Free true-south, cable sizing and spec tools for solar installers. Tell us who you are once — we'll remember you on this device.
Fill in your name, phone number and accept the notice to continue.
Sets facing direction only — tilt is separate, see below.
TOP PANEL is your elevated edge — turn until it points to N.
Waiting for compass…
On desktop, use the slider above to preview.
Full technical output. Every field below feeds the safety check — none are decorative.
Log a model's specs so the cable sizing check can auto-fill it for everyone. Two independent "sure" confirmations lock a model in.
Fill in brand, model, and all four values first.