Wood Pellet Boilers
At Tubman Heating we are actively researching and sourcing sustainable and environmentally friendly options to help our clients manage their climate change response. A viable alternative to conventional and electric boilers, wood pellet burners use compressed wood pellets as the fuel source. The wood pellets in New Zealand are all made of sawdust and wood shavings, manufactured locally in Kerikeri, Taupo, Nelson and Invercargill.
In 2022 our team installed wood pellet boilers at the Auckland Winter Gardens, this resulted an estimated reduction of 100 tonnes of CO2 emitted per year, and $50 000 in energy savings per year.
Call us today to design, supply & install
ÖkoFEN Pellet Boilers
As the preferred installers of the ÖkoFEN pellet boilers we can supply, install and service the pellet boiler, controls and rest of the heating system. ÖkoFEN pellet boilers come in 64kW modules and can be cascaded up to 512kW – or more if required for the heat load. They are perfectly designed for retrofit applications where space and access is tight, with a 64kW boiler fitting through a standard 0.8m doorway. The boilers are fully automatic in all their operation, including refuelling, meaning very low maintenance and operation costs. Our design team can tailor a suitable solution for your organisation.
ÖkoFEN Pellematic Maxi
- Individual boiler heat output up to 64kW
- Cascades of up to 224kW
- Modulation range 224kW to 19kW (9%)
- Fits through every standard doorway (0.8m)
- Adaptable for all heat distribution systems (underfloor heating or radiators)
- Clean combustion and fully automatic operation
- Used by Ministry of Education for School Boiler
- Replacement Programme
Click here to download a data sheet from the ÖkoFEN website
ÖkoFEN Pellematic Maxi Twin
- Twin Maxi boilers with combined output of 128kW
- Can be installed in a cascade for up to 512kW output
- Fits through every standard doorway
- Very high level of modulation 512kW to 38kW
- Used by Ministry of Education for School Boiler
- Replacement Programme
Click here to download a data sheet from the ÖkoFEN website
ÖkoFEN Pellematic Maxi Condens
- Condensing technology provides 102.7% efficiency
- Flue gas condensing heat exchanger
- Automatic heat exchanger cleaning
- Reduces particulate emissions and fuel consumption
- Additional option for all Pellematic boilers
Click here to download a data sheet from the ÖkoFEN website
ÖkoFEN Pelletronic Touch
- Easy operation with symbols and text
- Weather forecast and current temperature readings compensate heating power to the weather conditions
- myPelletronic App allows for monitoring and control remotely on phone and PC
ÖkoFEN Flexilo Fabric Tank
- Available in 35 sizes from 450kg to 12 tonnes
- Simplifies pellet fuel delivery using blower trucks
- Simple and quick installation
- Dust-tight, permeable to air and permanently anti-static
- 60% more capacity than a conventional storage tank
- Tank can empty almost completely with spring loaded sides
ÖkoFEN Pellet Storage Room
- A range of solutions for adapting rooms for pellet storage
- Every last pellet delivered to the boiler
- Vacuum pellet delivery system to boilers
Unical Pellet Boilers
Unical, the Italian well-advanced manufacturer in the heating sector, offer a wide range of boiler options including pellet boilers.
Unical Pellexia 27-40 kW
- Hot water carbon steel heating unit with combustion chamber partially lined with refractory
- Certified efficiency above 90.3%
- Equipped with a modulating blown pellet burner
- Pellet fuel tank capacity of 150 Kg
- Autonomy over 23 hours at rated output in continuous operation without burner shutdown
Click here to download a data sheet from the Unical website
Unical Pellexia 34-45-80 kW
- Hot water, carbon steel boiler
- Equipped with a special pellet burner
- Automatic pellet tank with capacity of 230Kg(mod. 34-45) and 320Kg (mod. 80)
- Efficiency higher than 90.2%
- Autonomy: more than 133 hours at minimum power
Click here to download a data sheet from the Unical website
Unical Pellexia 116-160-250 kW
- Pellet storing capacity 120Kg
- Complete with modulating burner, safety rotary valve and pneumatic cleaning system
- Maximum operation temperature 85⁰C
- Automatic pellet feeding
Click here to download a data sheet from the Unical website
ETA Wood Chip Boilers
ETA Heiztechnik GmbH is a manufacturer of biomass heating systems, which include log, pellet and wood chip boilers. The company also offers a platform called meinETA, which allows customers to control and regulate their heating systems from anywhere.
Justsen Biomass Boilers
Justsen is a Danish company that specializes in biomass fueled boiler systems for various applications and markets12. It has been in the industry for over 60 years and has a reputation for delivering high-quality and innovative solutions for heating and energy utilisation from biomass.
ETA Hack VR
- Wood chip boiler 250 – 500 kW output
- Pieces of wood chips up to 12cm can be used as fuel
- Permanently regulated flue gas reticulation for optimal emissions and efficiency
- Wood chip and pellet feed options available
- Fuel transport is fully automated
- Sealed one chamber rotary valves for safety
- Highly efficient draught fan ensures underpressure and safety in the boiler
Click here to download a data sheet from the ETA website
JUSTSEN Biomass Boiler
- Low pressure biomass steam boiler 312 kW – 5MW output
- Capacity of up to 8 t/h
- Combustion system can be adapted for all types of biomass fuels
- Grate/radiation section with a horizontal convection drum
- 2 horizontal flue gas tube passes
- Optional: Horizontal flue gas economizer and ceramic tiles for a wider range of fuel moisture
Click here to download a data sheet from the JUSTSEN website
