The faster way to design and report National Construction Code building performance.

Enabling engineers, energy assessors and architects to rapidly simulate building performance against National Construction Code energy efficiency requirements
Next Webinar - Speckel Testing and Verification I Tue, Aug 10, 2021, 12:30 PM

Get Going in Seconds

Specify National Construction Code building designs in seconds.

Combining a comprehensive product library and super cool apps means you can now simulate and test anything from building fabric to indoor comfort—all in one platform.

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Navigate I Design I Specify

Speckel, a unified, specification platform.

For novices and experts alike
An easy to use, specification platform for architects, engineers, builders and fabricators.
Better than a spreadsheet
Awesome web apps that enhance your workflow and do the heavy lifting.
Built to collaborate
Built to collaborate, so you can work toward common goals.
Navigate the building code
Our unique Guide allows rapid navigation of building envelope design, from code to construction.
Specify verified products
With verified product data from trusted suppliers, Speckel has 1000's of products to specify.
Create better buildings
Design sustainable, durable and climate appropriate building envelope solutions today!

National Construction Code

Keep up with the National Construction Code.

The National Construction Code is an ever evolving guideline for minimum performance, with lots of energy efficiency codes and standards to meet.

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

- NCC Section J (J1.3, J 1.5, J1.6 and JV3)
- Total R-values (AS/NZ 4859.2)
- Thermal Bridging (NZS 4214/ISO 6946)
- Condensation (ISO 13788)
- Thermal Comfort (PMV)
- Glazing (ISO 15099)

Free I Comprehensive I Growing

Learning resources, available 24/7.

From local code and building envelope design, to webinars and tutorials. We have you covered.
glazing I framing I insulation I membranes I cladding I mass timber

You'll be in good company.

Use accurate specification data in your designs. Trusted suppliers partner with Speckel and host 1800+ products on our platform.

Add your products

Cloud Based Platform

Why Speckel?

Online, 27/7
We are online and constantly updated. So no downloads or hardware upgrades, ever.
Flexible licencing
Flexible licencing, for the entire team. Pay monthly, cancel anytime. Or get discounts for annual commitments.
Tested and verified
Our code is quality tested everyday and verified in ASHRAE/ASNI 140 for a full scale energy simulations.
Speedy sims
Our sims are super fast, so you can spend time on what improves your design.
Active support
Don't fall into a rabbit hole, ask a question. We provide active support, directly on the platform.
For those looking to get trained by Speckel, our workshops are ideal to get you going.

Our Subscription Promise

Have you Declared?

Our planet is in a Climate & Biodiversity Emergency.
This twin crises is the most serious issue of our time, with buildings and construction playing a major part.

To support this movement, Speckel provide discounts for all architectural and engineering signatories, to encourage greater adoption of its principles.

We also plant trees every month for each and every user that has subscribed to a Practice level.

Questions I Support I Help

Learn more, book a FREE demo.

  • Looking for support? Got some questions and need some quick answers? Just simply want to know more? Book a session.

    A session can last for up to 20 minutes and is the best way to get help. Simply select a time slot and duration that works for you and lock it in!
    book a FREE Demo