Chiller Service & Maintenance Experts

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About LH-PLC

Established in 1993

LH-plc has a long and distinguished history of providing the very best in terms of experience and expertise in the field of compressors.

One of the UK’s leading air conditioning and refrigeration engineering companies.

Established in 1993, LH-plc has a long and distinguished history providing the very best in terms of experience and expertise in the field of compressors.

Indeed, LH plc is one of the UK’s leading air conditioning and refrigeration engineering companies.

Our Wimbledon-based headquarters are ideally located to serve London, the Home Counties, and the South of England, with teams of specialist engineers strategically located around the country to serve clients across the UK.

Service & support

But the company does not simply supply the best HVAC technology from around the world. It also backs this up with unsurpassed service and support carried out by friendly, skilful professionals with a wealth of experience and expertise.

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Trusted by the railway sector

Our railway air conditioning and compressor services & specialist engineering divisions are unrivalled in their ability to work together with a synergy that provides our customers with a true turnkey solution.

As well as railway air conditioning servicing and refurbishment, and remanufactured compressors, the company also offers other products and services including online services management, air conditioning service and maintenance, chiller refurbishment, and project management.

Specialist support

The project teams have their own mechanical engineering, consultants and commissioning engineers plus a specialist lifting team with full systems support to ensure projects are safely delivered on time and to budget.

Back-up by LH’s professional service management team, we keep track of clients’ maintenance schedules using purpose-built software, to ensure reliable, trouble-free cooling. LH also keeps complete details of customers’ plant, equipment, and spares so that engineers attending site arrive equipped to deal with any problem. This results in rapid problem resolution and minimal downtime.

Why LH?

LH-plc’s industry-leading ways of working are underpinned by the cutting-edge technology we supply, combined with:

  • Service quality. LH-plc seeks to excel across all areas of the business, including in its business relationships, service, and support.
  • Depth and breadth of experience: Having a long-established presence in the market with acknowledged expertise is only part of the story; LH-plc experts provide brilliant advice on products across the heating and cooling range as well as exceptional back-up and maintenance.
  • Partnering ability: By working with a dependable supplier with a reputation for excellence, LH-plc’s customers have peace of mind in the certain knowledge that they will receive a reliable delivery service and won’t be let down.

We offer a premium service and will help you save money with world-beating products, outstanding maintenance services, exceptional remanufacturing, and remarkable refurbishment & repair.

We have a laser-sharp focus on your needs and our results-driven business ensures you receive the very best in terms of value for money and service.

On top of this, our friendly, knowledgeable staff are exceptionally easy to work with. We take the work seriously, but not ourselves. And we’re not prickly, precious, or pretentious.

All this makes us the ‘go-to’ supplier for all your compressor and chiller technology needs.

Learn more about our company’s commitment to excellence, including our partnership with Calibre Services Group.

ISO accreditation

LH-plc is an ISO 9001:2015 certified company which means it operates a quality management system that can demonstrate its ability to consistently provide products and services that meet customer and applicable statutory and regulatory requirements.

The company also has ISO 14001:2015 accreditation which means it meets the international standard that specifies requirements for an effective environmental management system. This helps us improve our environmental performance through more efficient use of resources and reduction of waste, which has helped us to strengthen the trust of our stakeholders.


Accreditation by a third party verifies that an organization not only does quality work, but also has sound financial, administrative, operational, and oversight practices.

To guarantee that it meets or exceeds minimum quality standards, LH-plc has achieved a host of accreditations.

These include the ISO 9001:2015 quality management standard; the ISO 14001:2015 environmental management standard; CHAS, which enables us to ensure compliance across the different areas of risk management, and mitigate risks across the supply chain, and the Safe Contractor scheme which proves that LH-plc is a safe, stable, and ethical business with which to work.

Talk to an Expert

With a complete range of air-conditioning and refrigeration equipment, LH Plc can provide a solution that works for you, your building and your budget. Please send us a message using the form.


+44 (0) 20 8947 0886

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