Case Study – Commercial Office Building
The first step of this project was to upgrade the boiler on site. This generated energy savings of over 490,000 kWh per year. After the upgrade of the boiler, the cooling system on site also required upgrades.
After the completion of these upgrades, the HVAC system was refurbished. This project allowed savings of 218,641 kWh per year.
The on site management then continued by upgrading the lighting on site from halogen and fluorescent lighting to LED fittings. The savings found as a result of this project were 64,744 kWh.
The pumps on site were also improved before a BMS system was installed on site to allow for the accurate monitoring and regulation of the building’s electrical power usage.
Services We Provided
In order to give our client the best service possible we carried out the following tasks:
In addition to improved comfort and reduced maintenance costs, the building’s retrofit has delivered exceptional energy savings, with projected annual reductions of over 20%. These savings not only represent a significant financial benefit but also contribute to the client’s wider sustainability strategy. Through the integration of energy-efficient systems such as modern boilers, upgraded insulation, and intelligent heating controls, the building now operates with far greater efficiency. This approach enhances thermal consistency throughout the facility while eliminating unnecessary energy waste, especially during peak demand periods.
The value of these energy savings extends beyond utility bills. As energy prices remain unpredictable, investing in targeted upgrades allows commercial office buildings to stabilise costs and improve long-term resilience. Additionally, enhanced energy performance improves EPC ratings and supports ESG (Environmental, Social, and Governance) reporting requirements. This project demonstrates how practical engineering improvements, led by data and focused on real outcomes, can unlock long-term energy savings while future-proofing operational performance. It stands as a compelling case for other businesses seeking similar results.
Key Achievements
The energy savings of 969 thousand kWh were achieved through a number of smaller projects such as a boiler upgrade and HVAC upgrades.
The BMS provides useful information on the building and allows for the company to make better decisions about their energy usage.
A number of successful upgrades were installed including upgrades to the boiler, cooling, HVAC, lighting, pumps and BMS
For businesses operating in Ireland, improving energy efficiency also supports evolving compliance needs, such as those under the Corporate Sustainability Reporting Directive (CSRD) outlined by the Department of Enterprise, Trade and Employment.
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