Fireplace heating effect How to know

Hello, the effect of fireplace heating,

Power it is far greater than all types of air conditioning heating,

It is mainly through the burning of wood or compressed wood to achieve the heating, in the minus 10 degrees Celsius temperatures,

40~100 square meters of the house,

such as ignition for about 10 minutes,

Can be made to the indoor temperature rose to 20 degrees!

The heat transfer from the fireplace above is just like the sun,

generally it is mainly the heat generated by thermal radiation and natural convection.