Jonas Construction vs STACK Construction Technologies: Complete Comparison 2026
An in-depth comparison of features, pricing, and user experience to help you make the right choice.

Jonas Construction
Construction ERP built for specialty contractors in HVAC, plumbing, electrical, and mechanical trades.

STACK Construction Technologies
8.0(480 reviews)
Cloud-based construction takeoff and estimating platform that eliminates paper plans. Free tier available for basic measurements.
Quick Comparison
| Aspect | Jonas Construction | STACK Construction Technologies |
|---|---|---|
| Best For | HVAC contractors managing both installation and service divisions | Estimators and pre-construction teams doing 20+ bids per month |
| Pricing Model | Contact Sales | Freemium |
| Starting Price | Contact Sales | Free |
| Deployment | cloud, on premise | cloud |
| Platforms | WEB, WINDOWS | WEB |
| Rating | 7.0/10 | 8.0/10 |
Pros & Cons
Jonas Construction
Pros
- Purpose-built for specialty trades — HVAC, plumbing, electrical, and fire protection
- Handles both construction projects and service/maintenance contracts in one system
- Flat-rate pricing integration streamlines residential service billing
- Strong job costing with AIA billing and certified payroll support
- Backed by Constellation Software — stable, well-funded parent company
Cons
- Interface looks and feels outdated — legacy Windows client still heavily used
- Implementation takes 6-12 months and requires Jonas consulting engagement
- Mobile capabilities are basic compared to modern field-first platforms
- Pricing is opaque — expect $500-$2,000+/month depending on modules and users
- Limited documentation forces heavy reliance on support and consultants
- Reporting requires training to build custom reports effectively
STACK Construction Technologies
Pros
- Genuinely useful free tier for basic takeoff—not a stripped-down demo
- Browser-based with zero installation means any device with Chrome works
- Assembly library accelerates measurement of complex construction elements
- Takeoff-to-estimate workflow eliminates manual quantity transfer
- Plan overlay and comparison tools catch design changes between revisions
Cons
- Pre-construction only—no project management after you win the bid
- Annual pricing at $2,499-$4,999/yr is steep for occasional estimators
- No native integrations with popular construction PM platforms
- Assembly customization has a learning curve for first-time users
Pricing Comparison
| Product | Pricing Model | Starting Price |
|---|---|---|
| Jonas Construction | contact sales | Contact Sales |
| STACK Construction Technologies | freemium | Free0 |
Our Verdict
Choose Jonas Construction if...
HVAC contractors managing both installation and service divisions
Choose STACK Construction Technologies if...
Estimators and pre-construction teams doing 20+ bids per month
Still Not Sure?
Explore more alternatives or read in-depth reviews to make your decision.