I ran it for a for a few hours this morning it heated the downstairs room to 29*c but did not change the upstairs room temperature its Vacuum was too strong.
The only way it stands a chance of working is if the hot air is vented upstairs.
There is a 15 x8 or something rectangular vent on the rooms ceiling used for when the pellet stove was there. that was vented to the kitchen floor. I patched it and covered it with wood flooring. Don't think this thing worth cutting a vent back in it.
Short of throwing in the towel it could be hacked into a mini split.
I'll take the cover it off and see what could to be done later tonight
Or maybe just return it
Here is inside a filthy ac
