Chlorination and Sterilisation
Water Hygiene Services

Chlorination and Sterilisation

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Industry Guidelines

Comfort Services Group provide a range of pre and post-commissioning chlorination and sterilisation services for new and existing water systems. Our trained and highly experienced engineers carry out chemical treatment of domestic and commercial water systems within all regulatory and legal guidelines. Our chlorination services are carried out within the current HSC ACoP (2013) guidelines.

Industry Guidelines
Management of Legionella

The core aim of the chlorination and sterilisation of water systems is to minimise the risk of bacterial growth and is essential practice in the running of a commercial water system. The primary target of bacterial control is Legionella and our sterilisation services follow HSG274 Pt2 which offers guidelines in the management and risk control of Legionella bacteria. The Legionella bacteria is most commonly associated with being the cause of Legionnaires disease with several high-profile instances making headline news in recent years. Legionnaires' disease shares many symptoms with pneumonia and is most commonly spread through water and air conditioning systems. Legionella bacteria is also the primary cause of other conditions including Pontiac fever.

Management of Legionella
Maintain System Efficiency

Chlorination systems for new water systems should be carried out as part of the commissioning process before any new system is turned on or set-to-work. Water in an, otherwise efficient, water system can quickly become contaminated by a range of bacteria if cold water storage tanks are poorly, or irregularly, maintained. A build-up of contaminants in the system can aid the spread of bacteria including Legionella and e-coli. We recommend that regular testing and maintenance is carried out on cold water systems to help prevent contamination

Maintain System Efficiency

In addition to carrying out chlorination and sterilisation services for water systems, Comfort Services Group can provide pre-installation risk assessments for legionella. Contact Comfort Services Group today and find out how our trained engineers can help with the chlorination and sterilisation of your new or established water system.

Frequently Asked Questions

What is chlorination and sterilisation?

Chlorination services can reduce most viruses and bacteria in water. It offers strong protection against recontamination and is a quick, straightforward process. It is also an affordable method to protect the quality and safety of your water systems. Sterilisation can remove a wide range of impurities from your water such as contaminants like heavy metals like lead, arsenic and mercury.


At Comfort Services Group, we have been providing first-class chlorination and sterilisation services for several years. By having your water tested, monitored and treated on a regular basis, you can keep people safe and protect the reputation of your business.

How to manage chlorination and sterilisation?

The best way to manage chlorination and sterilisation is to have these processes carried out on a regular basis. Many water system owners choose to outsource the chlorination and sterilisation processes to an external specialist team such as Comfort Services Group. We use the very latest and most efficient technology available to us to help our clients keep on top of their chlorination and sterilisation obligations. The services that we provide keep illness at bay and allow to maintain a healthy water system.

Our hard-working, highly experienced and dedicated engineers can provide you with detailed advice on guidance to help you maintain your water system effectively.

What is the aim of chlorination and sterilisation?

Chlorine is a highly effective sanitiser that's been used to remove bacteria from water for many years. It can protect people from waterborne illness and disease. It is able to kill the vast majority of waterborne microorganisms and can inhibit mould and algae growth. Sterilisation also kills, inactivates and removes harmful microorganisms from water.

The sterilisation process can involve treating water with heat, radiation and chemicals. We use a range of specialist resources to deliver a flawless chlorination and sterilisation service that keeps you compliant with all relevant legislation. Our chlorination services are suitable for new and old water systems.