Heat pumps · MT

BoschCompress CS3800iAW 13 OE-T (CS3800iAW 13 O-T + AWEi)

Bosch Compress CS3800iAW 13 OE-T (CS3800iAW 13 O-T + AWEi)
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The Bosch Compress CS3800iAW 13 OE-T (CS3800iAW 13 O-T + AWEi) is an air-to-water heat pump with a SCOP of 5.04 (35 °C) and a sound power level of 51 dB(A).1

Last updated: Technical specifications ⇄ Compare this model

Key figures

SCOP (35 °C)
5.041

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

Outdoor unit sound power
51dB(A)1
Official source
Refrigerant
R2901
Official source
Type (source)
Air-to-water1
Official source
Rated output 35 °C
12.5kW1
Official source

Technical specifications

General
Type (source) Air-to-water1
Compressors 11
Capacity control Inverter1
Performance
Rated output 35 °C 12.5 kW1
Rated output 55 °C 12.5 kW1
Efficiency
SCOP (35 °C) 5.041
SCOP (55 °C) 3.881
Seasonal efficiency ηs 35 °C 199 %1
Seasonal efficiency ηs 55 °C 152 %1
COP A7/W35 4.461
COP A2/W35 3.771
COP A-7/W35 2.991
SEER (cooling) 4.411
Noise
Outdoor unit sound power 51 dB(A)1
Indoor unit sound power 34 dB(A)1
Refrigerant
Refrigerant R2901
Refrigerant charge 1.37 kg1
Electrical
Max. power input 6.2 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 13 OE-T (CS3800iAW 13 O-T + AWEi)
  • Compress CS3800iAW 13 OM-T (CS3800iAW 13 O-T + AWMi) — Indoor unit sound power: 40 dB(A)

Manufacturer documentation

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 13 OE-T (CS3800iAW 13 O-T + AWEi) use?

The Bosch Compress CS3800iAW 13 OE-T (CS3800iAW 13 O-T + AWEi) uses R290.1

Sources

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