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BoschCS5800iAW 10 ORMB-T

Bosch CS5800iAW 10 ORMB-T
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The Bosch CS5800iAW 10 ORMB-T is an air-to-water heat pump with a SCOP of 4.74 (35 °C) and a sound power level of 42 dB(A).1

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SCOP (35 °C)
4.741

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

Heating capacity (A7/W35)
5.57kW1
Official source
Outdoor unit sound power
42dB(A)1
Official source
Refrigerant
R2901
Official source
Type (source)
Air-to-water1
Official source

Technical specifications

General
Type (source) Air-to-water1
Performance
Heating capacity (A7/W35) 5.57 kW1
Rated output 35 °C 10 kW1
Rated output 55 °C 10 kW1
Min. outdoor temperature -22 °C1
Efficiency
SCOP (35 °C) 4.741
SCOP (55 °C) 3.611
Seasonal efficiency ηs 35 °C 186 %1
Seasonal efficiency ηs 55 °C 141 %1
Energy label 35 °C A, , , 1
Energy label 55 °C A, , 1
COP A7/W35 4.811
Noise
Outdoor unit sound power 42 dB(A)1
Indoor unit sound power 37 dB(A)1
Refrigerant
Refrigerant R2901
Refrigerant GWP 31
Refrigerant charge 1.7 kg1

Variants

This model is registered in 3 combinations (for example with a different indoor unit or cylinder) with exactly the same performance. All figures on this page apply to each of these types. The part of the type number that differs is in bold; small differences (e.g. cylinder volume or anode) are listed after it:

  • CS5800iAW 10 ORMB-T
  • CS5800iAW 10 ORMB-T (60°C)
  • CS6800iAW 10 ORMB-T

Manufacturer documentation

  • Product page (bosch-homecomfort.com)
  • Brochure / leaflet — Broschüre Bosch Wärmepumpe Compress 5800i AW / 6800i AW (bosch-homecomfort.com, PDF)
  • Manual — Bedienungsanleitung Luft-/Wasserwärmepumpe Compress 5800iAW | 6800iAW (docs.bosch-homecomfort.com, PDF)
  • Manual — Installationsanleitung Inneneinheit Compress 5800i AW (bosch-de-de.boschhc-documents.com, PDF)

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

Frequently asked questions

Which refrigerant does the Bosch CS5800iAW 10 ORMB-T use?

The Bosch CS5800iAW 10 ORMB-T uses R290.1

Sources

  1. Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026