Buying Solar Like a Pro: Specs That Actually Matter
Panels
•Manufacturer reputation
•Warranty terms
•Degradation expectations
•Fit and layout on your roof
Inverters
•Warranty and support
•Monitoring and service access
•Compatibility with your system design
System-level
•Design quality and string limits
•Documentation readiness for permits
•Upgrade paths (like future storage)
Next step: Buy based on durability + design fit, not marketing buzzwords.