Water-Glycol Mixtures

Water-Glycol Mixtures

Coolants are heat transfer media which are intended for use below 0°C. Due to its high specific heat capacity, water is often used even below 0 °C. However, pure water already freezes at 0 °C, i.e. the polar water molecules arrange themselves into ice crystals. Glycol as an additive is an effective solution for this

F-Gas Regulations

F-Gas Regulations

As a part of the EU, the UK was subject to the terms and conditions of legislation governing the emissions and supply of fluorinated greenhouse gases in Europe. With effect from 1st January 2021 however, these regulations will no longer apply in Great Britain and will be replaced.

EC Fans vs. Axial Fans

EC Fans vs. Axial Fans

In HVAC applications, fans are second only to compressors in consuming power. Here we look at two types of fan motor that have a direct effect on the overall efficiency of a chiller or air handling unit

How To Size A Chiller

How To Size A Chiller

Chillers are used to reject heat from e.g. buildings or industrial processes by means of cooling water. Proper sizing of a chiller is crucial to ensuring that the correct chiller is selected.