Aquila Heating & Plumbing Ltd vs Diamond Green Energy Ltd: most-reported complaints compared
Most-reported issues at Aquila Heating & Plumbing Ltd and Diamond Green Energy Ltd, 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.
Aquila Heating & Plumbing Ltd
TrustScore 4.8 · 1,028 reviews on Trustpilot.
215 reviews analysed, 2017-12-28 to 2026-08-29.
Complaint rate (recent window): 2%
67% of negative reviews get a company reply.
“Shocking service , advertised as 24 hour service , partner had work done almost 3 weeks ago & was told by engineer would return to complete the work after paying £1700, never hear anything them again !”
Diamond Green Energy Ltd
TrustScore 4.9 · 2,712 reviews on Trustpilot.
242 reviews analysed, 2017-07-29 to 2026-09-01.
Complaint rate (recent window): 1%
100% of negative reviews get a company reply.
“His manner was gruff at best and I was not happy to have him in my home”
Reported on both
Issues with an evidenced category (at least two verbatim quotes) on both sides.
| Issue | Aquila Heating & Plumbing Ltd | Diamond Green Energy Ltd |
|---|---|---|
| Support unhelpful | 58% | 30% |
| Poor core service | 33% | 22% |
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, Aquila Heating & Plumbing Ltd or Diamond Green Energy Ltd.