Teagasc Johnstown Castle – Building Performance Optimisation

Lawler Sustainability was brought in by Teagasc to provide a Building Energy Rating (BER) assessment and identify opportunities to improve the building performance of the historic, Johnstown Castle

Improved Energy Efficiency
Reduced Running Costs
Wexford, Ireland
Johnstown castle

Sustainability Upgrades

Following the BER assessment, our team identified that lighting accounted for 41% of Johnstown Castle’s Co2 emissions.

To help reduce this, our engineers recommended upgrading the existing lighting system to more energy-efficient LED lights and fixtures.

It was also discovered that many areas of the building were at high risk of overheating and thus, required immediate attention.

We advised the installation of reflective coating or shading devices on the windows. This prevents large amounts of heat from entering the building through open windows.

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