| Subtype | Certificate Holder | Heat Pump Type | Certification Body |
|---|---|---|---|
| 10 INV 2T R290 | FROST ITALY S.R.L. | Outdoor Air/Water | SZU - Strojirensky zkusebni ustav (Engineering Test Institute, Public Enterprise) |
| 15 INV 2T R290 | FROST ITALY S.R.L. | Outdoor Air/Water | SZU - Strojirensky zkusebni ustav (Engineering Test Institute, Public Enterprise) |
| 20 INV 2T R290 | FROST ITALY S.R.L. | Outdoor Air/Water | SZU - Strojirensky zkusebni ustav (Engineering Test Institute, Public Enterprise) |
| 25 INV 2T R290 | FROST ITALY S.R.L. | Outdoor Air/Water | SZU - Strojirensky zkusebni ustav (Engineering Test Institute, Public Enterprise) |
| 30 INV 2T R290 | FROST ITALY S.R.L. | Outdoor Air/Water | SZU - Strojirensky zkusebni ustav (Engineering Test Institute, Public Enterprise) |
| 35 INV 2T R290 | FROST ITALY S.R.L. | Outdoor Air/Water | SZU - Strojirensky zkusebni ustav (Engineering Test Institute, Public Enterprise) |
| 40 INV 2T R290 | FROST ITALY S.R.L. | Outdoor Air/Water | SZU - Strojirensky zkusebni ustav (Engineering Test Institute, Public Enterprise) |
