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48 Years
experience
Expert HVAC Services in Southampton
Established in 1978, ARB Mechanical Engineering has evolved from a mechanical pipework installation contractor into a fully multi-disciplined HVAC contractor. Our reputation for professional, efficient service at competitive rates has grown through decades of delivering complex mechanical services projects. We employ 15 engineering staff and 35 site operatives, supported by approved subcontractors, and maintain approvals with 50 specifying authorities. Our expertise spans design, supply, and installation of building services including heating, ventilation, air conditioning, and sustainable energy systems. We specialise in working within occupied premises such as hospitals and heritage buildings, combining technical precision with sensitivity to operational needs.

Our commitment to energy conservation is demonstrated through innovative solutions like solar hot water systems, heat pumps, and thermal simulation modelling. We provide full design and build services, ensuring compliance with building regulations and BREEAM guidelines while prioritising client-specific requirements. Our long-standing relationships with clients, including local authorities and NHS trusts, reflect our ability to deliver high-quality projects ranging from 340,000 to 2.73m. We maintain rigorous project management processes, with dedicated teams overseeing safety, procurement, and commissioning. Our technical capabilities are supported by the latest software technology, enabling us to produce detailed design packages and coordinated drawings.
Services
Heating Systems Ventilation Solutions Air Conditioning Energy Conservation Sustainable Energy Medical Gas Systems BMS Controls Commissioning Design & Build
Details
  • Year established: 1978
Highlights and features
  • 45+ years of specialist HVAC experience since 1978
  • Full design and build service with in-house engineering team
  • Proven expertise in hospital and heritage building projects
  • BREEAM-compliant energy conservation solutions implemented
  • Established partnerships with NHS trusts and local authorities
Services
HVAC Installation
We design and install complete heating, ventilation, and air conditioning systems for new builds and refurbishment projects. Our engineers implement energy-efficient solutions compliant with current building regulations. Systems incorporate advanced controls for optimal performance in commercial and healthcare environments.
Energy Conservation
Our energy conservation services include thermal modelling, solar hot water systems, and heat pump installations. We integrate rainwater harvesting and condensing boilers to exceed BREEAM standards. Projects combine technical innovation with practical implementation for measurable energy savings.
Heritage Refurbishment
Specialist mechanical services for listed buildings including Queen Victoria's Osborne House. We deliver modern HVAC systems while preserving architectural integrity. Our approach balances regulatory compliance with operational requirements in sensitive environments.
BMS Controls
We install and commission building management systems for complete environmental control. Our solutions integrate HVAC, security, and energy monitoring functions. Systems are tailored to client needs with user-friendly interfaces for commercial and healthcare facilities.
Medical Gas Systems
Specialist installation of medical gas pipelines and associated equipment in hospitals and clinics. We comply with HTM 02-01 standards for oxygen, nitrous oxide, and vacuum systems. Projects include upgrades at Southampton General Hospital and Princess Anne Maternity Unit.
Questions
What HVAC services do you offer?
We provide complete heating, ventilation, and air conditioning system design, installation, and commissioning for commercial and healthcare sectors.
Do you work on heritage buildings?
Yes, we specialise in mechanical services for listed buildings including Queen Victoria's Osborne House and Art Deco apartments.
Can you handle hospital projects?
We have extensive NHS experience including Southampton General Hospital's haematology department and Princess Anne Maternity Unit upgrades.
What energy solutions do you provide?
Our sustainable solutions include solar thermal systems, ground source heat pumps, and BREEAM-compliant energy conservation measures.
What areas do you cover?
We operate across Hampshire with projects in Southampton, Bournemouth, Eastleigh, and London.