To meet the needs of your project site, United Rentals' fleet of air compressors for rent offers a variety of CFM (cubic feet per minute) and PSI (pounds per square inch) ratings, sizes and power types (gas, diesel or electric). Air compressors provide efficiency and productivity to jobsites. Larger compressors in the 1,300 to 1,800 CFM range are ideal for industrial, construction and mining applications, while smaller portable air compressors in the 3-5 CFM range or 5-7 CFM range are ideal for compact jobsites such as homes and gardens. With several towable models built to endure the rigors of construction or industrial jobsites, these compressors are convenient options where air is needed for inflating, clearing, cleaning or powering tools. Let United Rental supply you with the best equipment for the best job outcomes.

FAQs About Air Compressors

What size air compressor do I need for air tools?

• The amount of PSI needed for air tools depends on whether the air compressor is portable or stationary as well as the size of the air tool. On average, air tools used with portable air compressors typically require 0 to 5 cubic feet per minute (CFM) at 70 to 90 PSI, and tools connected to stationary air compressor systems typically exceed 10 CFM at 100 to 120 PSI. Learn more with What Size Air Compressor Do I Need?

Can I use motor oil in an air compressor?

• Motor oil has a specific weight for designated uses. Only use the oil the manufacturer recommends for that compressor. Each pneumatic air tool has its own CFM requirement that can be found in the owner’s manual.

How often does the oil need to be changed in an air compressor?

• It depends on the type of air compressor you have. For rotary air compressors, you should change the oil every 7,000 to 8,000 hours. The reciprocating air compressor requires an oil change every three months.