I have Gree air conditioners, known for their quality and self-cleaning feature. Used for approximately two years, very clean, with their invoices, under warranty.. You have the right to inspect before buying. - 18 window unit for 1100 - 18 split unit for 1400 - 24 split unit for 2000 - 30 split unit for 2500 Reason for selling: Moving to an apartment with central air conditioning.. Serious buyers only, please. Prices are final to avoid embarrassment.