15 HP Air Compressors for Sale

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CompressorPros carries 15 HP air compressors built for production shops, fabrication floors, and facilities running heavier air demand. This category serves buyers matching motor power to sustained CFM output across rotary screw, reciprocating, and oil-free designs. Browse three phase and variable speed configurations, all shipping free, direct from the manufacturer.

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What Are 15 HP Air Compressors?

A 15 HP air compressor sits at the threshold where shop equipment becomes genuinely industrial, delivering the sustained airflow needed to run multiple stations, heavier duty tools, or a production processes. At this power level, machines are almost always three phase, and buyers are typically supplying a whole shop rather than a single tool. Fabrication shops, automotive service centers, and manufacturing facilities are the common users, and this category spans rotary screw units like the Quincy QGS 15 TMD-3 with Dryer through heavy reciprocating machines such as the Quincy 4153DS12HCA46 QT PRO Two Stage.

Rotary Screw vs. Reciprocating at 15 HP

The most consequential decision at this horsepower is pump technology, because 15 HP is where rotary screw becomes the more common choice.

Rotary screw compressors use two rotors to compress air continuously, allowing a 100 percent duty cycle. They run quieter, produce cooler air, and hold steady pressure under sustained draw, which suits shops where the compressor runs most of the working day. The Elgi EN11-150 Rotary Screw and the Chicago Pneumatic QRS 15 TM-3 are examples of this group.

Reciprocating compressors use pistons and typically run a 50 to 75 percent duty cycle, needing time to cool between cycles. They generally cost less upfront and often pair with a large tank to buffer demand. Two stage models can each higher pressure, generally around 175 psi, which is useful where working pressure matters more than continuous run time.

The practical test is duty cycle. If your shop draws air steadily for hours, rotary screw is usually the better fit. If demand comes in bursts with recovery time between, a reciprocating unit can serve well at lower cost.

Types of 15 HP Air Compressors

Fixed Speed Rotary Screw

Fixed speed rotary screw compressors run at a constant motor speed and load or unload as pressure demands. They are the standard industrial choice where air demand is relatively steady. The Elgi EG11-125 Base Mount is a base-mount example intended to feed an existing receiver tank.

Variable Speed Rotary Screw

Variable speed drive units adjust motor speed to match actual demand, reducing energy consumption in shops where air use fluctuates through the day. The Schulz SRP 4015 Flex and the EMAX ERV0150001 Single Phase Variable Speed represent this group, with the EMAX notable for single phase operation at this horsepower.

Tank Mounted Packages with Dryer

Tank mounted units combine the compressor, receiver, and often an integrated refrigerated dryer in one package, simplifying installation and delivering treated air from a single connection. The Toledo Tools TT15UP pairs a 120 gallon horizontal tank with integrated air dryer.

Two Stage Reciprocating

Two stage reciprocating machines at 15 HP typically mount on 120 gallon horizontal tanks and reach higher pressure than rotary screw units. The Industrial Gold CI1523E120H-P is a cast iron example built for demanding intermittent duty.

Oil-Free and Medical Grade

Oil-free compressors eliminate the risk of lubricant carryover, which matters for medical, dental, food handling, and finishing applications. The Schulz 15120HW60-3 Oil Free is configured for medical and dental environments.

Duplex Configurations

Duplex units pair two smaller pumps and motors on a shared tank, reaching 15 HP total while providing redundancy and the option to run one pump during light demand. The EMAX EP07DW120V1 combines two 7.5 HP units on single phase power.

Key Specifications To Compare

CFM output: The figure that determines what you can actually run. At 15 HP, expect roughly 50 to 60 CFM depending on design and pressure. Compare CFM at your working PSI, not the headline number.
Voltage and phase: Most 15 HP units require three phase service at 208, 230, or 460 volts. A few single phase options exist, but confirm your available service first.
Maximum pressure (PSI): Commonly 125 or 150 psi on rotary screw, up to about 175 psi on two stage reciprocating.
Duty cycle: Rotary screw supports continuous operation, while reciprocating units need cooling time between cycles.
Tank capacity: Tank mounted packages commonly use 120 gallon or larger receivers. Base mount units require a separate tank.
Integrated air treatment: Some packages include a refrigerated dryer, which saves a separate purchase and installation.

