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Performance Related Specification Reference Table

Passive House PHI Low Energy Building Healthy Home Minimum NZBC Minimum
Floor R6.8
190+90mm counter insulated floor framing
R4.6
210mm between floor framing
R3.8
190mm batt between floor framing
Max. R1-1.3
50mm batt between floor framing
Wall R4.5
140+45mm counter insulated wall framing
R3.4
90+45mm counter insulated wall framing
R5
140mm insulated wall framing
R2
90mm insulated framing
Roof R7.5
210+90mm counter insulated roof framing
R5.2
210mm insulated roof framing
R5
210mm insulated roof framing
R5
210mm batt between/rafter
Windows Ave. R1.2
Triple low-e glazing on timber alu composite frame
Ave. R1.1
Triple low-e glazing on timber alu composite frame
Ave. R0.5
Double low-e Xcel glazing on recessed thermally broken frame
Ave. R0.26
Standard double glazing on aluminium frame
Airtightness 0.5 ACH under blower door test (air/vapour control layer) 1 ACH under blower door test (air/vapour control layer) 4 ACH under blower door test (no air/vapour control layer) Approx. 6 ACH under blower door test
Ventilation Up to 95% heat recovery Up to 72% heat recovery Up to 72% heat recovery Opening window only
Creditable, trust and relationships matter.

We do our utmost to insure a smooth and fair transaction for all parties.

Our contracts are balanced and payment terms-based on procurement of materials, technical reports and work completed.

We are not just renders, concepts and ideas on paper, but solid tangible products that have been delivered to our very happy clients. As of September 2023 we have just started work on our 14th build.

Don't just take our word for it, see some of their comments below and learn more about each project at - Árbol In The Wild.

" Had such a wonderful first night in the house last night. We're totally stoked. Such a beautiful dwelling. Thanks for such an amazing product, you guys should be very proud! "

Grant Norbury
Beech, Alexandra - 2023

" Couldn’t ask for a more amazing team to be building our home ❤️ "

Holly Tatom-Cross
Rātā, Gibbston Valley - 2023

" We are so happy with our one. The guys are so wonderful to work with in fact sometimes I miss them. "

Gemma McDonnell
Rātā, Lake Hawea - 2022

" It feels very special to us!

The loft is a favorite spot for the kids visiting. It's like an indoor treee house where all the magic happens! :) "

Esther Song
Rātā, Martinborough - 2022

" The cabin is looking fantastic, great job. "

Elisa Chan
Rātā, Glenorchy - 2023