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About Us

Established in 1988 and based in Guildford, we have nearly four decades of experience providing quality ductwork and ventilation services across the South of England.

Discover more about who we are, the services we provide, and how we are dedicated to providing every single customer with exceptional levels of service.

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  • DEDICATED IN-HOUSE MECHANICAL CONTRACTOR SERVICES

Over 350 years of Collective Experience in the Ventilation Industry

Our skilled in-house team consists of contract managers, designers, engineers, and CAD specialists. This means we can support you at every step of the ductwork and ventilation process, from design and manufacturing, all the way through to maintenance and repair.

Providing tailored services to every client, we’ll help you create and build a system that’s efficient, cost-effective, compliant with health and safety legislation, and fully responsive to the needs of your building.

Our Services
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Why you should work with us

Family Run

Loyal, dedicated, and with a clear vision, we can respond quickly and flexibly to the needs of your business

Highly knowledgeable

Our experienced team have experience working with a wide range of businesses in the commercial and industrial sectors, meaning we can efficiently solve your problems

Dedicated to customer service

Friendly, reliable, and accountable, we offer clear communication at every stage and a bespoke approach for every client

Why you should work with us

Family Run

Loyal, dedicated, and with a clear vision, we can respond quickly and flexibly to the needs of your business

Highly knowledgeable

Our experienced team have experience working with a wide range of businesses in the commercial and industrial sectors, meaning we can efficiently solve your problems

Dedicated to customer service

Friendly, reliable, and accountable, we offer clear communication at every stage and a bespoke approach for every client

Testimonials

"We are so pleased to find a company that was conscientious, responded quickly, and was able to help us from the design stage, project completion, through to ongoing maintenance. It is not unusual for them to get a kitchen back up and running the same day, which is crucial when working in care homes and commercial kitchens, for example.’
Kitchen Catering Company
‘It was so great to find a fellow family run business who were very knowledgeable and able to effortlessly help us resolve our extraction issues.’
Restaurant, London
‘Since employing Advent Maintenance we have saved enough on repairs and breakdowns to install new systems. They carry out planned preventive and reactive maintenance timely and efficiently and have a team of experienced engineers.’
Materials supplier
“From initial concept to final commissioning, the team demonstrated outstanding technical knowledge and attention to detail. The bespoke ventilation system they designed and manufactured fits our building perfectly and performs exactly as promised. Installation was smooth, well managed and on programme.”
Estates Manager, Commercial Office Development
“We have used Advent for multiple projects covering HVAC, ductwork manufacture, and plant installation. Every project has been delivered professionally, safely and to a high standard. Their in-house manufacturing capability gives them a real edge.”
Mechanical Consultant
“The quality of installation and attention to detail was excellent. The site team were polite, organised and proactive in solving problems. Commissioning and handover were thorough, and ongoing maintenance support has been first class.”
Facilities Manager, Healthcare
“Their ventilation and plant design was clearly developed around the building, not forced into it. Performance, access and future maintenance were all considered. This level of thinking is rare in the industry.”
Architect
“They helped us invest in a system that will last for decades. Energy savings, reliability and ease of maintenance were all prioritised. We now use them as our preferred HVAC partner across our portfolio.”
Property Asset Management
“Having design, manufacture, installation and maintenance under one roof made the entire process seamless. The system performs better than expected and the documentation and training provided were excellent.”
Building Services Manager, Education
  • HIGH-QUALITY IN-HOUSE SERVICES

In-House Ductwork and Ventilation Services; Bespoke for You

In-House Ductwork and Ventilation Services; Bespoke for You

Many mechanical service contractors subcontract their individual services. At Advent Ductwork Systems, we carry them out in-house.

All our design and manufacturing work is completed in-house by skilled and experienced members of our team. This means we can complete work to your precise specifications, with a rapid turnaround if required.

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  • FULL-SERVICE MECHANICAL CONTRACTOR IN THE SOUTH OF ENGLAND

Providing Quality Services Across London and Beyond

Based in Guildford, we’re well-equipped to offer ductwork and ventilation services across the South of England, including Hampshire, Berkshire, London, and Surrey.

We have nearly four decades of experience providing services to a wide range of commercial and industrial businesses, including schools, gyms, kitchens, and hospitals.

  • Care Homes
  • Commercial
  • Factories
  • Gyms
  • Hospital
  • Hotels
  • Industrial
  • Kitchens
  • Laboratories
  • Offices
  • Pharmaceutical
  • Schools
  • Sports Halls
  • Warehouses
  • Care Homes
  • Commercial
  • Factories
  • Gyms
  • Hospital
  • Hotels
  • Industrial
  • Kitchens
  • Laboratories
  • Offices
  • Pharmaceutical
  • Schools
  • Sports Halls
  • Warehouses
Our Services
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  • Our Work

Our Portfolio

Take a look at some of the high-quality design and installation work we’ve completed for our valued clients. Any questions or want to see how we can provide you with a similar service? Please get in touch.

School
Chineham
London Wall
Saffron House
Golf Club
Liverpool Street
Villiers Street
Reactive Maintenance Contractors
Villiers Street
Planned Preventative Maintenance
Ventilation Testing
Ventilation Contractors Design, Manufacture and Installation
Ductwork Design, Manufacture and Installation
Ductwork Design, Manufacture and Installation
View Portfolio
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Get in Touch

Want to know more about the services we provide? Reach out to us using the contact form, and a friendly member of our team will get back to you as soon as possible.

Alternatively, give us a call or send us an email:

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Designing, manufacturing, and installing high-quality, bespoke ductwork and ventilation systems across the South of England.