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PASSIVE HOUSE CLASSIC

Cambridge

26,306 KG

89%

Tim Ross from Architype met the challenge of a long narrow site and district plan setback requirements for this couple relocating to Cambridge who wanted a comfortable, energy-efficient house that would meet their needs as they aged. The layout, structure, services and aesthetics of the building tightly work together to create a simple yet extremely high performing building. Construction was with structurally insulated panels (SIP). A beautifully crafted and designed family home.

Meet the team Behind this project

eHaus Waikato

"We are proud to be leading the way in high performance design, architecture and construction in Waikato."

Learn more

Tim Ross

Tim is an award winning architect specialising in the design of high performance Passive House and low energy architecture. He has a wealth of experience in designing both private homes and multi-unit projects.

Design Components

Floor

Fully insulated concrete pad with a U-value of 0.232 W/(m²K)

Wall

Structural Insulated Panels with PUR (025) 90mm, with 20mm services cavity U-value = 0.304 W/(m²K)

Roof

Timber framed roof with 315mm of batts insulation (040 – 047) U-value = 0.15 W/(m²K)

Window Joinery Frame

Dopfner, Slim Double glazed spruce framed and aluminium shielded tilt and turn windows U w-value = 1.32 W/(m²K)

Glazing

Double Glazed Low E Argon Ug value 1.12 W/(m²K) G Value 58%

Ventilation

Zehnder Q350 MHRV

Hot Water

2 x Apricus ETC30 solar collectors on 20 degree frames connected to Peter Cocks 300L silver bullet tank

Heating/Cooling

Daikin FTXS46L (4.6kw cooling/5.4kw heating) high wall

Performance Specs

Heating Demand

14.7 kWh/(m²yr)

Heating Load

13.3 W/m²

Frequency of Overheating

Treated Floor Area

207.6m²

Form Factor

3.1

Air Leakage @ 50Pa

0.3 ACHn50

Per Demand

42 kWh/(m²yr)

Consultant: Architype NZ

Certifier: Sustainable Engineering - Jason Quinn

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Meet the team Behind this project

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Tim Ross

Design Components

Performance Specs

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