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BoschCompress CS3800iAW 10 OM-T (CS3800iAW O-T + AWMi)

Bosch Compress CS3800iAW 10 OM-T (CS3800iAW O-T + AWMi)
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The Bosch Compress CS3800iAW 10 OM-T (CS3800iAW O-T + AWMi) is an air-to-water heat pump with a SCOP of 5.01 (35 °C) and a sound power level of 49 dB(A).1

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SCOP (35 °C)
5.011

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

Outdoor unit sound power
49dB(A)1
Official source
Refrigerant
R2901
Official source
Type (source)
Air-to-water1
Official source
Rated output 35 °C
10kW1
Official source

Technical specifications

General
Type (source) Air-to-water1
Compressors 11
Capacity control Inverter1
Performance
Rated output 35 °C 10 kW1
Rated output 55 °C 10 kW1
Efficiency
SCOP (35 °C) 5.011
SCOP (55 °C) 3.931
Seasonal efficiency ηs 35 °C 197 %1
Seasonal efficiency ηs 55 °C 154 %1
COP A7/W35 4.731
COP A2/W35 3.821
COP A-7/W35 3.191
SEER (cooling) 4.461
Noise
Outdoor unit sound power 49 dB(A)1
Indoor unit sound power 40 dB(A)1
Refrigerant
Refrigerant R2901
Refrigerant charge 1.37 kg1
Electrical
Max. power input 4.7 kW1
Connectivity & smart
SG Ready Yes1

Variants

This model is registered in 2 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:

  • Compress CS3800iAW 10 OM-T (CS3800iAW O-T + AWMi)
  • Compress CS3800iAW 10 OE-T (CS3800iAW 10 O-T + AWEi) — Indoor unit sound power: 34 dB(A)

Manufacturer documentation

  • Brochure / leaflet — Luft-Wasser-Wärmepumpe Compress 3800i AW – Broschüre (bosch-homecomfort.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.

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Frequently asked questions

Which refrigerant does the Bosch Compress CS3800iAW 10 OM-T (CS3800iAW O-T + AWMi) use?

The Bosch Compress CS3800iAW 10 OM-T (CS3800iAW O-T + AWMi) uses R290.1

Sources

  1. List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed 27 Sept 2026