HWAM 3520C

Hwam 3520 4.5kW Wood Burning Stove

The Hwam 3520 is a tall (1260mm) contemporary styled stove with a semi-circular footprint which has a depth of just  371mm. It has two compartments with the top compartment designed to hold an optional 44kg of heat storage stones. For an additional 49kg heat storage the 3520 can also be specified with stone side panel sets, including top, in five different colour variants – Grey Soapstone, Tobacco, Nox Petra or Rosewood Sandstone or San Sebastian Limestone. 


The 3520 is Ecodesign Ready, Defra approved and its room-seal has passed the tough German DIBt test, which along with its direct external air supply option, ensures that it is safe to install where there is mechanical ventilation heat recovery (MVHR). The practical 2.0kW to 7kW (nominal 4.5kW) heat output range is controlled and managed with Hwam's Autopilot system with an option to upgrade to the state-of-the-art SmartControl which will improve the stove's efficiency by a further 5.3% as well as save up to 50% on fuel usage. 

HWAM 3520c (classic door) - Available in grey orblack steel
HWAM 3520m (modern door) - Available in white, grey orblack steel
HWAM 3520c - Available with soapstone, sandstone - black or grey steel
HWAM 3520m - Available with soapstone, sandstone - black or grey steel

HWAM® SmartControl™ is available as internal fitting in this HWAM wood-burning stove.

Technical data
Energy efficiency class HWAM®Autopilot™ A
HWAM®SmartControl™ A+
HWAM® Autopilot™ Yes
HWAM® Smartcontrol™ Yes
Capacity (kW) 2-7kW
Nominal heat output (kW) 4,5
Smokeoutlet, Ø (mm) 150
Chimney draught, recommended (Pa) 12
Combustion chamber width (cm) 33
Height (cm) Stove body 125,8
Width (cm) 54
Depth (cm) 37,1
Weight (kg) 118
Weight (kg) Heat Retaining Stones 44
Combustion air system
Combustion air system can be mounted, back (Ø 100 mm) Yes
Combustion air system can be mounted, floor (Ø 100 mm) Yes
Distance to inflammable materials
Distance to inflammable materials, back (cm) 10
Distance to inflammable materials, side(cm) 20
Distance to inflammable materials, front(cm) 80
Distance to inflammable materials, corner location (cm) 13-43
All dimensions in connection with corner installation are only recommendations. 
Distance to furnishing in front (cm) 80
Efficiency, HWAM®Autopilot™/HWAM® SmartControl™
Efficiency, gross/net (%) 78,1/83,4
EN 13240 (Europa) Yes
Art. 15a (Austria) Yes
NS 3058/3059 (Norway) Yes
The stove announcement (Denmark) Yes
LRV (Switzerland) Yes
RLU zugelassen (Germany) Yes
BImSchV Stufe 2 (Germany) Yes
Exempt under the Clean Air Act (UK) Yes
HETAS registrated (UK) Yes




Hwam Brochure UK

User's manual for the HWAM 3400 & 3500 series (EN)

User Manual HWAM® SmartControl™ Generation 2 (EN)

Assembly instructions for combustion air system back

Assembly instructions for combustion air system bottom

Assembly instructions for combustion air system for stoves with HWAM® SmartControl™

Mounting of stone cover (HWAM 3520)

Mounting the heat storage (HWAM 3520 & 3530)

Mounting of stone cover (HWAM 3530)

Mounting adjustable feet

Quickguide - HWAM® SmartControl™ (EN)





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