Call Now
Website
Call
Business Details
50+ Years
experience
Trusted HVAC Contractors in High Wycombe
Established in 1965, Constant Air Systems has built a legacy of excellence in HVAC solutions, mechanical and plumbing services, and off-site prefabrication. With over 57 years of experience, we specialize in delivering tailored packaged plantrooms, skid solutions, and modular systems for commercial, educational, healthcare, and industrial sectors. Our 2015 relocation to a state-of-the-art facility in High Wycombe expanded our capacity to handle large-scale prefabrication projects, ensuring precision and efficiency.

We pride ourselves on maintaining long-term partnerships with leading HVAC manufacturers, enabling us to provide cost-effective, energy-efficient solutions that reduce carbon footprints. Our team of expert engineers offers comprehensive planned preventative maintenance, asset lifecycle planning, and remedial project support, ensuring optimal system performance for clients nationwide.
Services
Packaged Plantrooms Skid Solutions Modular Systems HVAC Maintenance Energy Efficiency
Details
  • Year established: 1965
Highlights and features
  • Over 56 years of experience in HVAC and building services
  • Specialized in off-site prefabricated plantrooms and skid solutions
  • Bespoke energy efficiency and carbon reduction strategies
  • Nationwide service with a focus on quality and reliability
  • Proven track record in complex, large-scale projects
Services
Packaged Plantrooms
We design and manufacture fully prefabricated packaged plantrooms for heating, chilled water, and ventilation systems. These modular units include boilers, pumps, controls, and insulation, ensuring rapid on-site installation. Ideal for commercial and industrial applications, our plantrooms reduce construction time and costs while maintaining compliance with industry standards.
Skid Solutions
Our skid-mounted solutions integrate mechanical, electrical, and plumbing components on a single platform. These pre-assembled units streamline deployment for projects requiring compact, efficient systems. Applications include HVAC, water treatment, and energy distribution, with customization to meet specific project requirements and space constraints.
HVAC Maintenance
We provide planned preventative maintenance (PPM) and emergency repair services for HVAC systems. Our engineers ensure optimal performance through regular inspections, part replacements, and energy efficiency audits. Backed by partnerships with major manufacturers, we deliver reliable support to extend equipment lifespan and minimize downtime for commercial clients.
Energy Efficiency
Our energy efficiency solutions focus on reducing operational costs and carbon footprints. Services include system upgrades, thermal insulation, and lifecycle planning. We analyze existing infrastructure to recommend tailored improvements, such as heat recovery systems or renewable energy integration, ensuring compliance with sustainability targets and regulatory standards.
Modular Systems
We specialize in modular construction for mechanical and electrical systems, including pipe modules and risers. These off-site fabricated components are quality-checked before delivery, ensuring seamless on-site assembly. Modular systems enhance project timelines and reduce labor costs, particularly for large-scale developments in logistics, healthcare, and education sectors.
Questions
What services does Constant Air Systems offer?
We specialize in off-site prefabricated plantrooms, skid solutions, HVAC systems, energy efficiency upgrades, and planned maintenance services for commercial and industrial clients.
How long has Constant Air Systems been in business?
We have over 57 years of experience, established in 1965, with a focus on HVAC, mechanical services, and modular construction since 1986.
Do you provide nationwide service?
Yes, we operate across the UK, serving sectors like commercial, education, healthcare, and logistics with tailored building services solutions.
What is your approach to energy efficiency?
We offer bespoke energy audits, system upgrades, and lifecycle planning to reduce carbon footprints, including insulation, heat recovery, and renewable energy integration.
Can you handle large-scale prefabrication projects?
Our 2015 facility expansion enables us to manage large pre-fab schemes, including modular pipe systems and plantrooms, ensuring precision and timely delivery.
Videos