Introduction to the topic of Psychrometrics i.e. measuring, calculating and controlling the quantity of moisture in the air (humidity) by either humidification in winter or dehumidification in summer.

This article covers the main use of cooling and chilled water systems across all business sectors.

This artilce covers the main types of hot water heating systems in use across most business sectors.

The perennial winter season issue of frost damaged heating or cooling coils in ventilation plant.