Smart-Duo Kombiheizung 17–30 kW | Heizung

Combi Boiler

Smart-DUO
17-30 kW

Pellet & log module in one boiler
Energy label up to A++

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Small & compact - 0.90 m²
2 optimised fireclay combustion chambers
Automatic boiler cleaning device
Automatic ignition
Particle separator eCleaner (opt.)

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Smart double heating system

The best of Hargassner pellet & wood log technology combined in one boiler

The compact Smart-DUO combi boiler has a 2-zone combustion chamber for pellets and logs under a shared panelling. This makes the new wood log and pellet combination heating system impressive both in technical terms and in terms of its compact appearance. The advantages of the proven log boiler Smart-HV and the pellet boiler Nano-PK are combined, resulting in a sophisticated combustion technology for both fuels. The Smart-DUO impresses with its modern, timeless design, compact size, functionality and, of course, its perfect price-performance ratio. An integrated eCleaner particle separator (optional) filters fine dust emissions to a minimum. The advantages of Hargassner pellet and log boilers are summarised.

Benefits:
Smart-DUO

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Extremely compact - 0.90 m² space requirement
Quick installation: delivery completely ready for operation
Pellet & log module in one boiler
2 optimised fireclay combustion chambers for pellets & wood logs
Automatic boiler cleaning device for both fuels
Control of buffer, boiler & 2 heat circuits
Optional and retrofittable at any time: integrated eCleaner (particle separator)
Perfect for renovations: Flue pipe connection height 50 cm
Easy to operate Smart-Touch display

Wood logs

Optimal filling chamber size for half-metre logs
Filling chamber lighting as standard
Smoke-free refilling thanks to smouldering gas extraction
Automatic primary & secondary air control
Automatic ignition via pellet combustion chamber

Pellets

Automatic power-saving ignition with only 300 W
Suction system with intermediate container
Double rotary valve with 100 % burn-back safety
Automatic sliding grate
Ash pan with compaction system

Our boilers in detail

Specifics
of Smart-DUO

Discover the new Smart-DUO 17-30 kW combi boiler

Welcome to our latest innovation in heating technology – the Smart-DUO 17-30 kW combi boiler. This compact combi boiler impresses with its unique 2-zone combustion chamber, which burns both pellets and logs efficiently and in an environmentally friendly way under a single cladding.

Thanks to state-of-the-art technology, you can experience the Smart-DUO directly on our website with the help of our 3D boiler view and the augmented reality (AR) function. Get a comprehensive first impression of the technology and the compact look of this heating system. With the AR function, you can even place the boiler virtually in your own boiler room and see how perfectly it fits into your surroundings.

See the technical sophistication and elegant, space-saving design of the Smart-DUO 17-30 kW for yourself. Heating convenience and efficiency redefined – with the combination boiler that leaves nothing to be desired.

Open 3D model in a new window

Fully fireclayed pellet combustion chamber
Sliding grate
Automatic ignition with 300 W
Insertion screw
Double cell wheel dosing sluice
Pellet storage hopper
Pellet suction turbine
Fill level indicator
Filling chamber for 1/2 m logs (up to 53 cm)
Filling chamber lining – prevents tar formation
Smouldering gas extraction at the top
Cooling coil for thermal safety circuit
Turbulators with automatic boiler cleaning device
Particle filter eCleaner with automatic cleaning (optional)
Suction draught fan
Low flue pipe connection height (50 cm)
High-quality, solid wood log fireclay combustion chamber
Return flow boost (optional)
Pellet ash pan
Wood log ash drawer
Smart touch display

View 3D model View cross section

Schnittbild Kombikessel Smart-DUO 17–30 kW | Hargassner

Technical
details

Nominal Load [NL]

Fuel heat output

Minimum Load [ML]

Electrical consumption

NCV efficiency at nominal output

NCV efficiency at 30 % nominal output

GCV efficiency at nominal output

GCV at 30 % nominal output

Seasonal energy efficiency ETAs

Boiler temperature range

Dimensions (w x h x d)

