VIA logo red
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. 
Visit our Architecture page >
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.
Read more
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:
109

 m2

Heating Demand:
14.76

 kWh/(m2a)

Targeting:
Passive House Classic
Consulting

Betts Black House

Small compact hillside residence in Lower Hutt under construction.
Treated Floor Area:
114

 m2

Heating Demand:
20.1

 kWh/(m2a)

Airtightness:
0.73
 ACH
Certification:
Low Energy Building
Consulting

HCC Staff Facilities

The project is a small office building for Hutt City Council with low occupancy that increases for short periods during the day. It is used mainly by staff at Silverstream landfill facilities. This is the first PHI certified commercial and public sector building in Aotearoa NZ.
Treated Floor Area:
187

 m2

Heating Load:
8.4

 W/m2

Airtightness:
0.26
 ACH
Certification:
Passive House Classic
Consulting

McCarthy Residence

This bespoke Christchurch home is a happy conclusion to another earthquake horror story that involved years of delay in rebuilding. The result is a striking three-bedroom (plus office and large hobby room) home. The double-garage is attached but external to the thermal envelope.
Ready to take the next step?
CONTACT
+64 22 4169 499
[email protected]
PO Box 1707
Paraparaumu Beach 5252
New Zealand
Signup to our newsletter here
Privacy Policy

Only 0.17g of CO2 is produced every time someone visits this website's homepage

© 2024 VIA architecture
Green Website made by Wild Tree Digital
NZ Institure of Architects LogoCertified Passive House DesignerPassive House Institute Silver MemberiPHA_member_full
NZDBC LogoLifemark Accredited PartnerLicensed Building PractitionerArchipro Website Architect Category
crossmenuchevron-down linkedin facebook pinterest youtube rss twitter instagram facebook-blank rss-blank linkedin-blank pinterest youtube twitter instagram