Wood Chip Boiler

Wood Chip
Cascades
up to 2 MW

Up to 6,800,000 BTU/h
High reliability
Optimum performance

Benefits Technical details Supplies Target group References Your proposal Dealer information News

Cascade control for multiple systems

Targeted operation with up to 6 boilers

Hargassner’s Eco-HK and Eco-PK series allow for a flexible and efficient heating setup. By switching between 2 to 6 heaters in a cascade, highest reliability and efficiency are ensured. The smart control system balances identical running times, extending the lifespan and operational stability of each boiler. Efficient, effective, cost-saving heating works like this today!

Benefits: Cascades up to 2 MW

Wood chip heating technology in detail

Highest operational safety
Optimum low load coverage
Sophisticated control system tailored to your needs
Cost-reducing and efficient operation
Large discharge volume
Mature technology
Optimum price-performance ratio

Technical
details

Nominal capacity (NC)

Fuel heat output

Minimum capacity

Electric capacity

Heating value Efficiency/NC

Heating value Efficiency/30% NC

Fuel efficiency in NC

Fuel efficiency in 30% NC

Seasonal energy effiency ETAs

Boiler temperature range

Measures (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

"

Eco-HK 70

Nominal capacity (NC) 70 kW

Fuel heat output 73,2 kW

Minimum capacity 21 kW

Electric capacity - kW

NCV efficiency at nominal output (nn) in % 95,6* %

NCV efficiency at 30 % nominal output (np) 95,2 %

Fuel efficiency in NC 87,5 %

Fuel efficiency in 30% NC 87,1 %

Seasonal energy effiency ETAs 83** / 83** %

Boiler temperature range 69 - 78 °C

Measures (w x h x d) 745 x 1610 x 1560 mm

Weight 1100 kg

Filling volume - l

Space requirement 1,15 m²

Flue pipe diameter 180 mm

Ash box volume 60 l

Water content 180 l

Flow/Return 6/4 "

Energy label A++

Eco-HK 90

Nominal capacity (NC) 90 kW

Fuel heat output 94,4 kW

Minimum capacity 27 kW

Electric capacity - kW

NCV efficiency at nominal output (nn) in % 95,3* %

NCV efficiency at 30 % nominal output (np) 95,6 %

Fuel efficiency in NC 87,3 %

Fuel efficiency in 30% NC 87,5 %

Seasonal energy effiency ETAs 84** / 83** %

Boiler temperature range 69 - 78 °C

Measures (w x h x d) 745 x 1610 x 1560 mm

Weight 1100 kg

Filling volume - l

Space requirement 1,15 m²

Flue pipe diameter 180 mm

Ash box volume 60 l

Water content 180 l

Flow/Return 6/4 "

Energy label -

Eco-HK 100

Nominal capacity (NC) 99 kW

Fuel heat output 104 kW

Minimum capacity 29,7 kW

Electric capacity - kW

NCV efficiency at nominal output (nn) in % 95,2* %

NCV efficiency at 30 % nominal output (np) 95,8 %

Fuel efficiency in NC 87,2 %

Fuel efficiency in 30% NC 87,7 %

Seasonal energy effiency ETAs 84** / 83** %

Boiler temperature range 69 - 78 °C

Measures (w x h x d) 745 x 1610 x 1560 mm

Weight 1150 kg

Filling volume - l

Space requirement 1,15 m²

Flue pipe diameter 180 mm

Ash box volume 60 l

Water content 180 l

Flow/Return 6/4 "

Energy label -

Eco-HK 110

Nominal capacity (NC) 108 kW

Fuel heat output 113,7 kW

Minimum capacity 32,4 kW

Electric capacity - kW

NCV efficiency at nominal output (nn) in % 95* %

NCV efficiency at 30 % nominal output (np) 96,1 %

Fuel efficiency in NC 87,1 %

Fuel efficiency in 30% NC 87,9 %

Seasonal energy effiency ETAs 84** / 83** %

Boiler temperature range 69 - 78 °C

Measures (w x h x d) 745 x 1610 x 1560 mm

Weight 1150 kg

Filling volume - l

Space requirement 1,15 m²

Flue pipe diameter 180 mm

Ash box volume 60 l

Water content 180 l

Flow/Return 6/4 "

