Abstract: Poor indoor air quality can cause discomfort and even affect people's health. Fresh air conditioning solves the impact of indoor and outdoor air circulation on indoor air quality in the operation of traditional air conditioning. However, due to the lack of standards, it can not be scientifically evaluated. Through the analysis of the fresh air conditioner function and practical verification, determine the CO₂ removal efficiency, the new air volume, the impact on the indoor temperature as evaluation test project of fresh air conditioner; The actual testing methods of the above tests in household environment are introduced. Through the above several test items, the performance of fresh air conditioning products can be evaluated comprehensively in the household environment.

Key words: Fresh air conditioner, Indoor air quality, Physiological indexes, Fresh air volume