| Subtype | Certificate Holder | Heat Pump Type | Certification Body |
|---|---|---|---|
| HPi3204 | Rinnai UK Ltd | Outdoor Air/Water | ICIM S.p.A. |
| HPi3206A/08A | Rinnai UK Ltd | Outdoor Air/Water | ICIM S.p.A. |
| HPi3210/12 | Rinnai UK Ltd | Outdoor Air/Water | ICIM S.p.A. |
| HPi3214 | Rinnai UK Ltd | Outdoor Air/Water | ICIM S.p.A. |
| HPi3216/18 | Rinnai UK Ltd | Outdoor Air/Water | ICIM S.p.A. |
| HPiH3221/26 | Rinnai UK Ltd | Outdoor Air/Water | ICIM S.p.A. |
| HPiH3228/32 | Rinnai UK Ltd | Outdoor Air/Water | ICIM S.p.A. |
| HPR29006 | Rinnai UK Ltd | Outdoor Air/Water | ICIM S.p.A. |
| HPR29009 | Rinnai UK Ltd | Outdoor Air/Water | ICIM S.p.A. |
| HPR29012 | Rinnai UK Ltd | Outdoor Air/Water | ICIM S.p.A. |
| HPR29015/18 | Rinnai UK Ltd | Outdoor Air/Water | ICIM S.p.A. |
| HPR29021/23 | Rinnai UK Ltd | Outdoor Air/Water | ICIM S.p.A. |
| HPR290240 | Rinnai UK Ltd | Outdoor Air/Water | ICIM S.p.A. |
| HPR29025/27 | Rinnai UK Ltd | Outdoor Air/Water | ICIM S.p.A. |
| HPR290250 | Rinnai UK Ltd | Outdoor Air/Water | ICIM S.p.A. |
| HPVCH140 | Rinnai UK Ltd | Outdoor Air/Water | ICIM S.p.A. |
| HPVCH250 | Rinnai UK Ltd | Outdoor Air/Water | ICIM S.p.A. |
| HPVCH260 | Rinnai UK Ltd | Outdoor Air/Water | ICIM S.p.A. |
| HPVCH270 | Rinnai UK Ltd | Outdoor Air/Water | ICIM S.p.A. |
