5 ba­sics of a pas­sive house

NZ Lifestyle Block - - SMART SERIES -

A pas­sive house like this one is su­per en­ergy-ef­fi­cient.

it uses only 5-10 per cent of the en­ergy re­quired to heat a stan­dard New Zealand house to a com­fort­able tem­per­a­ture. •

ba­sic fea­tures in­clude north­fac­ing win­dows, no shade from build­ings, hills or trees, and a com­pact, sim­ple lay­out. •

most ma­te­ri­als and con­struc­tion meth­ods are sim­i­lar to a stan­dard build. •

it uses an air bal­anced pres­sure ven­ti­la­tion sys­tem and heat ex­changer which takes warm, moist air out of the home, pulls fresh out­door air in, and ex­changes heat be­tween the two to keep the tem­per­a­ture sta­ble. •

it is adapt­able to suit the cli­mate; a pas­sive house in the Far North will have a dif­fer­ent con­struc­tion to one in In­ver­cargill.

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