versusindex
MT
Heat pumps · MT

ELCOAEROTOP SPK20

ELCO AEROTOP SPK20
Image: ELCOrequest removal

The ELCO AEROTOP SPK20 is an air-to-water heat pump with a SCOP of 5.25 (35 °C) and a sound power level of 53 dB(A).1,2

Last updated: Technical specifications ⇄ Compare this model
Search this model
SCOP (35 °C)
5.251

Seasonal efficiency: how much heat you get per kWh of electricity across a heating season.

Heating capacity (A7/W35)
23.59kW2
Official source
Outdoor unit sound power
53dB(A)1
Official source
Refrigerant
R2901
Official source
Type (source)
Air-to-water1
Official source

Technical specifications

General
Type (source) Air-to-water1
Compressors 11
Capacity control drehzahlregelung1
Performance
Heating capacity (A7/W35) 23.59 kW2
Rated output 35 °C 18 kW1
Rated output 55 °C 18 kW1
Efficiency
SCOP (35 °C) 5.251
SCOP (55 °C) 3.91
Seasonal efficiency ηs 35 °C 207 %1
Seasonal efficiency ηs 55 °C 153 %1
Energy label 35 °C A, , , 2
Energy label 55 °C A, , , 2
COP A7/W35 4.281
COP A-7/W35 3.11
Noise
Outdoor unit sound power 53 dB(A)1
Indoor unit sound power 35 dB(A)1
Refrigerant
Refrigerant R2901
Refrigerant GWP 32
Refrigerant charge 3.8 kg1
Electrical
Max. power input 20.1 kW1
Connectivity & smart
SG Ready Yes1

Manufacturer documentation

External links to ELCO's official website. The manufacturer may change or move documents; where they differ, the manufacturer's latest version applies.

Compare with

Frequently asked questions

Which refrigerant does the ELCO AEROTOP SPK20 use?

The ELCO AEROTOP SPK20 uses R290.1,2

Sources

  1. List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed 27 Sept 2026
  2. Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026