When looking for an air conditioner or dehumidifier quality should be of the up most importance. One way of ensuring quality is to opt for an air conditioner or a portable air conditioner made by a well known, respected and trusted manufacturer. DeLonghi is one such name and with a DeLonghi air conditioner or DeLonghi Dehumidifier you can be sure that you are buying quality. Based in Treviso in Italy, DeLonghi has existed since 1902 when it was founded as a small industrial parts workshop.