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Your tools. Your workflow.

Choose a single design tool or bring all four together.

Paid subscriptions are opening soon. Explore the tools today with our free, account-free demos.

Tier 1

Single tool

Load calculation

Room-by-room heating and cooling loads, envelope inputs and engineering reports.

CA$79/ month

Billed monthly

  • Complete tool workflow
  • Save and reopen projects
  • Results and reports included
Try this tool’s demo

Air duct design

Supply and return duct sizing, friction-rate design and floor-plan layouts.

CA$59/ month

Billed monthly

  • Complete tool workflow
  • Save and reopen projects
  • Results and reports included
Try this tool’s demo

Ventilation design

Whole-house capacity, room airflow, bathroom exhaust and kitchen exhaust.

CA$39/ month

Billed monthly

  • Complete tool workflow
  • Save and reopen projects
  • Results and reports included
Try this tool’s demo

Net-zero analysis

Energy, emissions and utility-cost pathways, with life-cycle cost analysis.

CA$39/ month

Billed monthly

  • Complete tool workflow
  • Save and reopen projects
  • Results and reports included
Try this tool’s demo
Tier 2 · Complete suite

All four tools.
One subscription.

Connect your residential heating & cooling load to other tools to size air ducts, design ventilation and explore your net-zero pathway.

  • Load calculation
  • Air duct design
  • Ventilation design
  • Net-zero analysis & LCCA
CA$89/ month

Billed monthly

CA$127 less per month than four individual monthly plans.

Explore all demos

A clear choice for every project

What is included in a single-tool plan?

Full access to the selected tool’s inputs, calculations, results, reports and saved projects. The remaining tools are available as input-only demos.

What does the all-tools bundle include?

The four tools listed above: Load calculation, Air duct design, Ventilation design, and Net-zero analysis including LCCA.

Can I explore before subscribing?

Yes. Our public demos let you explore inputs without creating an account. Results, final sizing and reporting are restricted in demo mode.

How will payments work?

Once subscriptions launch, you’ll sign in to your EnerXCo account and use a secure, Stripe-hosted checkout page. Payment card details will be handled by Stripe.

Will future tools be included?

This bundle covers the four tools listed here. Future tools and plans will have their inclusions and prices stated separately.

Subscription & refund terms · Billing privacy