high-temperature heat-pump COP across the lift range; ~4–6 from a warm DLC source, ~2.5–3.5 from low-grade air
COP ~2.5–6observed
| Value kind | observed — Reported measurements, counts, and specifications keep the precision and scope stated by their source; an exact specification is not treated as a range. |
|---|---|
| As of | 2025 |
| Source | ScienceDirect HT heat-pump DH studies; Energy Solutions review |
| Review | checking…review by 2026-08-02 · standard cadence |
| Recorded changes | last 2026-06-29 |
| Claim id | high-temperature-heat-pump-cop-across-the-lift |
Where the guide uses it
← Full numbers register — every date-stamped figure in the guide, with revision history.