airtightness
noun see airtight

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • airtightness — noun The quality of being airtight …   Wiktionary

  • airtightness — n. quality of being impervious to air …   English contemporary dictionary

  • airtightness — air·tight·ness …   English syllables

  • airtightness — noun see airtight …   Useful english dictionary

  • Blower door — A blower door is a diagnostic tool designed to measure the airtightness of buildings. and to help locate air leakage sites. A blower door consists of a calibrated fan for measuring an airflow rate, and a pressure sensing device to measure the air …   Wikipedia

  • Duct leakage testing — A duct leakage tester is a diagnostic tool designed to measure the airtightness of forced air heating, ventilating and air conditioning (HVAC) ductwork. A duct leakage tester consists of a calibrated fan for measuring an air flow rate and a… …   Wikipedia

  • Pennyland project — The Pennyland project was a scientifically controlled experiment on an estate of 177 houses in the Pennyland district of Milton Keynes, Buckinghamshire, United Kingdom, to compare UK and Danish building energy efficiency standards. Although… …   Wikipedia

  • Thermal insulation — The term thermal insulation can refer to materials used to reduce the rate of heat transfer, or the methods and processes used to reduce heat transfer.Heat energy can be transferred by conduction, convection, radiation or when undergoing a phase… …   Wikipedia

  • Passive house — The term passive house ( Passivhaus in German) refers to the rigorous, voluntary, Passivhaus standard for energy use in buildings. It results in ultra low energy buildings that require little energy for space heating or cooling. [… …   Wikipedia

  • Energy efficiency in British housing — Domestic housing in the United Kingdom presents one of the major opportunities for achieving the 20% overall cut in UK carbon dioxide emissions targeted by the Government for 2010.Carbon emissionsAlthough carbon emissions from housing have… …   Wikipedia

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