Welcome to Guardian Water Treatment
A Marlowe Environmental Services Group Company providing water treatment and air hygiene specialist outsourcing.
Guardian Water & Air are part of Marlowe Environmental Services providing specialist outsourcing maintenance and compliance services across the UK. The Group provides Water Treatment, Fire & Security and Air Services.
We deliver a range of water treatment and air quality services, allowing the systems that rely on these elements to work effectively and at their optimum; from pre-commissioning through to on-going maintenance, delivering a holistic approach to air and water treatment.
Using the latest air and water treatment products and continued monitoring of water hygiene and air quality, you can rely on Guardian Water & Air to keep your buildings’ systems operating safely, efficiently and in-line with legislation.
Clean non-chemical technology
Fast Turnaround & Reliable Service
In-house Expertise from design through to construction, commissioning and maintenance
Member of the Legionella Control Association
Guardian Care Online – Unique online reporting system 
Sustainable operations and services
Water Treatment & Air Quality Sectors
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MoreWater treatment and air hygiene services across the breadth of the facilities management sector, working with FM providers in commercial premises, public buildings and industrial sites.
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MoreWater and air hygiene services for the hospitality and leisure industry. Covering gyms, swimming pools, hotels and spas, plus the commercial kitchens that cater for these establishments.
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MoreWater treatment and air hygiene services for residential properties, from individual houses to large blocks of flats, working with landlords, letting agents, housing associations and local authorities.
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MoreWater treatment and air hygiene services for hospitals, nursing homes and other healthcare premises. Works in accordance with specific healthcare legislation. Round the clock delivery.
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MoreWater treatment and air hygiene services for local authority buildings – schools, hospitals and residential properties.
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MoreWater treatment and air hygiene services for large-scale industrial sites, including factories and other manufacturing facilities containing HVAC equipment, such as cooling towers and steam boilers.
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MoreWater and air hygiene system consultation, design and pre-commissioning cleaning. Keeping HVAC systems contaminant free from the outset.
Latest News
Everything You Need to Know About Legionella L8 Compliance Regulations Legionella bacteria pose a serious health risk,...
What to Monitor and Why Monitoring HVAC water treatment systems is essential for Facilities Managers (FMs) aiming to...
Pseudomonas bacteria, commonly found in closed-circuit water systems, have become a widespread problem across the UK....
Corrosion is a common problem in closed circuit systems that, if left unchecked, can lead to reduced efficiency, costly...
“A pre-incident risk avoidance system, or post-incident action alert system?” Stewart McGillivray...
Guardian is thrilled to celebrate National Apprenticeship Week 2024, a dedicated time to recognise and applaud the...
In just a few short years, we have seen an epic migration of workers from purpose built, multi-tenancy commercial...
Corrosion Challenges in HVAC Systems Corrosion in closed water systems presents significant challenges in HVAC...
The winter months bring new challenges for those responsible for commercial building services. Seasonal changes in...
Covid-19 changed the working world overnight in 2020. Fast forward to 2023, and it might feel like ‘business as...
As the national grid incorporates a growing percentage of renewables into its delivery, heat pumps are leading...
Maintaining thermal comfort inside our buildings and workplaces is critical for occupant wellbeing and productivity....
Bacteria in water systems are ubiquitous and diverse. Should a closed system show signs of corrosion and loss of...
SFG20 is the gold standard for building maintenance excellence and efficiency. Launched in 1990 by the Building...
Guardian is a proud member of the WCS Group, the leading water treatment, water and air hygiene and asbestos...
Facilities managers and maintenance teams are often judged by occupant comfort, the ‘soft landings’ that are the...
Experienced Building Services Consultant, Stewart McGillivray, has joined Guardian Water Treatment’s team, providing...
If not managed correctly, the demarcation of responsibility for repairs and maintenance in commercial buildings is...
Heat networks, or district heating systems, are a relatively new approach to delivering heat to domestic and commercial...
VDI 2035 is a German standard that provides guidance on how to prevent scale and corrosion in heating and cooling...
