The family home of Tomás O’Leary in Wicklow was the first Passive House to be built in Ireland consisting of two-storeys, an area of 4000sq ft and was purpose-built to heat and cool itself, without the need for any active heating or cooling system. The house was MosArt designed, specified and supervised while being constructed, also the house is officially certified as a Passive House by the German Passive House Institute.
The house is constructed with block clad and 315mm of EPS with its orientation south facing. The U Value of the building envelope is 0.10W/m2K. Greenspan supplied the external insulation and plaster system for the house and it was installed by external insulation contractors from the UK Insulclad. For the windows contained in the house they have a U Value of 0.67W/m2K and were supplied by Optiwin Ireland. The heat exchanger is certified > 90% heat recovery within the house and was supplied by Produkt Ltd. There is 7.5m2 area of solar panels attached to the building and they were supplied by Eco-NRG from Wexford who also carried out all the plumbing in the house. the airtightness for the house allows for 0.55 air changes per hour and the air-tight tapes and membranes where supplied by Ecological Building Systems in Meath. All of the domestic appliances used in the house are A rated or higher and as well as this there is a wood pellet stove system installed. The main benefits of the Passive House is the low CO2 emissions and no heating bills for the owners.
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