Energy label -

Eco-HK 120

Nominal capacity (NC) 120 kW

Fuel heat output 126,6 kW

Minimum capacity 36 kW

Electric capacity - kW

NCV efficiency at nominal output (nn) in % 94,8* %

NCV efficiency at 30 % nominal output (np) 96,2 %

Fuel efficiency in NC 87 %

Fuel efficiency in 30% NC 88,1 %

Seasonal energy effiency ETAs 84** / 84** %

Boiler temperature range 69 - 78 °C

Measures (w x h x d) 745 x 1610 x 1560 mm

Weight 1150 kg

Filling volume - l

Space requirement 1,15 m²

Flue pipe diameter 180 mm

Ash box volume 60 l

Water content 180 l

Flow/Return 6/4 "

Energy label -

Eco-HK 150

Nominal capacity (NC) 149 kW

Fuel heat output 157,3 kW

Minimum capacity 44,7 kW

Electric capacity - kW

NCV efficiency at nominal output (nn) in % 94,7* %

NCV efficiency at 30 % nominal output (np) 96,5 %

Fuel efficiency in NC 85,6 %

Fuel efficiency in 30% NC 87,2 %

Seasonal energy effiency ETAs 84** / 84** %

Boiler temperature range 69 - 78 °C

Measures (w x h x d) 875 x 1765 x 1740 mm

Weight 1450 kg

Filling volume - l

Space requirement 1,37 m²

Flue pipe diameter 200 mm

Ash box volume 75 l

Water content 253 l

Flow/Return 2 "

Energy label -

Eco-HK 170

Nominal capacity (NC) 166 kW

Fuel heat output 175,7 kW

Minimum capacity 49 kW

Electric capacity - kW

NCV efficiency at nominal output (nn) in % 94,5* %

NCV efficiency at 30 % nominal output (np) 96,7 %

Fuel efficiency in NC 84,6 %

Fuel efficiency in 30% NC 86,5 %

Seasonal energy effiency ETAs 83** / 84** %

Boiler temperature range 69 - 78 °C

Measures (w x h x d) 875 x 1765 x 1740 mm

Weight 1450 kg

Filling volume - l

Space requirement 1,37 m²

Flue pipe diameter 200 mm

Ash box volume 75 l

Water content 253 l

Flow/Return 2 "

Energy label -

Eco-HK 200

Nominal capacity (NC) 199 kW

Fuel heat output 210,8 kW

Minimum capacity 59 kW

Electric capacity - kW

NCV efficiency at nominal output (nn) in % 94,4* %

NCV efficiency at 30 % nominal output (np) 97 %

Fuel efficiency in NC 83,2 %

Fuel efficiency in 30% NC 85,5 %

Seasonal energy effiency ETAs 82** / 85** %

Boiler temperature range 69 - 78 °C

Measures (w x h x d) 945 x 1915 x 1905 mm

Weight 1600 kg

Filling volume - l

Space requirement 1,80 m²

Flue pipe diameter 250 mm

Ash box volume 75 l

Water content 360 l

Flow/Return 2,5 - 2 "

Energy label -

Eco-HK 250

Nominal capacity (NC) 249 kW

Fuel heat output 264,6 kW

Minimum capacity 74,7 kW

Electric capacity - kW

NCV efficiency at nominal output (nn) in % 94,1* %

NCV efficiency at 30 % nominal output (np) 96,8 %

Fuel efficiency in NC 83,3 %

Fuel efficiency in 30% NC 86 %

Seasonal energy effiency ETAs 82** / 82** %

Boiler temperature range 69 - 78 °C

Measures (w x h x d) 1155 x 2015 x 2285 mm

Weight 2500 kg

Filling volume - l

Space requirement 2,62 m²

Flue pipe diameter 250 mm

Ash box volume 75 l

Water content 570 l

Flow/Return 2,5 "

Energy label -

Eco-HK 300

Nominal capacity (NC) 299 kW

Fuel heat output 318,8 kW

Minimum capacity 89,7 kW

Electric capacity - kW

NCV efficiency at nominal output (nn) in % 93,8* %

NCV efficiency at 30 % nominal output (np) 96,5 %

Fuel efficiency in NC 83,3 %

Fuel efficiency in 30% NC 86,4 %

Seasonal energy effiency ETAs 83** / 83** %

Boiler temperature range 69 - 78 °C

Measures (w x h x d) 1155 x 2015 x 2285 mm

Weight 2500 kg

Filling volume - l

Space requirement 2,62 m²

Flue pipe diameter 250 mm

Ash box volume 75 l

Water content 570 l

Flow/Return 2,5 "

