About Us

About Us
About BERtech Innovation Ltd

Professional Building Energy Assessors

BERtech Innovation Ltd. was founded by John Barrett. As a Chartered Engineer, BER Assessor, and Technical Advisor with over two decades of experience in the Irish construction industry, John brings a wealth of knowledge and expertise to the table. His journey in construction has encompassed a wide range of areas, but it was in the realms of construction quality, compliance and energy efficiency that he discovered his true passion. Engaged and motivated by his findings, John observed the challenges homeowners faced when making decisions about energy upgrades and navigating the sea of available information. At BERtech Innovation, our mission is clear, we’re dedicated to assisting homeowners in achieving their desired outcomes while simplifying the process. We’re here to make your journey towards a more energy-efficient home as hassle-free as possible.

“At BERtech Innovation Ltd, we are dedicated to facilitating the seamless transition towards a sustainable future in Ireland’s energy landscape. As the national grid progressively integrates renewable sources, such as wind and solar power, we recognize the critical importance of ensuring that homes across Ireland are equipped to harness and maximize the benefits of this renewable energy shift. We are committed to preparing homes for this transition, optimizing their energy efficiency and sustainability to align with Ireland’s evolving energy goals. By offering comprehensive assessments and tailored solutions, we empower homeowners to embrace renewable energy technologies, thus contributing to a cleaner, greener, and more resilient energy future for generations to come.”

John Barrett
John Barrett


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The Story So Far

Superior Building Energy Surveys

About Us
Heat Pump Technical Assessments
2020 - 2024

Delivering for our valued clients

Our company, established in 2020, is dedicated to delivering the highest quality of building energy services to our valued clients. At the heart of every energy report is the calculation of the building energy rating, using the Dwelling Energy Assessment Procedure (DEAP) software. This tool, coupled with a precise methodology, serves as invaluable support for designers, architects, and engineers striving to achieve optimal outcomes in home retrofitting. Since our inception, we have amassed extensive experience in the Irish energy upgrade market, continually evolving to enhance and refine our service offerings. Our unwavering commitment remains centred on empowering our client, the pivotal individuals in this process by providing unparalleled assistance and guidance.

Why Choose Us

Reason For Choosing Us

Accredited Company

We're SEAI-registered BER Assessors & technical advisors, members of Engineers Ireland and the BER Assessor association.


We stay current with industry training on energy-efficient building performance to ensure up-to-date knowledge and skills.

Quality Service

Experience unparalleled service quality. Trust us for precise BER certification, ensuring accuracy and client satisfaction. Your assurance is our commitment.

Working With The Best

We recognize the importance of cultivating strong relationships with other stakeholders in the industry. We firmly believe that superior outcomes are achieved through collaborative efforts and well-planned, high-quality projects. As Charles Darwin famously said, ‘In the long history of humankind, those who learned to collaborate and improvise most effectively have prevailed.’ This ethos drives our dedication to effective collaboration for sustainable success.

Who we work with

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