Because a 15 HP unit represents a significant electrical and installation commitment, confirm your available service and air demand before ordering, and consult a licensed electrician about your electrical supply.

Frequently Asked Questions

How much CFM does a 15 HP air compressor produce?
Output generally falls around 50 to 60 CFM depending on design and rated pressure, with rotary screw units typically delivering more usable continuous airflow than reciprocating machines. Always compare CFM at the working PSI you actually run.

Does a 15 HP air compressor need three phase power?
Most do, running on 208, 230, or 460 volt three phase service. A small number of single phase 15 HP units exist, but confirm what service your building has before ordering, since converting is a substantial electrical project.

Should I choose rotary screw or reciprocating at 15 HP?
Rotary screw suits shops drawing air continuously, since it supports a 100 percent duty cycle and runs cooler and quieter. Reciprocating compressors cost less upfront and work well when demand comes in bursts with recovery time between.

What is the most common mistake when buying a 15 HP compressor?
Sizing by horsepower instead of CFM. Two 15 HP machines can deliver noticeably different airflow depending on design and pressure, so match your total tool demand to CFM at your working pressure.

Do I need an air dryer with a 15 HP compressor?
At this output, moisture in the air lines becomes a real problem for tools, finishes, and pneumatic equipment. Some packages include an integrated dryer, or you can pair the unit with a separate compressed air dryer sized to your CFM.

How much space does a 15 HP compressor need?
Rotary screw base mount units are relatively compact but require clearance for airflow and service access, while 120 gallon tank mounted packages need considerably more floor space. Check the product page dimensions against your intended location.

Shop 15 HP Air Compressors at CompressorPros

CompressorPros carries 15 HP air compressors including rotary screw, two stage reciprocating, oil-free, and variable speed configurations to match how your shop actually uses air. If your demand is above or below this level, compare 10 HP and 20 HP air compressors, or browse the full Shop by HP range. All orders ship free, direct from the manufacturer, and our team can help you size a unit or Quote a different option. For help finding the right compressor, Call 803-339-0445 or E-Mail Sales@CompressorPros.com

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15 HP

EMAX Silent Air ESP15V120Y3-208 15 HP 208/230V 3 Phase Air Compressor w/ Silencer

Industrial Gold R153ENC3-CDR 15 HP 208/230 Volt Three Phase Rotary Screw Air Compressor with Dryer

Quincy 451CS80HCB 5 HP PRO, 230 Volt Single Phase, Two Stage, 80 Gallon Horizontal Air Compressor

BelAire 3312DL 2 x 7.5 HP 230 Volt Three Phase Two Stage 50.5 CFM 120 Gallon Duplex Air Compressor

Chicago Pneumatic RCP-C15121D 2 x 7.5 HP 230 Volt Single Phase Two Stage Cast Iron 120 Gallon Duplex Air Compressor

Elgi EN11-125-120T-G2 15 HP 208/230/460 Volt Three Phase Rotary Screw Air Compressor Compressor 120 Gallon Horizontal Tank Mount with Dryer- 125 psi

Quincy 4103DS12HCB46 10 HP PRO, 460 Volt Three Phase, Two Stage, 120 Gallon Horizontal Air Compressor

Quincy QP 571CS80HCA 7.5 HP PRO, 230 Volt Single Phase, Two Stage, 80 Gallon Horizontal Air Compressor

Schulz 15120HW60X-3 15 HP 460 Volt 3 Phase 60 CFM 120 Gallon Air Compressor

BelAire 4112DL 2x7.5 HP 230 Volt Single Phase Two Stage Cast Iron 120 Gallon Duplex Air Compressor

BelAire 6320D4 2 x 10 HP Duplex 460 Volt 3 Phase 200 Gallon Duplex Air Compressor

Chicago Pneumatic QRS 15 TM-3 15 HP Rotary Screw Compressor

What Are 15 HP Air Compressors?

Rotary Screw vs. Reciprocating at 15 HP

Types of 15 HP Air Compressors

Fixed Speed Rotary Screw

Variable Speed Rotary Screw

Tank Mounted Packages with Dryer

Two Stage Reciprocating

Oil-Free and Medical Grade

Duplex Configurations

Key Specifications To Compare

Frequently Asked Questions

Shop 15 HP Air Compressors at CompressorPros