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Your Trusted HVAC Partner in Welwyn Garden City
Chapman Ventilation has been designing, manufacturing, and installing bespoke HVAC solutions for over 50 years. Our expertise spans fans, ductwork, air conditioning, and control systems, serving sectors including hospitality, airports, hotels, industrial, and commercial environments. With 35,000 square feet of manufacturing space, we deliver tailored solutions at short notice. Our nationwide 24/7 maintenance team ensures systems operate efficiently, while our project management approach guarantees client requirements are met from commission to completion. We hold accreditations as the first HVAC contractor on the Sustainable Restaurant Association's approved supplier directory.Our team includes CIBSE-qualified engineers and chartered surveyors, overseen by dedicated project managers to ensure seamless delivery. We partner with industry leaders for active air cleaning technologies and offer proprietary products like canopies, filtration systems, and DCKV. Sustainability drives our innovation, including energy-efficient designs and waste reduction strategies. Our clients include prominent names like Five Guys, Dishoom, and Nando's, reflecting our reputation for reliability and quality.
Services
HVAC Installation
Maintenance
Ducting
Canopies
DCKV Systems
Fabrication
Air Quality Solutions
Highlights and features
- We have over 50 years of experience in bespoke HVAC solutions
- Our 24/7 maintenance team supports over 2,000 UK sites
- We offer proprietary products like DCKV and CCA technology
- Our projects include installations for Five Guys and Nando's
- We pioneered sustainable ventilation systems with 92% filtration efficiency
Associations and certifications
- Sustainable Restaurant Association (SRA) approved supplier
What people say
Perfect project delivery
24/7 maintenance support
Energy-efficient systems
Expert engineers
Quick lead times
Services
HVAC Installation
We design and install custom HVAC systems for commercial and industrial spaces. Our solutions integrate energy-efficient technologies and smart controls to optimise performance. Projects include full system design, ductwork, and commissioning for new builds and retrofits.
Maintenance
Our 24/7 maintenance service covers reactive repairs and planned preventative care. With 75% first-time fix rates, we ensure HVAC systems operate efficiently. Services include filter cleaning, leak testing, and compliance checks to extend equipment lifespan.
Ducting
We manufacture galvanised, stainless steel, and aluminium ducting to DW144 standards. Our systems include silencers and fan housings for industrial and commercial applications. Rapid turnaround times ensure minimal project delays.
Canopies
Our commercial kitchen canopies use CCA technology to improve air quality. Features include LED lighting, grease filtration, and demand-controlled ventilation. Systems reduce energy use by up to 40% while maintaining safety standards.
DCKV Systems
Demand Controlled Kitchen Ventilation adjusts fan speeds using intelligent sensors. This patented system reduces energy consumption by 30-40% without altering kitchen operations. It integrates seamlessly with existing HVAC infrastructure.
Questions
What HVAC services do you offer?
We provide full-cycle HVAC services including design, installation, maintenance, and bespoke product manufacturing for commercial and industrial clients.
Do you offer emergency maintenance?
Yes, our nationwide team provides 24/7 reactive maintenance with 75% first-time fix rates for urgent HVAC issues.
Are your systems energy efficient?
Our DCKV and CCA technologies reduce energy use by 30-40% through smart controls and optimised airflow management in commercial kitchens.
What sectors do you work in?
We specialise in hospitality, airports, hotels, industrial facilities, and commercial buildings across the UK and Europe.
How quickly can you deliver products?
Our UK manufacturing facility enables 48-hour lead times for standard canopies and custom ducting solutions.
Do you offer sustainable solutions?
We pioneered the first SRA-approved HVAC systems with 92% grease filtration efficiency and energy recovery technologies for reduced carbon footprints.
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