Don't order online from Leroy merlin - they deliver wrong stuff and don't sort it out

I ordered a 12000btu aircon from Leroy Merlin on the 14 of November online. The two boxes that were delivered was a 12000 btu compressor(which is correct) and a 9000 btu indoor unit (which is obviously incorrect). The 9000btu indoor unit has subsequently been collected but I still do not have the indoor unit. After back and forth with support I was told the indoor unit would eventually be delivered on Friday 8 December. After engaging with support again on Monday they said they would get back to me latest end of business On Monday 11 December. That obviously did not happen and they are no longer responding to me e-mails. It is now the 13 December and no response and no correct indoor unit. Ordering online from them is not worth the hassle. Its been almost a month since I ordered the unit and I still don't have a aircon unit I can actually install. What a poor show