versusindex
MT
Heat pumps · MT

BoschCSH3800iAW 10-T

Bosch CSH3800iAW 10-T
Image: Boschrequest removal

The Bosch CSH3800iAW 10-T is an air-to-water heat pump with a SCOP of 4.94 (35 °C) and a sound power level of 49 dB(A).1

Last updated: Technical specifications ⇄ Compare this model
Search this model
SCOP (35 °C)
4.941

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

Heating capacity (A7/W35)
9.1kW1
Official source
Outdoor unit sound power
49dB(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) 9.1 kW1
Rated output 35 °C 10 kW1
Rated output 55 °C 10 kW1
Min. outdoor temperature -22 °C1
Efficiency
SCOP (35 °C) 4.941
SCOP (55 °C) 3.871
Seasonal efficiency ηs 35 °C 194 %1
Seasonal efficiency ηs 55 °C 152 %1
Energy label 35 °C A, , , 1
Energy label 55 °C A, , , 1
COP A7/W35 4.731
Noise
Outdoor unit sound power 49 dB(A)1
Indoor unit sound power 34 dB(A)1
Refrigerant
Refrigerant R2901
Refrigerant GWP 31
Refrigerant charge 1.37 kg1

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.

Frequently asked questions

Which refrigerant does the Bosch CSH3800iAW 10-T use?

The Bosch CSH3800iAW 10-T uses R290.1

Sources

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