Your all-in-one sustainable design platform

Built for engineers and architects to deliver building code compliance, and beyond.

Automated post-processing and reporting
Super fast thermal, daylight, moisture & carbon sims
Project management, all in one place
Cloud-based access for your whole team
Speckel is now Better Building ...

Trusted by the world's leading building designers.... more

“Better Building's streamlined approach to building design removes admin burden, creating a workload that allow more time to focus on the design"

Jasper Riikonen
WalkerBai Consulting

“Better Building's has enhanced our productivity in the building design process allowing for rapid iteration and testing of design options, quickly”

Ian Van Eerden
Northrop Consulting
Building Simulation Conference 2025 - 24-27 August 2025 - Brisbane, AU -  
Removing the 'busy work' of compliance

Create Better Building, all in your browser!

Our platform brings together energy, daylight, moisture, and carbon analysis in one intuitive, cost-effective tool, built to support design thinking, not hinder it. With flexible plans, collaborative workflows, strong data security, and expert support on standby, Better Building turns compliance into a catalyst for smarter, more sustainable design.

Verified & Tested

One platform for energy, daylight, moisture & carbon

Powered by EnergyPlus & Radiance, with automated postprocessing, you get your results fast.

Flows

Set goals, track timelines, assign tasks, store documents, and keep your project on course.

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Energy

Powered by EnergyPlus, simulate thermal, emissions, and thermal comfort for buildings of any size.

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Daylight

Run Daylight Factor and climate-based daylight simulations for code compliance and sustainability assessments.

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Moisture

Quickly run moisture assessments using DA07, ASHRAE 160, or ISO 13788, all in minutes.

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Carbon

Assess upfront and operational carbon using built-in product databases and EPDs.

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Advanced HVAC

From basic loads to detailed HVAC modelling, everything you need in one place.

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All in one

Compare Better Building with IESVE and Design Builder

All great platforms, but they do fundementally different things.

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Integrated Project Management

Every projects starts with a Flow

Set goals, track timelines, assign responsibilities, store documents, and stay effortlessly organised, right where your modelling happens.

Project goals

Set clear objectives to guide your team’s work and measure success.

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Timelines

Define project schedules, deadlines, and key milestones to stay on track.

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Roles

Assign responsibilities to team members to ensure accountability and clarity.

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Tracker

Monitor progress, manage tasks, and keep the team aligned throughout the project.

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Reviews

Collect feedback, review work completed, and maintain project quality.

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Reports

Generate insights and summaries to evaluate project performance and outcomes.

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Included in all paid Plans

Support that won't let you down

From up-to-date documentation and on-demand courses to personalised project guidance, testing and verification, support tickets, and a comprehensive FAQ, whatever you need, we’ve got you covered.

AI Driven Docs

Our documentation is a dynamic knowledge base to support your work.

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Support Tickets

Need help or have suggestions? Open a support ticket, we respond within 24 hours.

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On-demand Courses

Learn at your pace with flexible modules for new and experienced users.

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Project Support & Consulting

Short on time or resources? We deliver models directly into your account.

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Testing & Verfification

We continually test and improve our simulations.

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FAQ's

Our FAQ page, updated biweekly, answers a wide range of questions.

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For small and big teams

Ready to build better?

Get started with  Better Building using a basic feature set tailored to small buildings (up to 350 m²). Just sign up, and we’ll get you up and running! Go annual, and you get the first 2 months for free.

Monthly
Yearly
Lite

Entry-level modelling and admin capabilities, suitable for small projects (up to 350 m²) .

$49
/ Month
Get Started
Features:
1 Users
Limited thermal bridging, dew point & upfront carbon simulations
Limitied energy & daylight compliance sims
Model < 350 m²
Platform Support - 5 days Response
Limited On-Demand Courses
No Project Management
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Classic

Adds advanced modelling (up to 1000 m²), basic team collaboration, & report/study credits.

$119
/ Month
Get Started
Added Features:
3 Users
Unlimited thermal bridging, dew point, upfront carbon & moisture
Unlimited energy, comfort, daylight & carbon sims
Model < 1000 m²
Platform Support - 3 days Response
Limitied On-Demand Courses
Limited Project Management
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Plus

Ideal for mid-size teams, larger simulations (up to 15,000 m²), and project management features.

$299
/ Month
Try now. It's free!
Added Features:
5 Users
Unlimited thermal bridging, dew point, upfront carbon & moisture
Unlimited design day & airflow sims
Model < 15,000 m²
Platform Support - 1 day Response
Limitied On-Demand Courses
Limited Project Management
Read More
Premium

Full suite access, enterprise-level modelling, unlimited admin tools, multi-region support.

$499
/ Month
Send Message
Added Features:
8 Users
Unlimited thermal bridging, dew point, upfront carbon & moisture
Unlimited design day & airflow sims
Model < 100,000
Platform Support - 1 days Response & Workshops
Unlimited On-Demand Courses
Full Project Management
Read More
Let's get you going

14-day trial. It's free!

Every new user has the opportunity to kick off with a quick, 20-minute demo and a free 14-day trial, book it whenever works for you.

Book a Demo

Book a Demo

Or

Grab a 14-day Trial

Grab a 14-day trial