Building science that makes
buildings perform
Airtightness testing, energy modelling, hygrothermal analysis, thermal bridge calculation, and Passive House consultancy — for architects, engineers, developers, and contractors across New Zealand and Australia.
What we do
Technical building science services across testing, analysis, modelling, and certification — for the full project lifecycle from design through to handover.
Online calculators — no login required
Built on the same methodology we use in practice. Use them directly or contact us when your project needs more than a calculator can provide.
ATTMA accredited training and online courses
BEO Science delivers ATTMA ANZ accredited training for airtightness testers, alongside online courses in energy modelling, thermal bridge analysis, and Passive House. All courses are available online; in-person workshops run across NZ.
BEO Science is a building science consultancy operating across New Zealand and Australia. We provide technical analysis, modelling, testing, and certification services for the design and construction industry — with a focus on rigorous methodology, plain-language reporting, and advice that's available when design decisions are being made, not after they've been locked.
BEO holds ATTMA accreditation for both Level 1 and Level 2 airtightness testing, PHI accreditation for Passive House certification, and operates as a Registered Training Organisation for ATTMA ANZ accredited courses in NZ and Australia.