Air Conditioning Hampshire
At Rossair, we deliver industry-leading Air Conditioning Hampshire, mechanical engineering services, and HVAC contractor solutions across Hampshire. With over two decades of proven experience, we support commercial, industrial, and residential clients with energy-efficient systems, technical precision, and unmatched aftercare. Our engineers are fully certified and committed to delivering end-to-end excellence in every project—from design to installation and long-term maintenance.
Comprehensive Air Conditioning Solutions in Hampshire
We specialise in bespoke air conditioning systems for a wide range of applications, including offices, schools, hospitals, retail units, warehouses, and luxury homes. Whether it’s a compact split unit for a single room or a sophisticated multi-zone VRF system for a commercial complex, Rossair ensures a customised solution tailored to your exact requirements.
Design & Consultation
Every project begins with a detailed site survey and expert consultation. We assess heat loads, airflow dynamics, and building layout to develop a solution that delivers optimal thermal comfort and minimal energy consumption. Our engineers utilise the latest CAD and BIM technology to design future-ready, sustainable systems.
Professional Installation
Our installation process is driven by technical rigour and engineering accuracy. We ensure that each component—from ducting and piping to control systems—is installed to the highest specification, fully compliant with F-Gas regulations and British Standards. Our team works swiftly and cleanly, minimising disruption to your premises and operations.
Energy-Efficient Cooling Technologies
Rossair installs premium-grade systems from leading manufacturers such as Daikin, Mitsubishi Electric, and Toshiba. We focus on A+++ rated solutions that incorporate smart controls, inverter technology, and eco-friendly refrigerants, helping clients reduce their carbon footprint and energy bills.
Trusted HVAC Contractor Services in Hampshire
As a top-tier HVAC contractor in Hampshire, we provide full-spectrum heating, ventilation, and air conditioning services designed for year-round environmental control. Our integrated systems deliver seamless climate management, improving indoor air quality, temperature regulation, and humidity control in all types of buildings.
Commercial HVAC Installations
We partner with businesses to develop tailored HVAC systems for commercial buildings, from multi-story office blocks to data centres. Our expertise covers:
- Air handling units (AHUs)
- Chiller systems
- Fan coil units (FCUs)
- Heat recovery ventilation (MVHR)
- Building Management Systems (BMS)
Each installation is designed with energy efficiency, occupant comfort, and operational continuity in mind.
HVAC Repairs and Emergency Callouts
Our rapid-response maintenance teams are available 24/7 across Hampshire to address any HVAC emergency. From compressor failures to refrigerant leaks, we restore functionality with minimal downtime, ensuring your operations remain uninterrupted.
Routine HVAC Maintenance
We offer planned preventative maintenance (PPM) contracts that keep your system running at peak performance year-round. Regular servicing extends equipment life, improves efficiency, and ensures compliance with all legal requirements.
Precision Mechanical Engineering Services
At Rossair, our Mechanical Engineering Services supports both new build and retrofit projects with full mechanical design, installation, and support services. Our qualified engineers cover:
- Pipework installations (steel, copper, HDPE)
- Boiler plant rooms
- Chilled water systems
- Gas safety and compliance
- Thermal insulation
- Mechanical ventilation systems
We ensure that every mechanical component functions in perfect synergy with your building’s HVAC infrastructure, optimising performance and reliability.
Sectors We Serve
Our mechanical engineering services are widely used in:
- Healthcare and medical facilities
- Education and universities
- Industrial and manufacturing sites
- Retail and hospitality sectors
- Government and council buildings
We understand the unique mechanical requirements of each sector and apply our specialist knowledge to ensure full operational compliance and long-term system integrity.
Sustainable, Future-Proof HVAC Solutions
At Rossair, we are committed to supporting the Net Zero 2050 initiative. Our systems are built with sustainability at their core, integrating advanced technologies such as:
- Air source heat pumps (ASHPs)
- Ground source heat pumps (GSHPs)
- Smart building controls
- Demand-controlled ventilation systems
- Low-GWP refrigerants
By incorporating green technologies, we help clients not only meet current building standards but future-proof their properties against upcoming environmental regulations.
Why Choose Rossair for Air Conditioning and HVAC in Hampshire?
1. Industry Accreditation
We are fully accredited by:
- REFCOM (F-Gas certification)
- CHAS (Health & Safety)
- Gas Safe Register
- Constructionline Gold
- ISO 9001:2015 Quality Management
These certifications guarantee that every aspect of our work is conducted to the highest safety, quality, and environmental standards.
2. Experienced and Skilled Engineers
Our in-house team of mechanical engineers, HVAC technicians, and project managers possess deep technical knowledge and decades of field experience. We continually invest in training and upskilling to stay at the cutting edge of HVAC technology.
3. Bespoke Project Management
From tender to commissioning, Rossair manages every project with transparent communication, detailed documentation, and milestone-based delivery. We pride ourselves on meeting deadlines, budgets, and technical goals without compromise.
4. End-to-End Service
We provide a complete HVAC and mechanical engineering service, so clients deal with one expert provider, not multiple subcontractors. This ensures consistency, accountability, and superior project outcomes.
Client Testimonials
“Rossair transformed our aging HVAC system into a high-performance, energy-efficient solution. Their professionalism and technical expertise were evident at every stage.”
— Facilities Manager, Southampton Business Park
“The team at Rossair handled our hospital’s chilled water plant upgrade with zero disruption to patient care. Their attention to detail and compliance knowledge was outstanding.”
— NHS Estates Lead, Hampshire
Areas We Serve in Hampshire
Rossair provides air conditioning, HVAC contracting, and mechanical services throughout Hampshire, including:
- Southampton
- Portsmouth
- Winchester
- Basingstoke
- Andover
- Fareham
- Eastleigh
- Aldershot
- Petersfield
- Lymington
Get in Touch With Rossair Today
Whether you require a new HVAC Contractor, air conditioning upgrade, or mechanical engineering consultation, Rossair is your trusted partner in Hampshire. Speak to our technical team today for a free consultation and site survey.
📞 Call us now: 44(0)1420 566822
📧 Email: enquiries@rossair.co.uk
🌐 Visit: https://rossair.co.uk/
Experience excellence in engineering with Rossair — Hampshire’s trusted HVAC and mechanical services provider.
