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50+ Years
experience
Emergency
services
Trusted Commercial HVAC Solutions Nationwide
Established in 1974, C E R has built a reputation as a trusted provider of commercial HVAC solutions across the UK. Our expertise spans air conditioning, refrigeration, ventilation, and heating systems, supported by decades of industry experience and partnerships with leading manufacturers like Daikin and Mitsubishi. All engineers are certified to City & Guilds F Gas standards, ensuring compliance with the latest technical and environmental regulations.

We prioritise tailored system design, energy efficiency, and long-term client relationships, offering nationwide installations, maintenance, and 24/7 emergency support. Our commitment to apprenticeship programmes and continuous training guarantees a legacy of skilled professionals dedicated to delivering reliable, future-focused solutions for diverse commercial environments.
Services
Air Conditioning Refrigeration Ventilation Boilers & Heating Maintenance
Details
  • Year established: 1974
Highlights and features
  • We have over 40 years of experience in commercial HVAC systems.
  • Our engineers are certified to City & Guilds F Gas standards.
  • Nationwide service coverage for installations and maintenance.
  • 24/7 emergency support for critical system failures.
  • Energy-efficient solutions reducing carbon footprints by 30%.
Associations and certifications
  • REFCOM
  • Gas Safe
  • NICEIC
  • City & Guilds F Gas
What people say
Exceptional reliability Technical expertise 24/7 availability Energy-efficient solutions Nationwide coverage
Services
Air Conditioning
We design and install commercial air conditioning systems tailored to business needs. Our solutions utilise inverter and nanotechnology to reduce energy consumption by 30% while maintaining optimal indoor air quality. Certified engineers ensure compliance with HSG 248 standards for workplace safety.
Commercial Refrigeration
Specialist refrigeration systems for food, pharmaceutical, and industrial sectors. We provide temperature-controlled cold rooms, display units, and backup systems with alarm monitoring. Our REFCOM-certified teams ensure compliance with food safety and pharmaceutical storage regulations across the UK.
Ventilation Systems
Custom ventilation solutions for commercial properties including fume extraction, basement ventilation, and BMS integration. Our engineers design systems meeting CIBSE guidelines to control humidity, remove contaminants, and maintain healthy indoor environments in restaurants, warehouses, and offices.
Boiler Maintenance
Comprehensive boiler servicing and emergency repairs for commercial properties. Gas Safe engineers provide planned maintenance contracts to ensure compliance with The Workplace Regulations. We support critical heating systems in hospitals, schools, and care homes with 24/7 breakdown cover.
24/7 Emergency Support
Round-the-clock emergency response for HVAC and refrigeration failures. Our rapid deployment teams achieve same-day repairs for critical systems, minimising business disruption. This service includes diagnostics, component replacement, and system recommissioning across the UK.
People
John Hazelton
Founder
Established C E R in 1974 with a focus on engineering excellence. His vision created a nationwide HVAC contractor known for technical innovation and client-centric service delivery.
Questions
What HVAC services do you offer for commercial clients?
We provide air conditioning, ventilation, refrigeration, and heating solutions including design, installation, maintenance, and 24/7 emergency repairs for businesses nationwide.
Are your engineers certified for commercial installations?
All engineers hold City & Guilds F Gas qualifications and Gas Safe certifications, ensuring compliance with UK refrigeration and heating regulations.
Do you offer emergency HVAC support?
Yes, our 24/7 emergency service provides same-day repairs for critical system failures across the UK.
Can you handle large-scale refrigeration projects?
We specialise in industrial cold storage solutions for pharmaceutical and food sectors, including temperature mapping and backup systems.
How do you ensure energy efficiency?
We utilise inverter technology and nanotechnology systems that reduce energy consumption by up to 30% compared to traditional HVAC equipment.