Frequently asked questions

What is the difference between a wood burning and a multi-fuel stove?

 

Wood burning stoves usually have a solid bed on which to build the fire. This is because wood burns best on a bed of its own ash, with air for combustion coming from above.

 

A multi-fuel stove gives you the option of burning wood or smokeless fuel 

They have a raised grate, as smokeless fuel requires combustion air from underneath the fire, they also have a  pan underneath the grate to collect the ash.

 


Does my chimney need to be lined in order to have a stove?

 

This depends on the type, size and age of the chimney, and its condition. Older traditional brick chimneys usually need to be relined with a flexible stainless steel flue liner.

This is because the gases produced by a stove are much cooler than an old open fire, so the size of the flue needs to be reduced to ensure the chimney draws correctly.

 

It also eliminates any potential chimney fire risk from tar and soot deposits building up in an old chimney stack.

 

If your chimney is lined with clay or pumice liners and in good order it may be possible to install a stove without relining the chimney. This would be subject to us carrying out an inspection and test on your flue.

 

 

Who are HETAS?

 

HETAS are the governing body recognised by the government to regulate the installation and maintenance of domestic solid fuel appliances, fuels, associated equipment and services.

 

How often do I need to get my chimney swept?

 

A minimum of once a year.

 

It does however depend on the quality and type of fuel you are using,wood should be seasoned and contain 20% moisture or less.

Arranging to have your chimney swept in plenty of time for the colder months makes good sense to avoid the inevitable 'last minute' rush.

What is primary air ?

This is the air that is drawn into the wood burning stove, typically at a low level to maintain the combustion of the solid fuel being burnt. The primary air enters through a control, usually on the lower part of the stove door.

 

The control can be adjusted to regulate the amount of air entering the firebox, thus giving you the opportunity to determine the intensity of the fire.

 

Primary air is the best way of controlling a stove burning solid mineral fuels and may also be used to start a wood fire. However, primary air is not normally used in a log fire once the logs are burning well.

 

What is secondary or 'Airwash' air?

 

Secondary Air, required for burning wood, is the air that arrives from above the fuel load and not from underneath, and is usually controlled with a slide control above the top of the door.

 

Both Primary and Secondary air are essential for the efficient burning of the different fuel types. At different stages of the burn cycle, depending on your stove, flue draught and and fuel type, you may need to experiment and use a mixture of both.

However, always remember that turning down the secondary air supply too much when burning wood logs could also limit the effectiveness of the stove's airwash system.

Do I need a carbon monoxide detector?

As of Oct 2010 a carbon monoxide alarm became mandatory for every new stove installation.

 

An alarm is a useful precaution, however, they should  not be regarded as a substitute for proper installation and maintenance of your fossil fuel-burning appliances.

My chimney has been taken down to below roof level, can i still have a stove installed?

It is quite common to find that a masonry chimney has been lowered or truncated as it is also known.

This does mean that installing a stove will be a little more difficult,however in most cases it is still achievable

by using twin wall insulated flue and an anchor plate from the remainder of the chimney stack upwards.

 

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