New house receives an A-rating for Airtightness


A-rated Airtight House

Our recently completed timber frame house in Portrush has received an A-rating for air tightness following a series of energy performance and air tightness tests. Its high rating  puts this project in a very exclusive band of energy efficient homes within Northern Ireland. While the project never set out to be a passive house, its energy efficiency and air tightness are very close to achieving this standard.

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