My mom lives in tucson az in a 600 sq ft mobile home and she want me to install a small wall unit on it, she has 2 in mind, an LG 15000 btu 120v, 12A, or an LG 230V 13A 25000 btu, there is a lot of difference in power consuption
and i don't think she needs more then 15000 btu's, but i don't have any experience in residential or wall units, can anybody help me?