At (74-decibels) the Thomas T-2820ST is the quietest 2 HP contractor grade compressor on the market. Delivering 5 cfm at 100 psi it is also the highest output 2 HP compressor available. Its unique 2-cylinder in-line design is one of a kind and is unmatched for smoothness and balance. A solid state start switch and 5-Year Electrical Warranty are also Thomas exclusives and not offered anywhere else. At 13.5 amps it starts effortlessly on 15 amp circuits...