One of Irelands longest established & largest BER providers

Nationwide Energy Constultants is one of Ireland’s longest-established companies specialising in BER certification, air tightness testing, and ventilation validation. Located in Co. Louth since 2009, we provide a range of property services for clients across Leinster and the surrounding areas designed to get a comprehensive overview of the energy efficiency of your property.

Our Services


As an experienced, professional service, we have managed the completion of over 25,000 building energy ratings and over 7,000 air tightness tests to date. We work with large contractors, government bodies, housing associations, county council’s estate agents, renewable energy installers, and more to build a reliable reputation in the industry. We are regulated by the NSAI and SEAI to ensure high quality work.

Submit an inquiry for more information on our BER, Air Tightness, and Ventilation Services

Nationwide Energy Consultants On RTE