[header] How to dehydrate foods [title] Invest in a vertical dehydrator if you are only drying a few or one type of food. [step] Vertical dehydrators have heat travel from top to bottom or vice versa. They tend to be smaller but are also cheaper. 
[substeps] Vertical dehydrators with a fan on the bottom provide the best heat distribution and are more efficient because hot air rises. However, the drippings from fruits, vegetables, and meats can drip into the fan and become difficult to clean.