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Mechanical Engineering

Technological University Dublin

Retrofit

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Full-Text Articles in Engineering

State Of The Irish Housing Stock - Modelling The Heat Losses Of Ireland’S Existing Detached Rural Housing Stock & Estimating The Benefit Of Thermal Retrofit Measures On This Stock, Ciara Ahern, Philip Griffiths, Micheal O'Flaherty Jan 2013

State Of The Irish Housing Stock - Modelling The Heat Losses Of Ireland’S Existing Detached Rural Housing Stock & Estimating The Benefit Of Thermal Retrofit Measures On This Stock, Ciara Ahern, Philip Griffiths, Micheal O'Flaherty

Articles

Ireland’s housing stock has been identified as being amongst the least energy efficient in Northern Europe. Consequently, atmospheric emissions are greater than necessary. Government funded schemes have been introduced to incentivise the uptake of thermal retrofit measures in the domestic Irish market. A study of Ireland’s housing highlights the dominance of detached houses (43%), 72% of which are rurally located and are predominantly heated with fuel oil. This paper investigates the economic and carbon case for thermal retrofit measures to the existing detached, oil centrally heated, rural housing stock. The study found the case for energy efficiency measures to be …


Transient And Quasi-Steady Thermal Behaviour Of A Building Envelope Due To Retrofitted Cavity Wall And Ceiling Insulation, Aimee Byrne, Gerard Byrne, Anna Davies, Anthony Robinson Jan 2013

Transient And Quasi-Steady Thermal Behaviour Of A Building Envelope Due To Retrofitted Cavity Wall And Ceiling Insulation, Aimee Byrne, Gerard Byrne, Anna Davies, Anthony Robinson

Articles

Accurate understanding of the thermal behaviour of building components is essential for predicting heat-ing or cooling needs and facilitates the implementation of more successful energy saving strategies and retrofits. This paper focuses on a specific measure commonly introduced through the residential energy efficiency retrofit programmes in Ireland–insulation. Traditionally, assessments of the performance of building envelopes have been based on assumed thermal resistances of the materials involved, labora-tory tests and computer modelling. The aim of the present work is to investigate the in situ thermal behaviour of a case study building and its components under transient and quasi-steady environmental conditions, comparing …


An Investigation Into The Retrofitting Of Air Source Heat Pumps Into Fabric Improved, Detached, Oil Centrally Heated Dwellings In Rural Ireland, Ciara Ahern May 2010

An Investigation Into The Retrofitting Of Air Source Heat Pumps Into Fabric Improved, Detached, Oil Centrally Heated Dwellings In Rural Ireland, Ciara Ahern

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In Ireland the predominant house type is detached housing which constitutes 43 % of entire stock. 72% of the detached housing stock is rurally located and 68% is heated by fuel oil. 82% of houses in Ireland have a radiator heating system. Detached housing, due to larger size and high surface area to volume ratio, has a greater heat loss per m2 than all other house types of the same construction period. It follows that, if a heat pump can be successfully deployed in a house of this type it can be successfully deployed in almost all other house …