OpenSolar vs Solo
Which tool is better for your solar installation business? Compare pricing, features, and verified reviews side-by-side.
OpenSolar is the Gold Standard for Stage 1-2 installers who prioritize powerful 3d design and mapping.
Solo is the superior choice for Stage 2-3 teams needing on-demand cad design services.
How this impacts your Design margin
Moving between OpenSolar and Solo requires a recalibration of shading accuracy tolerances and proposal design standards.
OpenSolar
Key Features
- Powerful 3D design and mapping
- Built-in CRM for lead management
- Financial and ROI modeling
- Interactive digital sales proposals
- Hardware marketplace integration
- Field-ready mobile access
Pros
- Completely free to use for installers
- Full end-to-end sales and project flow
- Strong financial modeling capabilities
Cons
- UI can be overwhelming with many features
- Support is largely community and documentation driven
- Strong reliance on hardware partner integrations
Solo
Key Features
- On-demand CAD design services
- Integrated sales proposals
- Dynamic contract generation
- Solar financing integration
- Project milestone tracking
- Lead and document management
Pros
- Minimal training required for sales reps
- Fast turnaround on professional engineering designs
- Unified sales flow from lead to contract
Cons
- Heavy reliance on Solo's design team output
- Higher cost per lead than pure DIY design software
- Limited flexibility for manual engineering adjustments
The Verdict: Who Wins?
Choose OpenSolar if...
You prioritize Completely free to use for installers and independent installers looking for a free, professional toolkit. OpenSolar is best for teams looking for a robust, well-established platform.
Choose Solo if...
You prioritize Minimal training required for sales reps and modern residential sales teams wanting a sleek, minimal ui. Solo offers a specialized approach tailored for high-performance solar teams.
Still can't decide?
Our Matchmaker Quiz picks the right tool for your specific install volume and business stage.
Take the Matchmaker Quiz ⚡