• Passive House in Christchurch

    Harley Builders are currently working on a certified Passive House in Christchurch. The Blower

    Door test was successful and the result was:  0.35 airchanges/hour. To get the certification of a

    Passive House, we usually need 0.60 airchanges/per hour. That is …

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  • Welcome to our current projects

    Our team will update you with interesting projects around the country. From energy efficient homes to passive house, we will take pictures and explain you the process. Hope you enjoy our work and if you have got further questions, please …

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