HOT WATER FAMILY HOME SAINT ARNAUD ZUBADAN 5 Located 90 kilometres southwest of Nelson, Saint Arnaud is an idyllic small alpine village where a couple was after an energy efficient whole home hot water and underfloor heating solution for their abode. UNDERFLOOR A CHALLENGING CLIMATE Being located in an alpine area prone to colder weather with winter temperatures below freezing, the house had to be planned with a focus on staying warm throughout the day and night regardless of the weather outside. With the all-important thermal envelope and airtightness of the build decided, the discussion moved to heat sources. The couple decided not to opt for a traditional fireplace that many other properties in the village have. They felt a fireplace would introduce unwelcomed air irritants and additional air changes into the airtight home because of the flue through the ceiling. This would contribute to heat loss which would have the opposite effect to the overall goal of having a warm, dry and comfortable home. 33
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