Koven Climate-Match Derating Selector

Air-cooled capacity moves with ambient and leaving-water temperature. Check the correction factor before you lock a selection.

Nominal capacity (kW)

Design ambient (°C)

Leaving water (°C)

Corrected capacity factor

—

Effective capacity at your conditions— kW

Change vs nominal (35°C / 7°C)—

Confirm on Koven’s test bench →

Ambient	LWT 5°C	LWT 7°C	LWT 12°C
28°C	0.96	1.05	1.18
35°C	0.91	1.00	1.12
40°C	0.86	0.94	1.06
43°C	0.82	0.90	1.01

Typical directional correction factors (nominal = 35°C ambient / 7°C LWT = 1.00). Sanity-check only — Koven confirms the exact rating per unit. Standard catalogue rates to 43°C; hotter design ambients are confirmed with first-party high-ambient test data.

Koven Climate-Match Derating Selector

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