Meet the Team

Sean Costigan
Ventilation Manager
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. Sean’s main responsibilites include ensuring the efficinet and effective supervison of the ventilation teams

Peter Dean
Ventilation Supervisor
Peter holds a degree in Quantity Surveying, he is responsible for the designing and pricing in the Ventilation Systems, Scheduling, Commissioning and Validating Systems.

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.

Patrick Wycherley
Managing Director
Patrick started Clean Energy Ireland in 2006 and is involved in this company and his other businesses on a daily basis. He holds an honours masters degree in Environmental Engineering and an honours primary degree in Electronic Systems, both from the University of Limerick.

Renata Molnar-Furst
Office Administrator
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.