Chainsaws comes under the power tool category and some points are to be considered before buying your favorite brand. Basically, the chainsaw is selected depending on the type of work and most chainsaw buyers make the mistake of either buying too powerful or too ineffective chainsaw. The best way to overcome it is to ask an expert exactly what saw work you require and how frequently you are likely to use a chainsaw.There are two types of chainsaws: gasoline-powered and electric. For those who intend to use chainsaws on regular basis gasoline-powered chainsaw is best suited for them. The best advantage of using a gasoline-powered chainsaw is that it has mobility in use and is perfect for heavy-duty work. Disadvantages include the bother and smell of mixing oil and gas, pull cord starting and the additional overall maintenance needed. Electric chainsaws are popular among the urbanites as for the starters they are light weighted quieter than gas saws and easy to handle. However, they have less power than gasoline-powered saws. They also add the bother of dragging a cord around behind you. Pole saws are also available in both gas and electric versions. Other important points to consider are the bar length as standard bar lengths for saws are 14", 16", 18" and 20", engine displacement, chain pitch and chain gauge as well as the brand.