Wall Air Vents For Gas Fires

Hello if your gas fire is what we call a decorative basket effect gas fire then automatically gas regulations state a 100mm ventilation hole through the wall directly to outside air if the fire is classed as an inset or surface mounted gas fire and as soon as it is rated over 7killowatts of power then you will also need ventilation direct to outside the reason for this is that potentially.

Wall air vents for gas fires.

One to get rid of the combustion products which are very dangerous. This is not the official energy efficiency rating of the fireplace that is 100 the sap rating of 90 is greater than any other style of fireplace when installed in a new build property. The major price difference between the two types of fireplaces is with venting. Unless you have a special type of flueless fire.

If you don t have this your fire will create large quantities of dangerous fumes. On a normal gas fire you need two vents. The regulation states that due to the air vent in the same room as the appliance the gas fire must be rated at 90 not 100. One that expels gasses and another that draws in fresh air from the outside.

You need another to supply fresh air to the fire to get correct combustion. However many direct vent fireplaces are vented with a single two chamber vent pipe. Direct vent gas fireplaces require two vents in the back. The purpose of a ventilator is to protect from rain vermin etc.

Gas fires less than 7kw no air vent chimney precast flue liner cvo fire 2020 05 07t23 26 00 01 00 chimney gas fires 7kw. Superior fires air vents are a necessity to have a complete fully functioning flueless gas fire or gas stove.