition it may not work or may even damage the unit. Set it in the correct position and wait 24 hours before using it. Realistically less than an hour should be fine but most manuals recommend 24 hours to be safe.
So no. Moving the air conditioner upside down won't damage it. If you try to run it too soon after it's been upside down that can damage it.