%0 Journal Article %T Passive building – verification of achieved effects %A Ickiewicz, Irena %A Kowalczuk, Ewelina %J Czasopismo Techniczne %V 2015 %N Budownictwo Zeszyt 4-B (28) 2015 %P 99-105 %K passive building, project guidelines, verification, envelope tightness %@ 0011-4561 %D 2016 %U https://ejournals.eu/czasopismo/czasopismo-techniczne/artykul/passive-building-verification-of-achieved-effects %X The article presents a passive building to be used for office purposes that is under construction in Podlaskie region. The building has been designed to meet the characteristics of a passive building – i.e. compact shape, mechanical ventilation with heat recovery, ground heat exchanger, tight external partitions with an indicator U < 0.15 W/(m2∙K), heat pump, solar collectors. Calculation indicator of useable energy demand for heating purposes is