Building Services

What is Building Services Engineering? Building services engineering is the design, installation and maintenance of almost every mechanical or electrical aspect within a building. Most...

All building need air conditioning. For smaller buildings this can be provided by A/C units but once the building reaches a certain size it...

The main chiller components are the Compressor, Condenser, Evaporator, Expansion Valve, Power Panel, Controls unit and the Water Box. In this article we will...

How do chillers control their cooling capacity? One of the most common ways, for centrifugal type chillers, is to use vane guides. Vane guides...

How to calculate the efficiency of a chiller. Chillers are one of the largest energy consumers within a building and this has a big...

How to calculate the cooling capacity of a chiller. Chillers provide chilled water which is then used to provide air conditioning within buildings. The...

How does a chiller oil lubrication system work? Chillers need to force oil around some of its internal components to provide lubrication and remove...

In this article we will be looking at how air cooled chillers work. Air cooled chillers are very common, especially in small to medium...

In this article we'll be taking a look at the basic operation of how an Absorption chiller works. An absorption chiller is different to...

Chiller types and application guide. In this article we'll be covering the different types of chillers available, where they are used as well as...

In this article we’re going to be discussing different ways to improve the efficiency of your existing chiller setup. We’re going to cover Compressor...

How to estimate the energy savings from replacing a chiller. In this article we’ll be looking at how to estimate the potential energy savings...

If you look at the roof of most high rise commercial buildings, or even around industrial sites and power stations, you'll notice these large...

In this topic, we will look at how a cooling tower operates. This will cover the basic workings of  the most common type of...

HVAC heat exchangers explained. In this article we’re going to be discussing the different types of heat exchangers used in HVAC and building services...

How do Electronic Expansion Valves work? In this article we'll be discussing how electronic expansion valves work, covering the basic working principle, where to...

Cooling Load Calculation for cold rooms. In this article we'll be looking at how to calculate the cooling load for a cold room. We'll...

If you're looking for free refrigeration design software, that's quick and easy to use, then look no further than the Coolselector 2 application from...

In this refrigerant retrofit guide we will be looking at how to retrofit a refrigeration system with the new, environmentally friendly, refrigerants that are...

What are the different types of refrigerant and what does the future hold for refrigerants with the strict news laws and regulations coming in...

How does a refrigerant move thermal energy around a chiller or air conditioning system. It doesn't matter what type of refrigeration system you use,...

https://youtu.be/Uv3GfEQhtPE

A fluid, known as a refrigerant, moves between four key stages in refrigeration cycle. As it does so, it changes in pressure and temperature,...

How does a Chiller, Cooling Tower and Air Handling Unit work together to provide air conditioning (HVAC) to a building. In this article we...

In this article we learn how to perform pump calculations in both imperial and metric units to assess pumping performance following the change of...

With regards to centralised HVAC heating and cooling systems, you will usually hear the terms Primary and Secondary circuits. This refers to particular parts...

Learn the basic working principle of power inverters, how they work, what they are used for, where we use them and their importance along...

Power Factor Explained. In this tutorial we look at power factor. We'll learn what is power factor, what is good and bad power factor,...

How does three phase electricity work? In this article we'll be explaining how three phase electricity works, we'll start from the basics of a...

How electricity works How does electricity work. In this article we’ll be learning the basic concept behind how electricity works according to classical theory. We’ll...

How inverters work. In this article we take a look at how an inverter works to convert direct current (DC) into Alternating current (AC)....

In order for us to be able to use our lights and appliances we need to connect them to the main power supply. We will...