ArchOptTechnologies
EnergyFront Licenses

Get EnergyFrontFrom building inputs to a simulation-ready EnergyPlus model

EnergyFront V3.5 is the current edition. It requires a license key, available monthly or annually. All prices are in USD, and each license activates on one machine.

Full edition · License required

EnergyFront V3.5 CURRENT

Choose monthly or annual. After payment, your license key is emailed to you, normally within 24 hours.

EnergyFront V3.5 overview

Advanced simulation, control and AI.

What EnergyFront V3.5 offers

Detailed geometry, run-time control through the EnergyPlus API, and AI-assisted scripting, on top of the full model-building workflow.

Floor by floorEach level can have its own plan, floor count and space types, with a plan editor for every level.
Windows, wall by wallPlace windows on each individual wall and see them on the wall before the IDF is generated.
Advanced HVAC controlOperative temperature thermostat control, overcooling to dehumidify, heat recovery and free-cooling options.
Control logic every time stepPython control scripts run through the EnergyPlus API and change setpoints, schedules or actuators during the simulation.
Every decision loggedEach control action is written to a log file, so the behaviour can be checked hour by hour.
Read, decide, actTest IoT and smart-building strategies such as adaptive EN 16798-1 setpoints or pre-cooling before occupancy.
AI-assisted scriptsDescribe the control or analysis in plain words, let an AI assistant write the script, then check and run it.
Your own analysisCustom result scripts for your own objectives, such as occupied hours above a comfort limit by month and zone.
Help written for engineersEvery page explains its inputs and how each result is calculated.
Please tick the box to accept the Licence Agreement before you continue to checkout.
V3.5 · Monthly
$50/month
billed monthly, cancel any time
Full EnergyFront V3.5 application
1 machine activation
Updates and email support while subscribed
Buy V3.5 Monthly

Secure checkout · license key by email

Best value
V3.5 · Annual
$500/year
one payment for 12 months
Compared with monthly$100 less per year (about $41.70/month)
Full EnergyFront V3.5 application
1 machine activation
Updates and email support for 12 months
Buy V3.5 Annual

Secure checkout · license key by email

1Download V3.5Install EnergyFront V3.5 on the computer you will use.
2Buy a licensePay monthly or annually through secure checkout.
3ActivateEnter the license key you receive by email.
⬇ Download EnergyFront V3.5 installer Windows 10 / 11. A license key is required to activate V3.5. By downloading, you agree to the Licence Agreement, which includes the tested scope and known limitations set out in the EnergyFront Validation and Testing Report (Section 9.5).

EnergyFront V3.5 at a glance

FeatureEnergyFront V3.5
Price$50 / month or $500 / year
License keyRequired (1 machine)
GeometryRectangle or drawn outline, floor-by-floor plans and space types
WindowsPer facade or wall by wall, previewed on the wall
HVAC controlIdeal loads and HVAC templates, operative temperature control, dehumidification
Run-time control (EnergyPlus API)Python control scripts every time step, with a decision log
AI-assisted scriptingControl and analysis scripts written from a plain-language description
Custom result analysisYour own result scripts and charts
Updates and email support✓
IDF ready for EPCalibration and PareVia✓
Common questions
Keys are emailed after payment is confirmed, normally within 24 hours. Use the same email address you entered at checkout.
Each license is bound to a single machine. If you change computers, contact us and we will reset your license. For several machines, ask us for a multi-seat quotation.
No. All sales are final and fees are not refunded, except where the law requires it (see the Refund Policy). Please confirm that the program runs on your computer before buying: download the installer and check that it starts before you buy. See the Refund Policy.