picto Loria Duo
picto Loria Duo

Energy-efficient solution for new build projects

4 models: 4 to 10 kW
Refrigerant : R410A

The Loria Duo is a performant split energy-efficient air-to-water heat pump (heating + DHW) thanks to its optimised design,  performance control along with the compact plate heat exchanger and integrated domestic hot water tank.

As a plus,  Loria Duo has an ergonomic design fitting indoor in a small spaces.


> Space-saving indoor hydraulic module
Magnetic mud filter
> High performance of DHW service
> Integrated DHW storage tank (190L) with coil and electric back-up
NAVISTEM 100H regulator


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Atlantic gives you the key information you need in order to select the heat pump corresponding to your exact need.
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Heat pumps working principle
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  • COP of up to 4.96
  • Up to A+++ (ERP regulation)
  • Integrated DHW storage tank (190L) with coil and electric back-up
  • Full Inverter regulation
  • Low energy consumption circulation pump
  • Navistem 100H interface
  • Built-in auxiliary electrical back-up as standard
  • Possibility of 2 heating zones
  • Magnetic mud filter
  • Hinged electric cabinet to access internal components for easy maintenance

picto Technical Data

Energy class - Heating (35°C/55°C)A+++ / A++
Rated heat output (35°C/55°C)kW4/4
Annual energy consumption - Heating (35°C/55°C)kWh1884/2708
Seasonal energy efficiency - Heating (35°C/55°C)%181/127
Seasonal energy efficiency - Heating (35°C/55°C) with outdoor sensor%183/129
Sound power level (indoor/outdoor)dB(A)44/62
Declared load profile - DHWL
Energy class - DHWA+
Annuel water heating energy consumptionkWh966
Seasonal water heating energy efficiency (%)%130
SCOP 35°C/55°C4.6/3.25
Heating capacity +7°C/+35°C – Underfloor HeatingkW4.07
COP +7°C/+35°C – Underfloor Heating4.96
Heating capacity -7°C/+35°C – Underfloor HeatingkW4.42
Power consumption -7°C/+35°C - Underfloor HeatingkW1.42
COP -7°C/+35°C - Underfloor Heating3.11
Heating capacity +7°C/+45°C – Low T°radiatorskW4.09
COP +7°C/+45°C – Low T°radiators3.62
Heating capacity -7°C/+45°C – Low T°radiatorskW4.24
COP -7°C/+45°C – Low T°radiator2.48
Heating capacity +7°C/+55°C – Low T°radiatorskW3.68
COP +7°C/+55°C – Low T°radiators2.65
Heating capacity -7°C/+55°C – Low T°radiatorskW3.72
COP -7°C/+55°C – Low T°radiators1.90
Electric back-up heaterkW3
Noise leveldB(A)36
Net weight/filled weightkg138 / 332
Power supplyV / Hz230 / 50
Noise leveldB(A)40
Operating weightkg41
Min./max. lengthm5 /30
Max. difference in heightm20
HFC R410A factory loadg1100
Quantity of refrigerant in tons of CO2 equivalentt2