Draw ventilation plans
like a pro.
Professional ventilation drawings in minutes — with automatic airflow calculations, bill of materials and PDF export. Built for HVAC installers in Scandinavia.
Used by installers at
The problem
Most installers choose between fast or professional
It shouldn't have to be a choice.
- Quick to make
- Unprofessional impression
- Can't be used for building permits
- Hard to share with team
- Professional result
- Requires steep learning curve
- Expensive licenses
- Not built for HVAC
- Professional drawings in minutes
- No licenses — pay per project
- Built specifically for FTX and ventilation
Features
Everything you need for professional ventilation documentation
Draw complex installations in minutes
An intuitive canvas built for ventilation systems. Choose from hundreds of standardised components, connect the duct system and see the layout take shape in real-time.
- Drag-and-drop components
- Snap-to-grid and auto-alignment
- Multi-floor support
Accurate calculations without the errors
Ventlo automatically calculates airflows, duct areas and pressure drops based on your system. You set the requirements — Ventlo ensures the system meets them.
- Automatic real-time flow calculation
- Deviation flagging against OVK requirements
- Exportable airflow diagram
Complete BOM — click and order
Ventlo automatically generates a complete bill of materials from your drawing. Export as Excel or PDF, or send directly to your supplier.
- Automatic component counting
- Linked to supplier prices
- Export to Excel and PDF
For installers
Build a stronger business with the right tools
Save 3+ hours per project
Installers using Ventlo report halving their documentation time. More time for installation, less for paperwork.
Impress clients and contractors
Professional drawings and documentation build trust. Win more bids with a polished overall impression.
Correct for building permit applications
Ventlo's export format meets the requirements most municipalities set for ventilation drawings in permit applications.
Works wherever you are
Web-based with no installation. Open on laptop, tablet or on the building site — everything saves automatically to the cloud.
“We built Ventlo because we were tired of wasting hours on documentation that should take minutes.”
Pontus Nilsson — Founder, Ventlo
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