TY JOUR TI COMPARATIVE ECONOMIC ASSESSMENT OF THE ENERGY SAVING PROJECTS "DETACHED HOUSE" KW low-energy house KW passive house KW demand for primary energy KW thermal protection of buildings KW energy assessment KW economic evaluation KW annual cost of heating KW cost of building a house KW operating costs JO Vestnik of Astrakhan State Technical University. Series: Economics AU Petrášková, B.. AU Antoš, K.. PY 2012 IS 2012 PB Astrakhan State Technical University