Energy label -

Eco-HK 330

Nominal capacity (NC) 330 kW

Fuel heat output 352,6 kW

Minimum capacity 99 kW

Electric capacity - kW

NCV efficiency at nominal output (nn) in % 93,6* %

NCV efficiency at 30 % nominal output (np) 96,4 %

Fuel efficiency in NC 83,4 %

Fuel efficiency in 30% NC 86,7 %

Seasonal energy effiency ETAs 83** / 83** %

Boiler temperature range 69 - 78 °C

Measures (w x h x d) 1155 x 2015 x 2285 mm

Weight 2500 kg

Filling volume - l

Space requirement 2,62 m²

Flue pipe diameter 250 mm

Ash box volume 75 l

Water content 570 l

Flow/Return 2,5 "

Energy label -

NCV = Net Calorific Value | GCV = Gross Calorific Value
per cascade boiler:
max. operation temperature 95 °C | max. operating pressure 3 bar | electrical supply 400 V AC, 50 Hz, 13 A fuse protection

Additional products

Supplies & Additions: Cascades up to 2 MW

Fuel extraction system

Eco Fuel Extraction System

Save heating costs with the ECO Fuel Extraciton System

Learn more

Raumaustragung-Hackgut Eco-RA | Hargassner

Refuelling systems

Inside ejector

Make maximum use of the storage room volume

Learn more

Hackgutbefuellsystem mit innenliegendem Auswerfer | Hargassner

Refuelling systems

Outside ejector

For filling through windows or wall openings

Learn more

Hackgutbefuellsystem mit aussenliegendem Auswerfer | Hargassner

Refuelling systems

Horizontal distribution auger

For filling hard-to-reach storage spaces

Learn more

Hackgut Befüllsystem mit waagrechter Verteilerschnecke

Refuelling systems

Filling system with variable inclination

Optimally used storage or boiler room

Learn more

Hackgut Befüllsystem mit variabler Schneckenneigung | Hargassner

Refuelling systems

Filling auger with variable inclination

Convenient & automatic filling of difficult to access storage spaces

Learn more

Refuelling systems

Horizontal with centrifugal plate

Conveying wood chips to cellar rooms

Learn more

Hackgut Befüllsystem waagrecht mit Schleuderteller

Refuelling systems

Horizontal filling auger

Transports wood chips up to 10 metres

Learn more

Hackgut Befüllschnecke waagrecht | Hargassner

Accessories

OekoRona

Micro-dust filter for boilers from 250 kW

Learn more

Feinstaubfilter OekoRona 300 für Industrieheizungen | Hargassner

Water storages

Layered accumulator

Universal heat storage tank

Learn more

Schichtpuffer SP 500 – 5.000 | Hargassner

Remote Control

Lambda Touchtronic

The fully comprehensive boiler touch control

Learn more

Heizungsdisplay Lambda Touchtronic | Hargassner

Remote Control

Control accessories

For all heating systems from Hargassner

Learn more

Heizkreiserweiterung HKM ohne Touch | Hargassner

Accessories

De-ash systems

For wood chip and pellet boilers

Learn more

Target group
& possible areas of application

Trade/Industry

Restaurants

Public buildings

Multi-dwelling unit

Joineries & sawmills

Hotels and restaurants

District heating

Agriculture

Reference

Poultry Farm Wimberg

Wood chip boiler Eco-HK 120 kW as cascade system

Learn more

Reference

School Gloggnitz

Wood chip boiler Eco-HK 2 x 200 kW

Learn more

Reference

Public heating network

Wood chip boiler 4x Eco-HK 330 kW

Learn more

Reference

Industry

Container system with wood chip boiler 2 x Eco-HK 300 kW

Learn more

The right boiler for every power requirement.

Get your new heating system
in just a few steps

More about Hargassner

01

Contact us

Get more information
and schedule an appointment.

02

Request

Our team looks forward to
hearing from you and providing
you with professional advice.

03

Appointment

We will inform you in detail
about our heating solutions and the
corresponding heating supplies
for your biomass heating system.

04

Customized offer

We create an energy- and
cost-efficient offer that
is tailored to your needs.

Hargassner North America

Your
contact partner

Find your local heating expert

PDF & Partner portal

All information
for partners
& traders

Go to Partner Portal

Download important PDF documents quickly and easily without log in.

You are a Hargassner expert, installer or dealer and need even more technical documents on our products and heating solutions? Use our partner portal, where you can also view an overview of your installed Hargassner heating systems.
Simply log in and view exclusive information. You do not have a log in yet? Register now at partner login.

Brochure wood chip boilers Brochure pellet boilers

News, Events & Blog

Filter news & facts
and find all information you need