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Enviro Technology Services plc
AS Technical Solutions Limited


ERG1234ERG (Air Pollution Control) 

ERG is a leading business in a growing market sector, with world class engineering expertise and know-how in the niche sectors of air pollution control and odour control, accrued over 30 years in the business.
– ERG possesses a dominant market position in providing odour control systems to the waste water treatment industry, having supplied systems to all leading UK water treatment utilities.
– ERG has successfully leveraged its technology into the emerging market sectors of composting, and anaerobic digestion, where we provide odour control systems to some of the UK’s largest sites, and into biogas cleaning, where we provide unique V-texd gas scrubbing technologies which are ideally suited for the toughest gas cleaning challenges including tar removal.
– Maintenance services – ERG provides UK wide odour control system maintenance services to support operators ensure peak efficiency from their odour control systems, covering both pre-planned servicing as well as remedial mainenance.
Enterprise House
Foundry Lane
West Sussex RH13 5PX
Tel: 01403 221000


ESU1 Ltd

ESU1 logo3ESU1 ltd are a specialist environmental engineering company. We offer Service and maintenance contracts, Local Site Operator services and complete systems installation for operators of ambient air quality monitoring equipment.

With engineers based nationwide, and being the only company that supply 24 hour callout response, Converter (GPT) testing, PAT testing, and weekend breakdown cover as standard, we are uniquely placed to look after your instruments.

Based at our bespoke workshop/ office in Oxfordshire, and within 20 minutes of both the M4 corridor, and the M40, our team of workshop staff are ideally located to support our service engineers in the field; enabling quick repairs, and reducing associated down time.

ESU1. At your service

Unit 1C
White Horse Business Park
Ware Road
Stanford in the Vale
Tel: 01235766250

Visit to find out more.


Enviro Technology Services plc (ET)

Enviro Technology Services (ET) Enviro Technology
was founded in 1983. Now active
in 42 countries with a multi-million pound turnover, ET has evolved over 30 years to become a global provider of air quality and emissions monitoring systems and servicing.

The UK-based company sell and lease equipment, systems and services covering the monitoring of ambient air quality (AQM), continuous emissions (CEM) and indoor air quality. ET also supplies cutting-edge analytical equipment for scientific, process and research monitoring including the monitoring of greenhouse and toxic gases.

The company has the UK’s largest network of field-based service engineers in the industry. The team service air monitoring equipment on some 500 sites across the UK and Ireland, as well as work on global installation projects.  A diverse client base ranges from UK and overseas government departments and local authorities, to research institutes and blue chip industry.

ET’s headquarters are in Stroud, Gloucestershire. The company operates out of a custom-designed 1700m2 factory featuring fully air-conditioned calibration and repair laboratories, in-house system manufacturing and dedicated testing and training facilities.

Enviro Technology Services plc
Kingfisher Business Park
London Road
Gloucestershire GL5 2BY
01453 733200



We are the European leader in high
intensity ultraviolet germicidal solutions for HVAC (Heating, ventilation and air conditioning) in the UK.

We support our Clients’ environmental and sustainable goals by delivering HVAC energy reduction, decreasing their carbon footprint, improving indoor air quality for better productivity and reduced employee absenteeism.

Our technology partner Steril-Aire’s UVC technology kills 99.99% of airborne bacteria, viruses, bacteria & fungal pathogens as they pass through the HVAC system, neutralise odours and can prevent the spread of airborne infectious diseases caused by bacteria (including MRSA, C.Difficle, TB, Legionella, E.Coli, Listeria, Salmonella and whooping cough) and viruses (including Colds, Influenza, Measles, Norovirus and SARS).

Our customers include The Royal Navy, BUPA, CitiGroup, Investec, Invesco, BAE Systems, Pfizer.

Our technology is Carbon Trust Accredited.

Lodge House
21 Links Road
West Sussex
BN14 9QY
Tel: +44(0)20-3734-2089


AS Technical solutions limitedAS Technical Solutions Logo

Here at AS Technical Solutions, we are a leading provider of emission monitoring equipment, flue gas analysis equipment, calibration and site services. We work closely alongside market leading manufacturers including Apex Instrument Inc, rbr Messtechnik, JCT and Monitoring Systems GmbH. We also host an excellent service department.

We have years of experience and offer a high level of technical support and servicing to our customers. Since our incorporation in 2008, we have become one of the leading suppliers for emission monitoring equipment and sample conditioning systems across the UK, Europe and the Middle East.

Alongside the environmental equipment, we also offer a wide range of tools, power tools, personal protective equipment and work wear. Working alongside Aziza UK, we supply a wide range of training courses from Health & Safety to NVQ & First Aid.

For further information and to see our wide range of products, please contact us on the following:

117 Clophill Road
MK45 2AE
Tel: 01525 862319

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