There are many questions you should ask your installer. They should be happy to walk you through the answers to make sure you are comfortable with your decision process. You should always do some research on the reputation and history of the installer you consider. In addition, here are a few questions to help make the decision.
These are just a few examples of things to talk about with your sales professional and installer. If you are able to conduct some research on your own, we encourage you to do so. If not, these questions will get you some great information to make a sound decision.
Additional information to explore:
Is private solar right for me?
How does private solar work?
Additional solar resources