how to choose a hotel fume purifier 1. factors to consider hotel fume purifier is one of the important equipment in hotel kitchens, which affects work efficiency and user experience. when choosing a hotel fume purifier, there are several factors to consider. the first is purification efficiency, which is the most basic indicator. then we need to consider the filtration method, replacement cycle, maintenance cost and other aspects of the purifier. 2. purification efficiency is the primary factor. the efficiency of a hotel fume purifier refers to the ability to purify most of the fume pollutants in the working state. if the efficiency is not high, it will increase the oil smoke concentration in the kitchen and make people feel uncomfortable