How to choose an air compressor — 2026–2027

Updated November 2026. The advice holds for 2027 as well.

A compressor powers air tools — impact wrenches, spray guns, nailers, blow guns — and inflates tyres. You choose the right one by the tool that uses the most air.

Air delivery (l/min)

The key figure is the amount of air per minute. Check your tools’ air consumption and choose a compressor with about 30–50 % in reserve. Note that the intake figure is often quoted; the real output is usually about a third lower. Spray guns, sanders and impact wrenches use a lot of air; nailers and blow guns use little.

Tank and pressure

The tank stores air and smooths the pressure. 24 l is enough for tyres, blowing and a nailer, 50 l for a home workshop, 100 l and up for a garage and spray painting. Most tools run at 6–6.3 bar; a compressor’s maximum is usually 8–10 bar.

Oil or oil-free

Oil-lubricated compressors are quieter, last longer and handle long runs. Oil-free ones are lighter, need no servicing and suit short jobs. Belt-driven compressors wear more slowly than direct-drive ones and are built for daily use.

Air preparation

Spray painting needs a water and oil filter; air tools need a lubricator. A pressure regulator gives each tool the right pressure. Drain the condensate from the tank regularly.

Where to buy in Yerevan

Two Areg Tools shops, 28 Vardanants St and 1 Tigran Mets Ave, and our own service centre at 32 Vardanants St. Delivery in Yerevan in 1–2 working days. Price on request: +374 93 238766.