Meet the Team

Con Dempsey

Con Dempsey

General Manager

Con holds an honours degree in Commerce from UCC. He has over 20 years’ experience in all aspects of the construction industry. In recent years Con has specialised in ventilation systems from design to handover. Appointed to the position of General Manager, Con is now responsible for the day to day activity of the business.

David Ryan

David Ryan

Electrical & Solar PV Team Leader

Dave is a qualified electrician and specialises in the installation of our Solar PV systems and heat-pumps. He has over a decade of experience working in the construction industry in both domestic and commercial settings.

Sean Costigan

Sean Costigan

Ventilation and Testing Services Team Leader

Sean holds an honours degree in Quantity Surveying from Cork Institute of Technology. He has worked as a quantity surveyor in the construction industry for 10 years. Sean is an NSAI certified Air tightness tester. Currently he is focusing on designing and pricing Mechanical Ventilation Systems including MHRV, DCV and MEV.

Tim Sheehan

Tim Sheehan

Testing and Validation Services Supervisor

Tim holds an Irish Institute of Purchasing and Materials Management (IIPMM) degree and has been working in the building industry over numerous years, providing customer service and administration. At Clean Energy Ireland Tim’s diligence ensures that the Airtightness and Sound Testing is well run and that customers receive a speedy and reliable service.

 

Renata Molnar-Furst

Renata Molnar-Furst

Maintenance Services Coordinator

Renata manages all maintenance services at CEI. Her enthusiasm and passion ensures that customers have a positive experience dealing with the company. She has 7 years’ experience of performing administrative and secretarial duties, dealing with customers in a positive and friendly manner.

 

Deirdre O’Rourke

Deirdre O’Rourke

Customer Services & Solar PV Supervisor

Deirdre is a very experienced and valued member of the team. She has a BA, Graduate Diploma Business Studies with IT. Deirdre has vast experience in Sales, Administration, Reporting & Customer Service. A team player, she assists with the smooth running operations and oversees the Solar PV works from enquiry to installation, including Home Energy grant requirements.​

Claire Sheehan

Claire Sheehan

Invoicing and Plumbing Services Supervisor

Claire has held many senior positions in large companies throughout her professional career. She manages a team of plumbers & maintenance technicians, plus an admin team in the office. One of Claire’s responsibilities is credit control -a task taken very seriously in the company.

 

Jane O'Neill

Jane O'Neill

Office Administrator and Payroll Support

Jane has over 4 years in retail management and has succeeded in a Book-keeping, Accounting/Sage Course. She manages Office Administration, Reception and Payroll support. She is also responsible for HR. Purchases and Maintaining Staff Health & Safety.

Arek Rysiewicz

Arek Rysiewicz

Renewable Energy Sales Engineer

Arek is responsible for the design and costing of Solar PV Systems, processing of technical documentation, management of materials and scheduling of works. With a Master’s degree in Management and Production Engineering, specialising in Renewable Energy and Reverse Engineering and having experience in both domestic & commercial Solar PV industry he is an invaluable asset to the CEI team.

Conan Fitzsimmons

Conan Fitzsimmons

Plumber

Conan is a fully qualified and a very experienced plumber. He specialises in heating and plumbing, and is very experienced with Mitsubishi Monoblock and split air source heat pump units. He is also very adept at installing and maintaining/repairing solar thermal systems.

Eoin Daly

Eoin Daly

Air & Sound Test Engineer

Eoin has an honours degree in Sustainable Energy Engineering. He is an NSAI certified air tester and in primarily focused on the airtightness and sound testing aspects of the business.

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