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Nestor Martin Defra Exempt Multifuel Stoves

Defra Exempt Stoves
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You might like to read more in depth information about The Clean Air Act of 1956 and 1968.

A Defra Exempt stove has passed a lab test where its emissions are measured at its rated output and at a reduced rate. This is to help reduce air pollution in towns and cities that are Smoke Control Areas. A Defra Exempt stove can generally be used to burn wood in a Smoke Control Area - it actually depends what fuel the lab test was carried out with but this is nearly always firewood.

It is worth noting that the Ecodesign legislation, in effect since 2022, establishes emissions limits that are arguably even stricter than those set for Defra Exemption. However, the framework does not include the low output test. We may well see the introduction of an additional low output test for stoves that can be used in Smoke Control Areas after 2022.

ECO7.7kW77%
Nestor Martin Harmony 23 Stove

This multfuel cast iron stove has a nominal heat output between 7-8kw with a pretty decent fuel efficiency of 78%. 

9kW80%
Nestor Martin Harmony 33 Stove

The 9kw nominal heat output of the Harmony 33 will suit larger rooms.

ECO12kW76%
Nestor Martin Stanford 12  Plus Cooktop stove

The cast iron top of this stove hinges back allowing you to place your cooking pans directly on top of the stove.