Building Energy Rating Tools
Understanding Your Building’s Energy Performance
Whether you’re selling, renting, or upgrading a commercial building, you may need a Non-Domestic Building Energy Rating (NDBER) to comply with Irish energy regulations. Display Energy Certificates (DEC) are mandatory for public buildings for public buildings over 250m2.
At Truly Sustainable, we provide independent energy performance assessments to help businesses meet compliance requirements, improve efficiency, and identify energy-saving opportunities.
What Certifications & Assessments Do We Offer?
Non-Domestic BER (Building Energy Rating) Assessments
Required when selling, renting, or upgrading commercial properties
Evaluates the energy efficiency of the building and assigns an official BER rating
Helps business owners & property managers identify energy improvement opportunities
Display Energy Certificates (DEC)
Mandatory for public buildings over 250m²
Shows actual annual energy consumption based on meter readings
Helps organisations monitor & improve energy performance over time
Why Get a BER or DEC?
Meet Legal Requirements – Stay compliant with energy performance regulations
Increase Property Value – Higher BER ratings improve marketability
Identify Energy Savings – BER & DEC assessments highlight energy inefficiencies
Get Your Energy Certification Today
Whether you need a BER or DEC, we provide independent, expert assessments to support your energy and sustainability goals.