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Some firewood is harvested in "woodlots" managed for that purpose, but in heavily wooded areas it is more usually harvested as a byproduct of natural forests. Deadfall that has not started to rot is preferred, since it is already partly seasoned. Standing dead timber is considered better still, as it is both seasoned, and has less rot. Harvesting this form of timber reduces the speed and intensity of bushfires. Harvesting timber for firewood is normally carried out by hand with chainsaws. Thus, longer pieces - requiring less manual labour, and less chainsaw fuel - are less expensive and only limited by the size of their firebox. Prices also vary considerably with the distance from wood lots, and quality of the wood.

Firewood usually relates to timber or trees unsuitable for building or construction. Firewood is a renewable resource provided the consumption rate is controlled to sustainable levels. The shortage of suitable firewood in some places has seen local populations damaging huge tracts of bush thus leading to further desertification.

Contents 1 Measurement of firewood 1.1 Cord 1.2 1/3rd cord or face cord 2 How to buy firewood 3 Seasoned firewood 4 How to stack firewood 5 Resources 6 See also

In the metric system, firewood is normally sold by the stere (1 m³ = ~0.276 cords).

In the United States, firewood is usually sold by the cord, 128 ft³ (3.62 m³), corresponding to a woodpile 8 ft wide × 4 ft high of 4 ft-long logs. The cord is legally defined by statute in most states.

It is also common to see wood sold by the "face cord", which is usually not legally defined, and varies from one area to another. For example, in one state a pile of wood 8 feet wide × 4 feet high of 16"-long logs will often be sold as a "face cord", though its volume is only one-third of a cord. In another state, or even another area of the same state, the volume of a face cord may be considerably different. Hence, it is risky to buy wood sold in this manner, as the transaction is not based on a legally enforceable unit of measure.

In Australia, it is normally sold by the tonne.

The only measurement of firewood that is regulated is a cord. All other measurements including 1/3 cord, half cord, and truckloads are not regulated. Also, firewood can either be seasoned or unseasoned and that can affect the price.

Firewood needs to be seasoned for 8 months, so the best time to buy firewood would be in the spring. It is also the cheapest time to buy firewood. The term seasoned is not regulated, so a reseller can claim that they are selling seasoned firewood, but it may not be seasoned for a full 8 months.

Using 4 mil plastic it is possible to create a greenhouse affect and decrease the amount of time needed to season the firewood. See the link below.

There are several methods for stacking firewood.

Under a roof: If there are no concerns about the wood being subjected to rain, snow, or run-off, the methods for stacking depend on the structure and layout desired. Whether split, or in 'rounds' (flush-cut and unsplit segments of logs), the wood should be stacked lengthwise, which is the most stable and practical method.

Outdoors: Firewood should be stacked with the bark facing upwards. This allows the water to drain off, and standing frost, ice, or snow to be kept from the wood. When possible, a tarp or water-proof cover may be placed over the top of the pile. This can be a large piece of plywood or an oiled canvas cloth.

• Storing and drying firewood

• Wood fuel#Firewood