PHNIX Everest Series (4.5–23.4 kW)

Specifications and technical data

Air Source (ASHP)ResidentialR2904.5–23.4 kW

Manufacturer	PHNIX
Model	Everest Series
Model code	EST60S
Heat pump type	Air Source (ASHP) All Air Source heat pumps →
Application	Residential All Residential heat pumps →
Refrigerant	R290 All R290 heat pumps →
Mode	Heating & cooling
Heating capacity	4.5–23.4 kW
Max heating output (low temp)	17 kW at A7/W55
COP (heating)	4.25 at A7/W35
Operating range (air)	-30 to 43 °C
Heating flow temperature	up to 80 °C
Power input	8.5 kW
Electrical supply	380-415V (Three Phase)
Cooling capacity	3.5–23.2 kW
Max cooling output (high temp)	17 kW at A35/W7
Cooling flow temperature	5–25 °C
EER (cooling)	2.83 at A35/W7
Dimensions (H×W×D)	1524 × 1438 × 545 mm
Operational Weight	275 kg
Sound power level	58 dB(A) (Sound Power LW(A))
Data added	2026-08-30
Data source	Manufacturer datasheet
Verification	Verified by a human

Free data sheet (PDF) →

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PHNIX EST60S air-to-water heat pump from the R290 Everest series. Nominal 17 kW at A7/W35, modulating 4.5-23.4 kW. Three-phase. Operates to -30 C ambient. PHNIX publishes no COP for this range; 4.25 is calculated at full output.

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Data is compiled from manufacturer sources and may contain errors or gaps. Always confirm specifications with the manufacturer before making decisions.

Reviews & further reading

Manufacturer Phnix E — PHNIX
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News Phnix releases residential air-to-water heat pump — pv magazine
Covers the wider PHNIX range