Understand the system
behind the panels.

Choose an inverter for the system you need.

Record two different capacities

The panels’ DC rating and the inverter’s AC rating are different specifications. A designer should explain the intended relationship, expected clipping and the voltage/current limits of each input. Do not select an inverter solely by matching the number printed on a panel quotation.

Confirm backup explicitly

Ordinary grid-tie operation should not be assumed to supply your home during an outage. Ask whether the exact model supports backup, what additional equipment is needed, which circuits are supplied and what power limit applies.

Make monitoring useful

At handover, request owner access to monitoring and an explanation of normal indicators. Record an unfamiliar alert and the time it appeared, then contact the installer. Do not open an enclosure or change electrical settings to investigate.

Keep the model, serial number, invoice, warranty terms and support contact together. Ask whether internet access or data retention affects support.

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