Sentences with phrase «source of air leakage»

That's because in Passive House design, every jog and bump adds surface area and can be a thermal bridge or a source of air leakage, so Passive House buildings want to be boxy.

Not exact matches

Alkane hydrocarbons (propane, isobutane, and n - butane) from liquefied petroleum gas (LPG) are present in major quantities throughout Mexico City air because of leakage of the unburned gas from numerous urban sources.

Moisture movement by air leakage (the exfiltration of interior moisture - laden air during heating periods and the infiltration of exterior moisture - laden air during cooling periods) is controlled by limiting air leakage openings, controlling the interior levels of moisture during heating periods by utilizing controlled ventilation (dilution by air change) combined with source control (direct venting of clothes dryers as well as the use of subgrade vapor retarders under concrete floor slabs and bath and kitchen exhaust systems), controlling the interior levels of moisture during cooling periods by utilizing the dehumidification capabilities of mechanical cooling systems, and limiting controlled ventilation to minimum values established by indoor air quality concerns.

The greatest source of HFCs, and the greatest source of any high global warming potential gas, is leakage from refrigeration and air conditioning equipment.