Innovation Engineering is key to keeping Crystal Air focused on improving the client experience.

As a market leader in the installation, design, service and maintenance of all types of air-conditioning and indoor weather control systems, Crystal Air is steeped in tradition and expertise. Our attention to detail, from design and product selection to installation and maintenance, ensures that every project is approached with the highest of standards to meet the client’s demands in full.

We also have an international network, with subsidiary companies established in Finland, Germany, Belgium, Sweden and the Netherlands, to support overseas projects. All under an umbrella holding company, Crystal Air Holdings Ltd.

Explore our Services

Service and Maintenance

Cut costs and reduce downtime with a Crystal Air preventative Service and Maintenance programme.

HVAC Installation

Crystal Air are Ireland's most trusted HVAC installer in the retail, hospitality, industrial and commercial sectors.

Thermal Energy Storage

TES bridges the gap between energy storage and energy use and is used within HVAC systems for cooling and heating schemes.

Heat Pumps

Efficient and sustainable, heat pumps control the interior climate of a building by distributing the heat that is already available in the air.

We are working with four out of five of the world’s largest technology firms

Turnkey Solutions

Appoint Crystal Air as your Turnkey Solutions Partner and we will look after the entire job from beginning to end, freeing you up to look after your business.

As your Turnkey Solutions Partner we appoint and manage any additional contractors you need: builders, plumbers or electricians, and should you need a job signed off for professional indemnity insurance purposes, we’ll appoint a consulting engineer.

Trusted partners

Our highly experienced team ensure that attention to detail from design and product selection to installation and maintenance is approached with the highest of standards to meet the client’s demands in full.

In-house experts

Our engineers are highly trained on all new technology advances so standards are continuously adhered to, while providing the highest level of industry knowledge.

24 x 7 Technical Support

The peace of mind that comes from a 24-hour Technical Support Service available 365 days a year attended to by highly trained personnel who will provide an immediate response.

Quality Assurance

We operate a Quality Management System (QMS) in accordance with the requirements of ISO 9001:2015. We are committed to ensuring that our customer, statutory and regulatory requirements are understood and consistently met.

What our clients say


David O'Brien


As Contracts Director and Co-founder of Crystal Air Ltd, David’s key area of responsibility includes the management of all installations ensuring projects are delivered from inception to client handover and to a high industry standard.

David has 35 years experience in the air conditioning industry and has been involved in project applications using Close Control systems, Chillers, VRV and DX systems. David has extensive experience in managing data centre projects across Ireland & Europe.

He is also a member of the Institute of Refrigeration Ireland. David is also directly responsible for Health & Safety and quality procedures are adhered to at all times while keeping up with the ever changing Health & Safety legislation.


Caroline Campbell


Caroline graduated with a Bachelor of Business (Honours) from Athlone Institute of Technology in 2005. She joined Crystal Air that year to work within our Service & Maintenance Department and having been previously promoted to Manager of this department she was appointed Director of Service & Maintenance in 2014 with responsibility for the growth and development of the department.

Her key role is the management of our existing customer relationships whilst ensuring that our customer expectations are exceeded through our planned preventative maintenance programmes and 24/7/365 reactive call-out and support service. Caroline also has responsibility for ensuring that our ISO accredited quality standards are adhered to and maintained throughout all departments within Crystal Air.


Domnick Ward


Domnick is the MD and founding partner of Crystal Air and is responsible for business development and key client relationships. His hands on approach keeps the team focused on new products and promotes innovation to find better engineered solutions while maintaining a healthy environment.

With over 30 years experience in the industry Domnick still enjoys the challenges here and abroad with input into our offices in Ireland, Holland and Finland. He is an active member of IRI and member of ASHRAE and a past chair of F-Gas IRI sub group and founder of FGR in Ireland. He also enjoys travelling and is known to play a round of golf.