The advantages of having an upright frost free freezer is that you will not have empty the freezer occasionally to remove build ups of frost. Frost can form quite quickly if a freezer door is left open for too long, or opened frequently. Chest freezers rarely are frost free, but most upright freezers are or have a frost free option. Frost free means that the freezer will automatically defrost itself of ice build up on the interior walls of the cabinet, by circulating dry cold air throughout the unit. This has the benefit of also making sure that cold air reaches every part of the inside storage area of your upright frost free freezer. Frost free costs more to run, because more energy is used to circulate the air, by using fans, with or without multiflow air delivery, and frost free freezers generally will cost you more to buy. However, if you consider carefully the various energy rating standards, and look for frost free discounts and special offers with an upright frost free freezer, you may find that in fact your frost free option has not cost you any more to buy because you bought it at discount. You may find its energy rating makes it comparable with similar manual defrost units for ongoing energy costs.
If you are looking at buying a frost free upright freezer then you may also want to look at other quality features in an upright frost free freezer, such as having an Automatic Fast Freeze which corrects the temperature more speedily if the freezer warms up, manual thermostatic controls to vary the basic temperature of the freezer, power warning lights, anti bacterial coatings and child resistant locks.
Most popular brands in upright frost free freezers include Mitsubishi MF- U160S 160l upright freezer, which is totally frost free, and contains multipurpose drawers which help to maintain this vertical freezer at cooler levels, contains aluminum trays for more rapid freezing and has rapid freeze mode. This upright frost free freezer is available with a matching 160l refrigerator unit. There is also the Westinghouse WFM 3600 SB, 360l in a stainless steel finish with telescopic freezer baskets, twist ice and serve trays, and a freezer light. There is also the LG GC 154SQS with 110l capacity which being around a third of the price of the Westinghouse, has correspondingly fewer features.