Weight

Filling volume

Space requirement

Flue pipe diameter

Ash box volume

Water content

Flow/Return

Energy label

Unit

kW

%

°C

mm

kg

l

m²

mm

l

"

Smart-DUO 17

Nominal Load [NL] 17 / 17 kW

Fuel heat output 18 / 17,9 kW

Minimum Load [ML] 17 / 5,1 kW

Electrical consumption - kW

NCV efficiency at nominal output in % 94,3 / 94,9 %

NCV efficiency at 30 % nominal output in % - / 91,4 %

GCV efficiency at nominal output 86,6 / 87,8 %

GCV at 30 % nominal output - / 84,5 %

Seasonal energy efficiency ETAs 84 / 81 %

Boiler temperature range 78 °C

Dimensions (w x h x d) 790 x 1540 x 1080 mm

Weight 660 kg

Filling volume 102 / - l

Space requirement 0,9 m²

Flue pipe diameter 130 mm

Ash box volume 15 l

Water content 82 l

Flow/Return 6/4 "

Energy label A++

Smart-DUO 20

Nominal Load [NL] 20 / 20 kW

Fuel heat output 21,3 / 21,1 kW

Minimum Load [ML] 20 / 6 kW

Electrical consumption - kW

NCV efficiency at nominal output in % 93,7 / 94,6 %

NCV efficiency at 30 % nominal output in % - / 91,4 %

GCV efficiency at nominal output 86 / 87,5 %

GCV at 30 % nominal output - / 84,5 %

Seasonal energy efficiency ETAs 83 / 81 %

Boiler temperature range 78 °C

Dimensions (w x h x d) 790 x 1540 x 1080 mm

Weight 660 kg

Filling volume 102 / - l

Space requirement 0,9 m²

Flue pipe diameter 130 mm

Ash box volume 15 l

Water content 82 l

Flow/Return 6/4 "

Energy label A++

Smart-DUO 23

Nominal Load [NL] 23 / 23 kW

Fuel heat output 24,7 / 24,4 kW

Minimum Load [ML] 23 / 6,9 kW

Electrical consumption - kW

NCV efficiency at nominal output in % 93,1 / 94,2 %

NCV efficiency at 30 % nominal output in % - / 91,4 %

GCV efficiency at nominal output 85,4 / 87,2 %

GCV at 30 % nominal output - / 84,5 %

Seasonal energy efficiency ETAs 82 / 81 %

Boiler temperature range 78 °C

Dimensions (w x h x d) 790 x 1540 x 1080 mm

Weight 660 kg

Filling volume 102 / - l

Space requirement 0,9 m²

Flue pipe diameter 130 mm

Ash box volume 15 l

Water content 82 l

Flow/Return 6/4 "

Energy label A++

Smart-DUO 30

Nominal Load [NL] 23 / 30 kW

Fuel heat output 24,7 / 32,1 kW

Minimum Load [ML] 23 / 9 kW

Electrical consumption - kW

NCV efficiency at nominal output in % 93,1 / 93,4 %

NCV efficiency at 30 % nominal output in % - / 91,4 %

GCV efficiency at nominal output 85,4 / 86,4 %

GCV at 30 % nominal output - / 84,5 %

Seasonal energy efficiency ETAs 82 / 81 %

Boiler temperature range 78 °C

Dimensions (w x h x d) 790 x 1540 x 1080 mm

Weight 660 kg

Filling volume 102 / - l

Space requirement 0,9 m²

Flue pipe diameter 130 mm

Ash box volume 15 l

Water content 82 l

Flow/Return 6/4 "

Energy label A++

All values given are for wood logs / pellets | max. operating temperature 95°C | max. operating pressure 3 bar | electrical connection 230 V AC, 50 Hz, 13 A fuse protection

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