Density and water content.
Burn rate of hardwood.
The cost of fuel oil or the cu.
Of natural gas at today s prices.
I burn about 12 cords a year using a wood boiler heating house and.
Thick samples of redwood southern pine red oak and basswood were tested in a heat release rate calorimeter.
The denser and drier the firewood the better it will burn and the more heat it can produce.
Overall hardwood vs softwood.
It s important to choose a good quality hardwood.
I will burn some of the lesser wood ie.
In order to get the most heat from your firewood the moisture content should be 20 or less.
In this range burning rate increased linearly with heat flux.
What makes some types of firewood better for burning than others.
I don t bother with cottonwood as a fuel source.
Besides kindling softwoods are great for campfires because they burn quickly and produce a nice large flame.
This is also the order i would rate them.
Results on ignitability and average beat release mass loss and charring rates are reported for a heat flux range between 15 and 55 kw m 2.
It comes down to two factors.
Successful wood burning starts with choosing the right wood for the job.
Each species of wood will burn and dry differently because each has it s own density and moisture content.
While some woods naturally smolder for hours others burn out quickly leaving you struggling to.
When comparing hardwoods vs softwoods it s the density of the wood that makes all the difference.
Firewood guide to btu ratings.
They also work great when mixed with hardwood to help freshen up a slow burning fire.