green construction You are hereYou are here: Home / green construction OptimaHouse – The first known mass-produced energy-saving house in UkraineAugust 28, 2017 - 2:59amOptimaHouse was the result of a team of forward thinking organizations looking to create a modern, energy-saving house based on European design/build concepts. Tags: optimahouseukraineeuropeactive housegreen buildinggreen constructioninsulationicyneneenergy Pages1 2 next › last »