Crowcon - Detecting Gas Saving Lives

Bespoke gas detection systems.
Engineered to your needs.

Resolve your specific problems with our tailor-made solutions.
Because one size doesn’t fit all.

  • Custom-built gas detection systems
  • 50+ years' bespoke systems experience
  • Collaborative design process
  • EFS team solely focused on bespoke solutions
  • All industries and applications

What are Engineered Fixed Systems?

Find out in detail about our bespoke solutions offering

What do the solutions look like?

Read more about the systems we have deployed across industries

What is the design and delivery process?

Understand the consultative process and meet our expert team

Arrange a consultation

Get in touch with our team to talk about your specific requirements


What are Engineered Fixed Systems?

Engineered Fixed Systems (EFS) are custom-built systems made to address unique gas detection problems.
EFS solutions solve problems that lie beyond the scope of off-the-shelf gas detectors.
Our team of experts works with you to design and deliver a solution that meets all your gas detection needs.

Bespoke solution
tailored to your needs

Engineered Fixed Systems sove gas detection problems that cannot be solved by standard products.

Proven expertise in
customised system design

Crowcon’s 50 years of gas detection experience comes to the fore in our best-in-class bespoke systems.

design process

Our design process is highly collaborative – we always design for you, with you.

Dedicated EFS team to
solve your problems

Our EFS team with a combined 70 years of experience provides you with the technical expertise you need for your unique issues.

Suitable for
any industry

Our EFS systems have been installed across industries and sectors and can be tailor-made for any application.


Our engineered fixed systems have been deployed across industries and applications. Click on the links below to find out more:


Design & Delivery Process

Our EFS design and delivery process goes through a series of steps wherein we work closely with you to understand your needs and deliver a solution accordingly:

Consultative Process
raised by the customer
of enquiry to confirm scope
of assessed bespoke solution
of designed solution to customer for review
of system as per agreed design
of system to customer
of system at customer site
of installed system
of working product at regular intervals

The Engineered Fixed Systems (EFS) team are dedicated to providing innovative and cost-effective solutions for gas detection challenges that can’t be addressed using standard products. Our highly experienced engineers consult directly with customers to understand requirements and deliver bespoke solutions

Andy Avenell, EFS Lead

Meet the Team

Team Leader

Andy Avenell

Andy has more than 27 years’ experience in the gas detection industry including many years spent designing and commissioning systems in industrial, petrochemical and oil and gas installations both onshore and offshore.



Jackie Marsh

Jackie has been with Crowcon for nearly 7 years, moving to fixed-systems sales after four years of supporting customers as part of the Technical Support team. Jackie has worked in engineering roles across electronics and manufacturing and is an associate member of the APM through her keen interest in project management.

David Bradley

David has recently joined Crowcon after working in the Middle East for over 12 years in the oil and gas industry. David has an Environmental Science degree and has a wealth of knowledge in environmental air quality monitoring instrumentation.


Chris Buckle

Chris has been the principle design engineer in the EFS team for over 17 years, regularly using his instrumentation knowledge, and vast on-site and systems design experience to devise intuitive solutions for demanding applications.


Euclid Roachford

Euclid has worked for Crowcon for nearly 30 years. Euclid supervises production of standard and engineered fixed system products and acts as the link between the design and production teams. Euclid has assembled EFS systems for all his time at Crowcon, and also performs upgrades and installations at customer sites.

Martin Couchman

Martin has been with Crowcon for nineteen years building both standard panels and engineered systems, while particularly focussing on allocating and administering components through Crowcon’s ERP system.


Marek Kapuscinski

Marek has worked with Crowcon for 13 years. He is the lead EFS technician and mentors the apprentices working in the department. Marek finds delivering customer solutions very satisfying.

Alex Watson

Alex has been at Crowcon for 5 years studying an Engineering Apprenticeship in Electronics, as well as completing an NVQ in Business Improvement Techniques. He embarks on his final year of the apprenticeship and is now working towards a BEng in Engineering Product Design.

Request more info

Get in touch with our team of experts for more information on our EFS systems. Our team will work with you end-to-end to understand your needs and deliver to you a customised solution.


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