Basix | NatHERS | Section J | Blower Door

We provide the following services;

  • NatHERS Assessment | ABSA accredited assessor
  • BASIX Certificates, New Dwellings | Alterations & Additions | Secondary Dwellings
  • Section J Reports | DtS or JV3
  • Condensation Management Advice | Consulting
  • Blower Door Testing | Air Leakage | Thermal Imaging


Builders | Building Consultants | Energy Raters | Trainers

We specialise in making homes more comfortable, whether we are building them, advising on alterations, carrying out planning reports such as natHERS, BASIX or Section J or testing them post construction.

Main point of contact is Brad Hoad, who has 28 years of experience in building energy efficient homes that provide a level of comfort and lifestyle that you deserve.

If you think we can assist you on your project or have any questions please contact us on the email link or phone number below.

Some of our Customers


Permeable Building Wrap, NCC 2019, Condensation Management

Are you a house builder or energy rater? BCA 2019 Volume Two (Class 1 houses), Clause requires that if a pliable building membrane is installed (building wall wrap) it must be a vapour permeable membrane for Climate Zones 6, 7 & 8. In Sydney imagine a line from Berowra, Hornsby, Castle Hill, Parramatta, Milperra, …