Sealing the house (part 3): The long awaited Blower Door Test

As mentioned in the previous posts, airtightness is a key factor in the passivhaus standard and the Chilean CEV Standard. This refers to the uncontrolled flow of air through unwanted “openings” (gaps) in the building envelope. This leakage has an important impact on the energy performance of the house. The concept used to measure airtightness… Continue reading Sealing the house (part 3): The long awaited Blower Door Test

Energy efficient windows – a necessary investment

To the untrained eye, one might only think of windows from an aesthetic point of view, but this aspect of a house is far more important than one may realise. Windows are one of the main points of energy loss in a traditional house, and they are also a source of condensation in winter due… Continue reading Energy efficient windows – a necessary investment