Solar-Estimate.org vs sungoldpower.com: most-reported complaints compared
Most-reported issues at Solar-Estimate.org and sungoldpower.com, according to reviewers on Trustpilot — classified by our automated reader and backed by verbatim quotes from distinct reviews. This is a side-by-side of what reviewers report, not a score, rating or recommendation for either company.
Solar-Estimate.org
TrustScore 4.7 · 1,169 reviews on Trustpilot.
275 reviews analysed, 2019-10-17 to 2026-02-16.
Complaint rate (recent window): 2%
0% of negative reviews get a company reply.
“Scam! sell your personal data.”
sungoldpower.com
TrustScore 4.3 · 172 reviews on Trustpilot.
107 reviews analysed, 2025-12-08 to 2026-09-09.
Complaint rate (recent window): 16%
100% of negative reviews get a company reply.
“firmware update went completely wrong and bricked my system”
Reported on both
Issues with an evidenced category (at least two verbatim quotes) on both sides.
| Issue | Solar-Estimate.org | sungoldpower.com |
|---|---|---|
| Support unhelpful | 13% | 35% |
Method: reviews are classified into a fixed complaint taxonomy by an automated reader; every category shown is backed by at least two verbatim quotes from distinct reviews. Figures are census classifications, not official statistics, and reflect what reviewers reported — not findings of wrongdoing by either company. Not affiliated with, endorsed by, or sponsored by Trustpilot A/S, Solar-Estimate.org or sungoldpower.com.