
Wembley Health Centre
Full gas removal and heating fully electrified in a live clinical building. Decarbonisation design, gas removed from site, future-proofed system life.
Client · NHS
Rossair Ltd · Company 01151450 · Trading heritage since 1973
Active·main contractor & engineer & consultant·Head office Alton
Rossair is a UK building services and mechanical engineering contractor established in 1973. We design, install, and maintain HVAC and mechanical & electrical (M&E) systems, including planned maintenance, decarbonisation, MEP installations, and renewable energy solutions. Our services cater to NHS healthcare, education, care, and commercial estates across the UK, with a focus on delivering reliable and efficient building services.
We pride ourselves on our directly employed engineers and a consistent team, ensuring a high level of service and expertise. Our approach emphasizes long-term client relationships, with many partnerships spanning decades. We offer a principal contractor model, delivering projects from conception to completion with a named technical lead and a comprehensive compliance pack.
Rossair is committed to sustainability and decarbonisation, offering heat pump installations, gas removal, and renewable energy solutions like solar PV and battery storage. We work with clients to navigate complex projects, ensuring minimal disruption in live, occupied environments. Our accreditations and certifications underscore our dedication to quality and compliance.

Full gas removal and heating fully electrified in a live clinical building. Decarbonisation design, gas removed from site, future-proofed system life.
Client · NHS

A 140kW heat pump delivered from stock in 48 hours. Energy saved in four months, award for innovative project.
Client · Chichester College

Compliance, maintenance and projects under one trusted partner. Service partnership, compliance and maintenance, supporting The Grand Plan.
Client · Olympia Events
Heathrow Terminal 2
Delivered ductwork, thermal insulation, fan coil units and a bespoke control panel inside a high-security airport retail environment.
Client · Hugo Boss
NHS, Chichester College, Olympia Events, Wembley Health Centre, Quebec Government Office, Hugo Boss, Heathrow Terminal 2, Grosvenor House Hotel, Bauer Media UK.
This profile was compiled from public records. Claim it to add the things buyers ask for:
UK building services and mechanical engineering contractor since 1973. HVAC maintenance, MEP installation and decarbonisation for NHS, education and commercial estates. Their listed services include Heating & ventilation, M&E contracting, Air conditioning, Solar PV and EV charging.
Rossair Ltd is registered at ALTON, GU34 1EN, in South East.
Rossair Ltd states that it works across Berkshire, Surrey, Hampshire, Sussex, M25 and Manchester.
Companies House lists Rossair Ltd as active.
Rossair Ltd displays Daikin Approved Supplier, Mitsubishi Electric Diamond Quality Partner, Samsung Climate Solutions, Gas Safe, REFCOM F-Gas Certified and IOSH on its website.
Rossair Ltd works in Healthcare, Education, Commercial, Public and Energy.
Rossair Ltd was incorporated on 1973-12-14.
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