Mechanical engineering services delivered from conception to completion
UK mechanical engineering contractor since 1973. HVAC, ductwork, fan coil units and bespoke installations for commercial, retail and industrial estates. Same engineers from survey to handover. Named technical lead on every project. Compliance pack signed off on day one.
What we deliver
Full project lifecycle - survey, Stage 4 design, install, commission
We deliver mechanical engineering across commercial, retail and industrial estates from initial survey through to handover and ongoing PPM. The named technical lead on a Rossair project is the same engineer your operations team rings at 2am. No handoffs between phases. Compliance pack issued on completion.
- HVAC design and installation - split system, VRF, chillers, AHUs
- Ductwork supply, installation and thermal insulation
- Bespoke fan coil unit configurations and control panels
- Mechanical plant replacement, retrofit and upgrade
- PPM folded into the contract from day one
- 24/7 helpdesk - same number, same engineers, year after year
50+ years. Parliamentary Review best-practice recognition. Hugo Boss at Heathrow T2.
50+
Years building mechanical services in the UK
T2
Hugo Boss at Heathrow Terminal 2
24/7
Helpdesk and reactive cover
1973
Founded - same business, same standards
Rossair was recognised in the Parliamentary Review as a best-practice representative for mechanical engineering. At Hugo Boss, Heathrow Terminal 2 we delivered ductwork, thermal insulation, fan coil units and a bespoke control panel inside a high-security airport retail environment - engineering access fitted around operational constraints. Same names, year after year.
Compliance
Compliance documentation included in every contract
- SFG20Industry-standard maintenance specification carried into installation projects and PPM.
- F-Gas / REFCOMREFCOM F-Gas certified - refrigerant handling, recovery and disposal records on every refrigerant-bearing job.
- CIBSEChartered Institution of Building Services Engineers guidance followed as standard.
- Gas SafeGas Safe registered and qualified for domestic and commercial gas work.
- NICEICElectrical inspection and test certification on all mechanical-electrical interfaces.
7 sectors
Sectors we serve
CommercialOffices, retail and hotel estates - named technical lead per siteEducationCampuses across Berkshire, Surrey, Hampshire and SussexNHS HealthcareClinical environments with HTM 03-01 compliance documentationAirportsEngineering access fitted around operational constraints - see Hugo Boss, Heathrow T2Facilities ManagementFM portfolios - one contract across multiple sitesGovernment & DefenceGovernment buildings with BIM and golden-thread documentationCareCare homes - 24/7 reactive cover included
Deeper coverage
Mechanical engineering pages by topic
Mechanical services - our workHugo Boss at Heathrow T2, Grosvenor House and other named installations.Mechanical engineering & advanced systemsComplex mechanical systems for critical and high-spec environments.Industrial ventilation systemsHSG258, COSHH-aligned industrial ventilation design and installation.Air conditioning maintenance & installationF-Gas-compliant split, VRF and chiller maintenance and installation.
Frequently asked
Questions about Rossair’s mechanical engineering services
What does Rossair’s mechanical engineering service include?
Mechanical engineering at Rossair runs from conception to completion - survey, Stage 4 design, installation, commissioning and a compliance pack on handover. HVAC, ductwork, fan coil units, thermal insulation, mechanical plant replacement and bespoke control configurations. PPM cover is folded into the contract from day one, with the same engineers staying on the account year after year.
Does Rossair handle full project lifecycle from design to commissioning?
Yes. Rossair delivers mechanical engineering projects end-to-end from initial survey and consultation through Stage 4 design, installation, commissioning and ongoing planned preventative maintenance. The same engineers and the same named technical lead stay on the project - no handoffs between phases, no third-party subcontractor chains.
What sectors does Rossair’s mechanical engineering team cover?
Commercial, retail, industrial, healthcare, education, FM, airports, and government estates. Notable work includes Hugo Boss at Heathrow Terminal 2 (ductwork, thermal insulation, fan coil units, bespoke control panel), Grosvenor House Hotel, Bauer Media UK, and long-term partnerships across NHS, care home and college estates.
Where is Rossair based and what areas does the mechanical engineering team cover?
Rossair operates UK-wide from two offices: Alton (Hampshire HQ, founded 1973) and London (Aldgate). Active mechanical engineering contracts span the south of England, London, and nationally for multi-site clients.
What standards and accreditations does Rossair’s mechanical engineering team work to?
SFG20 for maintenance scheduling, F-Gas for refrigerant compliance, CIBSE-guided design, Gas Safe for gas appliance work, and NICEIC for electrical certification. Rossair is also an approved supplier for Daikin, Mitsubishi and Samsung.
Does the 24/7 helpdesk apply to mechanical engineering projects?
Yes. Every mechanical engineering contract at Rossair includes 24/7 helpdesk access, reactive cover and a named account manager. The same engineers who installed the system respond to call-outs - same number, year after year.
If we’re not the right fit, we’ll tell you who is
Talk to our mechanical engineering services team
Your enquiry goes to our technical team. We call back within one working day.