Create and save your room layout first. Start payment when the project is ready for design calculations.

Can I prepare another project?

Yes. Each layout is a separate project. Create a new project whenever you want to prepare another installation.

Which features are currently available?

You can create room projects, pay for a selected project, automatically place vents, optimize airflow and route ventilation ducts.

Plan the HRV layout for your home

Vent placement, airflow calculations and suggested duct routes in one project.

Save time and money with AI-powered automatic heat recovery ventilation system design.

One-time payment for a specific project. No subscription.

See how it works

ventiar.com · Project preview

Real preview of a sample Ventiar project

HRV System Generated ✓

Room layout, vents and duct routes in one project.

Room layoutAirflowDuct routes

See a sample project

This is what your HRV project can look like

Explore examples of Ventiar in use. The video and editor screen show a different layout from the PDF report, which presents a synthetic three-room example.

Build your own layout without signing up. An account is only needed to save, calculate and pay.

Watch a short demo of Ventiar

How it works

Simple 3-step process

Design your rooms

Arrange rooms and define their parameters

AI generates design

Our AI automatically designs the HRV system

Download report

Get complete project in PDF and CSV formats

Room Layout

AI Processing

Complete Design

Why Ventiar?

Benefits of automatic design

Time saving

Design ready in minutes, not hours

Accurate calculations

Precise airflow calculations

Visualizations

Clear diagrams and schematics

Ready-to-share reports

Professional documents ready for presentation

Professional Results in Minutes

Automatic air outlet placement

Precise airflow calculations

Professional PDF reports

PDF and CSV exports

ventiar.com · Project results

Sample PDF: a synthetic three-room layout. Results require review before installation.

Who is Ventiar for?

One workspace for homeowners, installers and teams preparing multiple projects.

Homeowners

Prepare an organized home layout before speaking with an installer and understand the planned system.

Installers

Collect project data faster, prepare variants and share clear results with your customer.

Companies

Use a repeatable workflow and keep your ventilation projects in one place.

Simple project-based pricing

Create your project first and pay only for the layout you want to process.

Single project

For anyone preparing an HRV design for one room layout.

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per project

1 HRV project design
Automatic vent placement
Airflow optimization and duct routing
Access to project results and exports

PRO

For installers and companies preparing multiple heat-recovery ventilation projects.

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one-time payment

Up to 10 HRV projects
20 recalculations per project
All features of the single-project package
No subscription or automatic renewal

Create the project before payment. Payment unlocks design features for that specific layout.

Ventiar knowledge base

Learn how to plan ventilation

Practical guidance for homeowners, installers and anyone preparing a heat recovery ventilation project.

View all articles

From the blog

Planning your build

Heat recovery ventilation: when should you plan it during a house build?

When should you plan HRV? Find out what to agree before floor screeds and ceilings, follow the build-stage checklist and prepare your layout for an installer.

Read article

Useful pages

Online HRV designSee what a room layout, airflow calculations and duct routes include.

HRV airflow calculatorPrepare the room data needed before you calculate airflow.

For ventilation installersOrganize repeatable projects for customers and your own installations.

Frequently Asked Questions

Payment unlocks automatic vent placement, airflow optimization, and duct routing for the selected room layout.

Have more questions?