Lochinvar Amicus Altus (LAHP-88HTR290-4P-LNF)

Specifications and technical data

Also known as: GPE 881 Kp+LNF

Air Source (ASHP)CommercialR29086.7 kW

Manufacturer	Lochinvar
Model	Amicus Altus
Model code	LAHP-88HTR290-4P-LNF
Heat pump type	Air Source (ASHP) All Air Source heat pumps →
Application	Commercial All Commercial heat pumps →
Refrigerant	R290 All R290 heat pumps →
Mode	Heating & cooling
Heating capacity	86.7 kW
Max heating output (low temp)	86.7 kW at A7/W35
COP (heating)	3.91 at A7/W35
Operating range (air)	from -20 °C
Heating flow temperature	up to 77 °C
Electrical supply	380-415V (Three Phase)
Cooling capacity	72.1 kW
Max cooling output (high temp)	72.1 kW at A35/W7
EER (cooling)	2.71 at A35/W7
Dimensions (H×W×D)	2450 × 2560 × 1100 mm
Operational Weight	935 kg
Sound power level	81.5 dB(A) (Sound Power LW(A))
Data added	2026-10-04
Data source	Lochinvar Amicus Altus installation, commissioning and maintenance instructions (MTEC.7800.GB rev E, 11-2025)
Verification	Verified by a human

Free data sheet (PDF) →

Check noise at a neighbour’s window (MCS 020 a) →

Lochinvar Amicus Altus LAHP-88HTR290-4P-LNF commercial air-to-water heat pump with R290 scroll compressors, 86.7 kW at A7/W35, hot water up to 77 °C and operation down to -20 °C, 4-pipe multipurpose (simultaneous heating and cooling), low-noise version. 400 V three-phase.

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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.