This app is Psychrometric Air Property Calculator which is useful for Refrigeration and Air Conditioning Course. INTRODUCTION: Welcome to Psychrometric Air Property Calculator. This app is Air property Calculator. You can get all air property by giving any two known property. What is PSYCHROMETRY and PSYCHROMETRIC AIR PROPERTY?: Mixture of air and water vapour is called Moist air. Properties of moist air is called Psychrometric Properties. A subject which deals with the behaviour of moist air