Case Study: nZEC - Energy refurbishment of 18 dwellings in Rõõmu Street, Tartu, Estonia (UNDER MONITORING)
Source: http://www.powerhouseeurope.eu/nc/cases_resources/case_studies/single_view/?tx_phecasestudies_pi3%5Bid%5D=171&tx_phecasestudies_pi3%5Bdisplaytype%5D=gallery&cHash=