Business Details
Emergency
services
Trusted HVAC Contractors in Welwyn Garden City
Chapman Ventilation has over five decades of expertise in designing, manufacturing, and installing bespoke HVAC solutions including fans, ductwork, air conditioning, and control systems. Our nationwide maintenance team operates 24/7, providing reactive and preventative services to ensure optimal system performance. We serve diverse sectors such as hospitality, airports, industrial, and commercial environments, combining technical excellence with a customer-centric approach. Our 35,000 sq ft manufacturing facility enables rapid delivery of tailored solutions, supported by partnerships with industry-leading suppliers. Sustainability is central to our operations, reflected in our recognition as the first HVAC contractor on the Sustainable Restaurant Association's approved supplier directory.We prioritise innovation, offering market-leading products like DCKV systems and Canopy Containment Air technology to enhance energy efficiency and environmental performance. Our dedicated project management ensures seamless delivery from design to completion, backed by a team of CIBSE-qualified engineers and chartered surveyors. With offices across Europe and the Middle East, we combine local expertise with global reach to meet client needs. Our commitment to quality is evidenced by accreditations and partnerships that underscore our industry leadership. We continuously invest in advanced technologies and staff training to maintain our position as a trusted partner in ventilation solutions.
Services
HVAC Installation
Ventilation Systems
Ductwork
Canopy Systems
Maintenance
Fabrication
Air Quality Solutions
Heat Recovery
Smart Ventilation
Highlights and features
- We have over 50 years of experience in bespoke HVAC solutions.
- Our 24/7 nationwide maintenance team ensures rapid response times.
- We offer patented DCKV technology for energy-efficient ventilation.
- Our CCA canopy technology reduces energy consumption by up to 40%.
- We operate a 35,000 sq ft state-of-the-art manufacturing facility.
Associations and certifications
- Sustainable Restaurant Association
Services
HVAC Installation
We design and install complete HVAC systems tailored to specific requirements across hospitality, industrial, and commercial sectors. Our solutions integrate energy-efficient technologies like DCKV and heat recovery systems to reduce operational costs. With in-house manufacturing capabilities, we ensure precise component fabrication and rapid project delivery.
24/7 Maintenance
Our nationwide team provides round-the-clock reactive and preventative maintenance for HVAC systems. Services include filter cleaning, leak testing, and asset replacement planning to maintain system efficiency and compliance with F Gas legislation. Digital platforms ensure efficient service tracking and documentation.
Ductwork Fabrication
Manufacturing galvanized, stainless steel, and aluminium ductwork to DW144 standards in our 35,000 sq ft facility. We produce both standard and bespoke components with rapid turnaround times, supported by CAD design and skilled welding teams to meet exact specifications.
Commercial Canopies
Custom-designed canopies with Canopy Containment Air (CCA) technology that reduces energy use by 40% through intelligent air management. Features include LED lighting, grease filtration systems, and integration with demand-controlled ventilation for optimal efficiency in restaurant and catering environments.
Smart Ventilation
Patented Demand Controlled Kitchen Ventilation systems that automatically adjust fan speeds based on cooking activity. This technology reduces energy consumption and costs by up to 40% while maintaining compliance with health and safety standards, seamlessly integrating with existing HVAC infrastructure.
Questions
What HVAC services does Chapman Ventilation offer?
We provide full-cycle HVAC solutions including design, installation, maintenance, and bespoke ductwork fabrication. Our services also cover smart ventilation systems and energy-efficient heat recovery technologies.
Do you provide emergency maintenance services?
Yes, our nationwide maintenance team operates 24/7 with a 75% first-time fix rate, ensuring rapid resolution of HVAC emergencies across 2,000+ UK sites.
How do your ventilation systems improve energy efficiency?
Our patented DCKV technology reduces energy use by adjusting fan speeds to demand, while CCA canopy systems cut energy consumption by up to 40% through intelligent air management.
Can you handle large-scale commercial projects?
With 35,000 sq ft manufacturing space and experience delivering 1,000+ restaurant systems in 5 years, we manage complex projects from initial design to completion for clients like Five Guys and Nando's.
What sustainability accreditations do you hold?
We are the first and only HVAC contractor listed on the Sustainable Restaurant Association's approved supplier directory, reflecting our commitment to environmentally responsible solutions.
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