Energy, life cycle, daylight and moisture.

The fastest modelling workflows for AU / NZ building code compliance.

Speckel MeshSpeckel NJMSpeckel Arcadis
Increase your team productivity by 70%.

For simple and complex buildings.

We enable engineers, architects and building designers to meet and go beyond AU / NZ building code requirements in commercial and residential buildings via dedicated modelling workflows.

- H1 Energy Efficiency
- G7 Natural Light
- Section J1.5 (DTS)
- Section J JV3
- Condensation Management (Part 3.8.7 / Part F6)
- Up Front and Whole Building Life Cycle
- BESS, Green Star and other rating tool

Through automation and an in-depth understanding of AU / NZ building code, our workflows will increase your productivity 20 fold, so you can focus on the outcomes beyond compliance.

Speed, reliability and support.

Why Speckel.

Our workflows are provided by environmental design apps, tested and verified against AU / NZ building code requirements.

From Free To Flexible

Flexible licensing, free or from $1 a day per person. Cancel anytime. More.

Fast and verified sims

Superfast EnergyPlus and Radiance sims, so more results in less time.

All in your browser

Online, so no downloads, hardware upgrades or spreadsheets.

Building code compliant

Secure and verified against ASHRAE 140, to meet building code requirements. More.

Verified supplier data

Verified product data from trusted suppliers, so no more hunting for tested data.

Tutorials and workshops

Instant platform support, tutorials, guidance and workshops are just clicks away.

2000+ users

12,000+ designs

3300+ projects

2,500+ products

Energy modelling. From concept to construction!

Powered by EnergyPlus, simulate energy, emissions, and thermal comfort modelling for AU / NZ building code compliance, LEED, Green Star and more.

Speckel Radiance

Daylight design. Made easy!

Powered by Radiance, our daylight workflows are zippy. Daylight Factor and Climate-based Daylight Modelling simulations for AU / NZ building code compliance, SEPP 65, LEED, Green Star, BESS and more.

Moisture Modelling. Go beyond the dew point!

Powered by EnergyPlus, simulate moisture assessments against DA07/ASHRAE 160 requirements for AU / NZ building code compliance.

Tested and verified.

Building codes and standards.

Speckel embeds all relevant energy efficiency codes and standards, so you can meet compliance requirements quicker than ever.


Design whole buildings in the browser against NCC Section J and H1 - Energy Efficiency.


Undertake wall Total R-value (AS/NZ 4859.2/ NZ 4214), thermal bridging (NZS 4214/ISO 6946) and moisture assessments (ISO 13788 / DA07).


Undertake floor and subfloor Total R-value (AS/NZ 4859.2/ NZ 4214) and thermal bridging (NZS 4214/ISO 6946) assessments.


Undertake cold and warm roof Total R-value (AS/NZ 4859.2/ NZ 4214) and thermal bridging (NZS 4214/ISO 6946) assessments.


Undertake ISO 15099 total U-value assessments for glazing (AU only).

Tested + verified products.

You'll be in good company.

We work with building envelope product suppliers to review testing data and make it available across the platform.

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Free 28-day trial.

Get started today.

Annual Billing
Monthly Billing
Save 20% with annual plans.


  • 1 seat
  • Thermal bridging
  • Lifecycle
  • Building code
For individuals, after the basics. More.
Get Started


AU$79 /month
  • 3 seats
  • Energy modelling
  • Daylight modelling
  • Reporting
Access to all our apps, with some limitations. More.
Get Started


AU$159 /month
  • 8 seats
  • Energy modelling
  • Daylight modelling
  • Reporting
Full access to all our apps.
Get Started
Super Premium


  • Unlimited seats
  • Super security
  • Training
  • Analytics
Full access for the entire business. More.
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