Sonia 28B

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Wood Pellet Boiler Stove

The Kalor Sonia 28B is a 28kW Boiler Stove offering great design in conjunction with a highly efficient boiler. The Sonia 28B is available in three colours and offers class-leading efficiency at almost 96%. It's great value for money and a really inexpensive way to provide heat for your home.



Sonia 32 InstalledKalor Sonia 28B Features:

  • Sleek, modern design

  • Highest efficiency in class - Kalor Nux line

  • Stunning aesthetics

  • Monoblock - steel structure, hand welded

  • Removable, air tight ash box

  • Neat, integrated boiler

  • Integrated expansion vessel

  • Programmable LED control panel

  • Thermostatic control

  • Nine-step power setting

  • High temperature resistant, glass-ceramic window

  • Remote Control

  • Choice of colours



Technical Data

 Sonia 28B

Average Thermal Heat Input (Min - Max)kW8.95 - 27.34 
Performance Efficiency (Min - Max)%94.56 - 95.79 
Nominal Overall Power Yield (Min - Max)kW8.57 - 25.86
Output To Water (Min - Max)kW6.51 - 20.35
Output To Room (Min - Max)kW2.06 - 5.51
Approx. Heating Capacity - Poorly Insulated Homem2140 - 415
Approx. Heating Capacity - Very Well Insulated Homem2410 - 1,245
Pellet Consumption (Min - Max)kg/hr1.8 - 5.5 
Pellet Hopper Capacitykg57
Approx. Burn Time (Min - Max)hr10 - 31.5
Flue Outlet Diametermm 100
Electrical Requirement (Working)W140
Electrical Requirement (Starting)W350
Net Weightkg280
Heightmm 1,427
Depthmm 738
Recommended Retail Price (Incl. VAT)5,395

All data is calculated to be as accurate as possible but is indicative only. Changes in specifications and products may change at any time and without notice.


The following colour options are available:

Ceramic boiler black

Ceramic boiler white

Ceramic boiler red


Downloads for the Kalor Sonia 28B:

pdfSonia 28B Technical Data Sheet


Please contact us today to find out more about Kalor wood pellet stoves and learn how one could improve your lifestyle.

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