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Planning or developing a Passive House or high-performance building and need specialist input? We specialise in Passive House, high-performance and low-carbon consulting.
If you’re looking for an architect to design your Passive House or high-performance building, we can also do that. 
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Consulting Services
We offer a range of consulting services including full Passive House design, thermal bridge modelling, energy efficiency and embodied carbon modelling and guidance, and sustainable design advice.
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Stage 1 - Initial
Review – initial review & comment on the site, brief and initial concept design
Guide – provide passive house guidance and support to the architect/designer
Stage 2 - Preliminary
Review – review & comment on the current design
Model – initial modelling using designPH & PHPP software
Guide – provide specification
requirements for the thermal & airtight envelope (incl windows & doors) & the ventilation system
Iterate – repeat the above if necessary – initial modelling using designPH & PHPP software
Stage 3 - Detailed
Review – review & comment on the current design, specification & construction detailing
Model – detailed modelling using designPH & PHPP software. And thermal bridge modelling for heat loss & condensation risk using Flixo software
Guide – passive house product and component selection, liaise with specialist suppliers
Submit – collate & submit pre-construction information to the passive house building certifier
Stage 4 - Procurement
Tender – obtain tender prices from one or multiple builders
Contract – contract documents, insurances etc.
Stage 5 - Construction
Observation – site visits at key stages to observe adherence to PH requirements
Support – answer contractor PH queries, check & vet any variations
Model – update modelling for variations, site testing & commissioning results
Testing – blower door tests at close-in & practical completion
Submit – collate & submit construction information to the certifier
All Stages
Carbon – embodied and whole of life carbon modelling and guidance

Sustainability - low-impact materials, off-grid and net-zero energy, water conservation etc
Download Process Document
Treated Floor Area:
137

 m2

Heating Demand:
11.9

 kWh/(m2a)

Heating Load:
9.4

 W/m2

Airtightness:
0.22
 ACH
Certification:
Passive House Classic
Consulting

Finch Residence

A compact and modest low-carbon Passive House in Waikuku, Canterbury. Construction management by Finbo Construction Project Management, built by Ethos Homes. Completed May 2023.
Photo: Dunlop Builders
Treated Floor Area:
147

 m2

Heating Demand:
13.8

 kWh/(m2a)

Heating Load:
11.5

 W/m2

Airtightness:
0.38
 ACH
Certification:
Passive House Plus
Consulting

Dunlop Hub

An ambitious Passive House office building constructed by Dunlop Builders as their headquarters to embody their company values. It is a stunning building designed by Pac Studio showcasing elegant architecture, beautiful timber craftwork, and excellent environmental credentials. Not only is it the first commercial office building in Aotearoa NZ to be certified to the Passive House standard, but it also achieved Passive House Plus certification. Completed May 2023. For more details see: https://www.dunlopbuilders.co.nz/insights/the-dunlop-hub/
Treated Floor Area:
106

 m2

Heating Demand:
13.2

 kWh/(m2a)

Heating Load:
11.8

 W/m2

Targeting:
Passive House Plus
Consulting

Hokowhitu Passivhaus

A compact Passive House in suburban Palmerston North designed by E3Architects. Smart efficient design combined with the mild climate and good orientation has allowed the design to meet Passive House Plus requirements with standard 90mm timber wall framing, with the addition of a 50mm insulated service cavity. Construction due to start spring 2023.
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Ready to take the next step?
CONTACT
+64 22 4169 499
[email protected]
PO Box 1707
Paraparaumu Beach 5252
New Zealand
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