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Hi @preegi
You can see our article evaluating Trina and Seraphim below. We do rank Trina above Serpahim, but both panels are on our ‘list’.
Trina and Fronius is a good system.
I recommend reading this chapter in the solar guide, and asking the questions listed to the installer:
https://forum.cleanenergyreviews.info/t/ch-2-who-should-i-buy-solar-from/155