I own my in townhome and my HOA specifies that I cannot have a through-wall or otherwise permanent air-conditioner. Additionally that window mounted units must be removed sometime in October. However the meager window mounted units are ugly and aren't efficient. I would like to get a split rail system but I am not sure if I could remove the outside component (is that called the inverter?) once October shows up. Is there anything on the market that will keep me cool and please my HOA?