Domestic Wood Boilers and Stoves

 

For dwellings there are two generally available technologies that utilise wood fuels:

 

1. Boilers

2. Stoves

  
Boilers are generally located in a dedicated boiler room as with a conventional boiler and are used as centralised systems for both room heating and domestic hot water heating.Image of domestic boiler
Stoves are available as room heaters only or with room heating and centralised water heating capabilities. A less common form provides room heating and ducted air heating to adjacent rooms.Domestic Stove
More about wood fuel boilersMore about wood fuel stoves

 

Standards
 

Two standards are commonly available and used within the European Union for the testing of wood fired boilers and stoves.

EN 14785 Residential space heating appliances fired by wood pellets – requirements and test methods.

This standard is applied to pellet stoves. A stove needs to meet a number of pre-set criteria to pass the standard. The main criterion include:

  • Minimum nominal efficiency
  • Operator / Installation manual covering minimum requirements
  • CO emissions must be below pre-defined thresholds

EN 303-5Heating boilers for solid fuels, hand and automatically stoked, nominal heat output of up to 300 kW

This standard is applicable to solid fuel boilers (including chip and pellet boilers). The solid fuels covered include chips, pellets, briquettes and sawdust. A boiler needs to meet a number of pre-set criteria to pass the standard. The main criterion include:

  • Minimum nominal efficiency
  • Operator / Installation manual covering minimum requirements
  • CO emissions must be below pre-defined thresholds
  • Dust emissions must be below defined thresholds
  • Organically bound carbon emissions must be below defined thresholds

It is strongly recommended that any boilers or stoves you consider purchasing have been tested to the appropriate EN standard. In this way a degree of quality can be assured.

The above standards can be downloaded from www.standards.ie.

 
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