Challenging the Built Environment to a cleaner future


Truly Sustainable is here to help organisations achieve their Sustainability and Energy goals. We challenge and encourage project teams to keep Sustainability and Energy Efficiency front and centre.

Who we are

We are passionate about Sustainability and Energy Efficient design. We are here to add sustainable value to all projects by supporting change and innovation.  It is vital to our business that we form lasting and sustainable relationships with our clients allowing us to focus on making real change. We pride ourselves on customer service and exceptional results.

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Gorgeous evening on a solar array installation in Delran, New Jersey. Original public domain image from Flickr

Energy Auditing and Benchmarking

We can complete an Energy Audit on your business providing advice on measures to reduce Energy consumption and Carbon emissions. Below are some of the services we offer;

  • Energy Audits to SI 426
  • Walk-through Audits
  • ASHRAE Level 1, 2 and 3 Audits 
  • Small Business Energy Audits
  • Non-Domestic BER Certificates
  • Support Scheme for Energy Audits (SSEA)
  • Energy modelling 
An engineering workspace with a laptop

EXEED Expert

EXEED is a systematic approach to the design, construction and commissioning of new investments and upgrades. Further information on eligibility and funding is available on the SEAI website. 

If you have a new project or aspirations for a major Energy upgrade, please get in touch to discuss how we can assist.

Where grant funding is not available, following IS 399:2001 ‘Energy Efficient Design’ is still good practice which can lead to significant savings in Energy use. We are here to guide you through the process.


Electric car (EVs) battery being charged

Feasibility Studies

Have a new technology or concept you want to review? Let your engineers concentrate on designing and we will investigate it for you. We have experience with the following studies;

  • Electric Vehicle charging infrastructure
  • Car Share schemes for residential developments
  • Photovoltaics (PV)
  • Commercial heat pump retrofits
  • Electrification of sites
Multi-ethnic people holding energy graph.


We are here to give advice and help you when purchasing or building a house or apartment. We are strong advocates for a ‘fabric first’ approach to building and will help you cut through the multitude of options available to you. Some of the services we offer include;

  • BER Certificates
  • Part L compliance
  • Upgrades and Grant advice
  • Heat Pump suitability reviews
  • Mechanical ventilation
  • Energy and Carbon reduction
  • SEAI Grants
Why Choose Us

What Sets Us Apart


With Truly Sustainable, you will always be dealing with a senior consultant, no matter how big or small your project is. We pride ourselves on customer service.

Design Background

We have 15 years' experience in the building services engineering industry. This background in engineering design provides invaluable insights into mechanical and electrical systems, which are the main contributors to energy use in the Built Environment.

Pragmatic Approach

We have experience on both sides of the table and understand that each stakeholder has different priorities. We are here to bring everyone together to achieve what is most important for each individual project.


T: +353 85 253 0046