Contact

Talk to a real engineer.

Sentinel is run by the same UK engineers who answer the phone at Solar Tech Support. No call-centre, no script.

hello@sentinelapp.solar
Same-day response in UK business hours, Mon–Fri 9–5.

For on-site diagnostics or remedial work, Solar Tech Support handles the visit and pricing — and answers the phone.

Or drop us a line

Send us a message and we'll come back to you.

Tell us what's going on and we'll point you at the right next step — Sentinel install, settings change, diagnostic, or a Solar Tech Support call-out.