Riello Domus M 12T

Specifications and technical data

Air Source (ASHP)ResidentialR325.57–12.1 kW

Manufacturer	Riello
Model	Domus M 12T
Model code	Domus M 12T
Heat pump type	Air Source (ASHP)
Application	Residential
Refrigerant	R32
Mode	Heating & cooling
Heating capacity	5.57–12.1 kW
COP (heating)	4.95 at A7/W35
SCOP (heating)	4.81 at W35
Heating flow temperature	up to 60 °C
Power input	5.4 kW
Electrical supply	400V/3P/50Hz
Cooling capacity	11.6 kW
Cooling flow temperature	7–18 °C
EER (cooling)	2.75 at A35/W7
SEER (cooling)	4.89 at A35/W7
Operational Weight	126 kg
Sound power level	64 dB(A) (Sound Power LW(A) outdoor unit)
Data added	2026-07-06
Data source	Manufacturer Data Sheet
MCS certification	✓ MCS listed — eligible for Boiler Upgrade Scheme (MCS-certified install required)

View manufacturer page →

Notes

Riello Domus M 12T is a 12.1 kW split air source heat pump, providing heating, cooling and domestic hot water, using R32 refrigerant.

Riello Domus M split floor-standing heat pump system, R32, includes indoor unit with integral stainless steel DHW cylinder, Twin Rotary DC inverter compressor. DHW cylinder 240L (stainless steel). Outdoor unit net weight 126 kg; indoor unit weight separate. Indoor sound power 42 dB(A). Cooling nominal capacity 12.0 kW / EER 4.0 at A35/W18. Minimum partialisation 46% of nominal; cap_min estimated from this.

✓ Verified via Heat Pump KEYMARK data

✎ Suggest a correction to this data

Data is compiled from manufacturer sources and may contain errors or gaps. Always confirm specifications with the manufacturer before making decisions.