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Fundamentals of Building Services Engineering

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Building services engineering intro

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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...
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Chillers

chillers how do they work learn hvac

Chillers – What are they? HVAC

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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...
chiller components parts of a chiller evaporator compressor condenser expansion valve power unit controls

Chillers – Main components

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

Chiller Cooling Capacity Control

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

Chiller Efficiency How to calculate

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

Chiller Cooling Capacity – How to calculate

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

Chiller Oil Lubrication Circuit

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

How Air Cooled Chillers Work

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

Absorption Chiller, How it works

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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

Chiller Types And Application Guide

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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...

Improve Chiller Efficiency

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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...

Energy savings from replacing a chiller

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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...

Cooling Towers

Purpose of Cooling Towers

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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...
How Cooling Towers Work

How Cooling Towers work

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

Refrigeration

HVAC Heat Exchangers Explained

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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 electronic expansion valves work

How Electronic Expansion Valves work

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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 cold room

Cooling Load Calculation – Cold Room

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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...
Refrigeration Design Software

Refrigerant Design Software

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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...
refrigerant retrofit guide

Refrigerant retrofit guide

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

Refrigerant types and their future

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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 do Refrigerants work?

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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,...

Video tutorial: How a Refrigeration cycle works

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https://youtu.be/Uv3GfEQhtPE
the refrigeration cycle explained

Refrigeration cycle, essential knowledge.

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

Pipework

How cooling tower, AHU and chiller work together

How a Chiller, Cooling Tower and Air Handling Unit work together

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

Pump calculations

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

Primary and Secondary circuits in centralised HVAC systems

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

Electrical

Power Inverters Explained

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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

Power Factor Explained

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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,...
three phase electricity explained youtube

Three Phase Electricity Explained

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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 Electricity Works

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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

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

Guide to Lighting and Power cables

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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...