Company Overview
Company History

Codex Energy Consultants Ltd is a company of specialist engineering and energy consultants. Codex Energy was formed to provide a focused hands-on service specifically targeted to assist our clients to reduce their energy consumption and therefore the operating costs of their businesses.

Our team understands fully the increasing importance of energy efficiency in the building sector. We can advise our clients on how to improve their energy efficiency and hence increase the value of their property while decreasing running costs.

Codex Energy are independent consultants, and do not promote any one product or particular technology. Codex Energy fully recognises and appreciates that the continued success and growth of the company is ultimately determined by our commitment to quality and innovation.

Codex Energy provides a complete energy advisory service for buildings of all types and utilise our expert knowledge with the latest technology to provide cost-effective solutions to clients.

All of our engineering staff are members of professional engineering institutions with a commitment to continued professional development. Only certified energy assessors carry out assessments and issue BER Certificates. Codex Energy has a team of professional engineers who have been certified as official energy assessors by the SEAI for both domestic and non-domestic buildings.

To book an appointment or to get a quote, simply click here and a member of our team will contact you. Our office is based in Dublin 11 and we provide a nationwide service.

Our Values

Communication & Integrity

We listen and engage with clients. Remain open and treat people with the utmost respect. Provide honest, concise, articulate recommendations.

Energy Efficiency

Sustainability in buildings is one of our key considerations. Improving efficiency while respecting the community and environment is central to all our design concepts.


We instil an ethos of high quality through our personnel and innovative design. The health and safety of people is at the core of all our design methodologies.

Our Management Team
Keith Beirne
Managing Director
Padraic Dempsey
Joseph McMahon
Senior Energy Consultant
Terence Daly
Senior Mechanical & Energy Engineer