Chainsaws for Cutting Firewood: Power Type, Bar Length, and Safety Gear

For cutting firewood, the best chainsaw is one with a 16 to 20 inch bar, enough power to cut through hardwood without bogging down, and a weight you can handle for a full afternoon. Gas saws still lead for heavy, continuous work, while battery models are quieter and easier to start for lighter loads. Safety gear is not optional with any of them.

Gas, Battery, or Corded

The power source shapes everything else. Gas saws deliver the most sustained power and go anywhere, but they are louder, heavier, and need fuel mixing and more maintenance. Battery saws start instantly, run quieter, and need less upkeep, though runtime depends on battery capacity and the wood you are cutting. Corded electric saws are light and cheap but tied to an outlet, which limits them to the woodpile near your house.

If you process several cords per year, a mid-size gas chainsaw with an 18 inch bar is a common workhorse choice. For a small amount of cutting, a battery saw may be enough.

Choosing Bar Length and Engine Size

Bar length should match the wood. A general rule is to choose a bar slightly longer than the thickest log you routinely cut, though a longer bar adds weight and kickback risk. For most firewood, 16 to 20 inches covers typical logs. Gas engines are rated in cubic centimeters; many firewood saws sit in the 40 to 60 cc range, which balances power and weight. Higher cc adds torque for dense hardwoods like oak, but it is heavier to carry.

• Chain pitch and gauge: Must match the bar when buying replacements.
• Anti-vibration system: Reduces fatigue and strain on your hands.
• Chain brake: A critical safety feature; test it before each use.
• Tool-less chain tensioning: Makes adjustments in the field simpler.
• Oiler: Check that the automatic oiler works, as a dry chain wears quickly.

Safety Gear You Need

Chainsaws are dangerous tools, and the right equipment greatly lowers risk. At minimum, use chainsaw chaps or pants, a helmet with face shield, hearing protection, sturdy gloves, and cut-resistant boots. Ensure you have first aid supplies and a clear plan for emergencies. If you are new, consider a training class or an experienced mentor, and read the manual before starting. A good chainsaw safety helmet with face shield and ear protection is a worthwhile purchase alongside the saw.

Avoid cutting above shoulder height, never cut with the tip, and keep a firm two-handed grip. Be aware of kickback, and keep bystanders at a safe distance. Do not use a saw when tired.

Maintenance That Pays Off

1. Sharpen the chain regularly; a dull chain makes sawdust instead of chips and demands more force.
2. Check and adjust chain tension before each session.
3. Keep the bar groove clean and flip the bar occasionally for even wear.
4. Clean the air filter and spark plug on gas models.
5. Use fresh fuel and the correct oil mix, and store saws with the tank emptied or treated.

A basic chainsaw sharpening kit with file guide lets you touch up the chain in the field.

Work Smarter With Firewood

Cut logs to length based on your stove or fireplace, commonly 16 inches, and keep the cutting area clear. A sawbuck or log jack speeds up bucking and keeps the chain out of the dirt. Season wood for several months to a year before burning to reduce moisture. Always keep a fire extinguisher nearby when working with fuel, and follow local rules about cutting on public land.

Buying Tips and Budget

Price scales with power and build quality. Entry-level gas saws are fine for a few cords a year, while professional-grade saws cost more but tolerate daily use. Buy from a dealer that offers service, since carburetor adjustments, chain replacement, and warranty claims are easier with a local shop. For battery saws, remember that the battery and charger are a large part of the cost, and sharing a battery platform with other tools can save money.

Try the saw if possible. Weight, balance, and handle fit matter over hours of work. Make sure you can reach the controls with gloves on and that the chain brake engages with a firm, positive motion. Keep the manual handy, learn the fueling and oil routine, and store gas in an approved container away from heat sources.

Finally, plan your cutting. Work with the wood’s natural lean, watch for pinched bars, and use wedges when needed. Take breaks to avoid fatigue, since most accidents happen when people rush or tire.

Store the saw in a dry place with the bar cover on, and keep spare chains, bar oil, and a scrench (combination tool) in a small kit. Having the basics ready means a dull chain is a ten-minute fix instead of a lost afternoon.

Frequently Asked Questions

What size chainsaw do I need for firewood?

For most home use, a 16 to 20 inch bar with a 40 to 55 cc gas engine or a high-capacity battery equivalent is typical.

Are battery chainsaws strong enough?

For small logs and occasional use, yes. For large volumes of dense hardwood, gas usually keeps going longer.

How often should I sharpen?

Whenever cutting slows or sawdust turns fine and powdery. Many users touch up the chain at each refueling or battery swap.