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Duplex Air Compressors

One of the major concerns for any busy auto repair shop owner, mechanic, or technician is reducing downtime and improving efficiency. Whether you are due for an equipment upgrade or you’re opening a brand-new business, our selection of duplex air compressors offers a wide range of high-quality devices made by BelAire and FSCurtis for optimal performance. Unlike the two-stage air compressor, a duplex air compressor is designed with a set of two, equally sized pumps and motors for extra security in the event of pump or motor failure, repair, or applications that call for varying air usage. Explore our selection today to find the right solution for you, your needs, and your budget.

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BelAire 3312D 2 x 5 HP 120G Horizontal Two Stage Three Phase Electric Duplex Air Compressor P/N 8090250018 BelAire 3312D 2 x 5HP 120G 2-Stage H Elec Duplex Air Compressor

BelAire 3312D 2 x 5 HP 120G Horizontal Two Stage Three Phase Electric Duplex Air Compressor P/N 8090250018

List Price: $7,110.00
: $5,989.46
elAire 3112D 2 x 5 HP 120 Gal. Horizontal Two Stage Single Phase Electric Duplex Air Compressor P/N 8090250005 BelAire 3112D 2 x 5HP 120G 2-Stage H Elec Duplex Air Compressor

BelAire 3112D 2 x 5 HP 120 Gal. Horizontal Two Stage Single Phase Electric Duplex Air Compressor P/N 8090250005

List Price: $7,320.00
: $6,166.37
BelAire 3312D4 2 x 5HP 120G Horizontal Two Stage Three Phase Electric Duplex Air Compressor P/N 8090250019 BelAire 3312D4 2 x 5HP 120G 2-Stage H Elec Duplex Air Compressor

BelAire 3312D4 2 x 5HP 120G Horizontal Two Stage Three Phase Electric Duplex Air Compressor P/N 8090250019

List Price: $7,420.00
: $6,250.61
BelAire 3312DL 2 x 7.5 HP 120G Horizontal Two Stage Three Phase Electric Duplex Air Compressor P/N 8090250020 BelAire 3312DL 2 x 7.5HP 120G H2-Stage Elec Duplex Air Compressor

BelAire 3312DL 2 x 7.5 HP 120G Horizontal Two Stage Three Phase Electric Duplex Air Compressor P/N 8090250020

List Price: $7,813.00
: $6,581.95
BelAire 3312DL4 2 x 7.5HP 120G Horizontal Two Stage Three Phase Electric Duplex Air Compressor P/N 8090250021 BelAire 3312DL4 2 x 7.5HP 120G H 2-Stage Elec Duplex Air Compressor

BelAire 3312DL4 2 x 7.5HP 120G Horizontal Two Stage Three Phase Electric Duplex Air Compressor P/N 8090250021

List Price: $7,813.00
: $6,581.95
BelAire 3112DL 2 x 7.5 HP 120G Horizontal Two Stage Single Phase Electric Duplex Air Compressor P/N 8090250006 BelAire 3112DL 2 x 7.5HP 120G H 2-Stage Elec Duplex Air Compressor

BelAire 3112DL 2 x 7.5 HP 120G Horizontal Two Stage Single Phase Electric Duplex Air Compressor P/N 8090250006

List Price: $7,813.00
: $6,851.95
FS-Curtis CA15 120-Gallon Simplex 15HP Ultra Pack Horizontal Air Compressor w/Magnetic Motor Starter (3/60/200-208V - FCA15E15H1U-D9L1XX, 3/60/230V - FCA15E15H1U-D3L1XX, 3/60/460V - FCA15E15H1U-D4L1XX) FS-Curtis CA15 120G Simplex 15HP Horizontal Ultra Pack Air Compressor

FS-Curtis CA15 120-Gallon Simplex 15HP Ultra Pack Horizontal Air Compressor w/Magnetic Motor Starter (3/60/200-208V - FCA15E15H1U-D9L1XX, 3/60/230V - FCA15E15H1U-D3L1XX, 3/60/460V - FCA15E15H1U-D4L1XX)

made in USA

List Price: $10,103.00
: $7,678.28
BelAire 6312D 2 x 10HP 120G Iron Series Three Phase Electric Air Compressor P/N 8090254841 BelAire 6312D 2 x 10HP 120G H Iron Series Elec Air Compressor

BelAire 6312D 2 x 10HP 120G Iron Series Three Phase Electric Air Compressor P/N 8090254841

List Price: $9,704.00
: $8,174.44
BelAire 6312D4 2 x 10HP 120G Iron Series Three Phase Electric Duplex Air Compressor P/N 8090253421 BelAire 6312D4 2 x 10HP 120G H Iron Series Elec Duplex Air Compressor

BelAire 6312D4 2 x 10HP 120G Iron Series Three Phase Electric Duplex Air Compressor P/N 8090253421

List Price: $9,074.00
: $8,174.44
FS-Curtis CA5+ 120-Gallon Duplex 5(2)HP Electric Air Compressor  (1/60/230V - FCA05E57D1S-A2L1XX, 3/60/200-208V - FCA05E57D1S-A9L1XX, 3/60/230V - FCA05E57D1S-A3L1XX, 3/60/460V - FCA05E57D1S-A4L1XX) FS-Curtis CA5+ 120G Duplex 5(2)HP Electric Air Compressor

FS-Curtis CA5+ 120-Gallon Duplex 5(2)HP Electric Air Compressor (1/60/230V - FCA05E57D1S-A2L1XX, 3/60/200-208V - FCA05E57D1S-A9L1XX, 3/60/230V - FCA05E57D1S-A3L1XX, 3/60/460V - FCA05E57D1S-A4L1XX)

made in USA

List Price: $11,414.00
: $8,674.64
BelAire 6320D 2 x 10HP 200G Iron Series Three Phase Electric Duplex Air Compressor P/N 8090253439 BelAire 6320D 2 x 10HP 200G H Iron Series ElecDuplex Air Compressor

BelAire 6320D 2 x 10HP 200G Iron Series Three Phase Electric Duplex Air Compressor P/N 8090253439

List Price: $10,327.00
: $8,699.86
BelAire 6320D4 2 x 10HP 200G Iron Series Three Phase Electric Duplex Air Compressor P/N 8090253447 BelAire 6320D4 2 x 10HP 200G H Iron Series Elec Duplex Air Compressor

BelAire 6320D4 2 x 10HP 200G Iron Series Three Phase Electric Duplex Air Compressor P/N 8090253447

List Price: $10,627.00
: $8,952.58
FS-Curtis CA7.5 120-Gallon Duplex 7.5(2)HP Electric Air Compressor (1/60/230V - FCA07E57D1S-A2L1XX, 3/60/200-208V - FCA07E57D1S-A9L1XX, 3/60/230V - FCA07E57D1S-A3L1XX, 3/60/460V - FCA07E57D1S-A4L1XX) FS-Curtis CA7.5 120G Duplex 7.5(2)HP Electric Air Compressor

FS-Curtis CA7.5 120-Gallon Duplex 7.5(2)HP Electric Air Compressor (1/60/230V - FCA07E57D1S-A2L1XX, 3/60/200-208V - FCA07E57D1S-A9L1XX, 3/60/230V - FCA07E57D1S-A3L1XX, 3/60/460V - FCA07E57D1S-A4L1XX)

made in USA

List Price: $11,844.00
: $9,001.44
FS-Curtis CA5+ 120-Gallon Duplex 5(2)HP Utlra Pack Air Compressor  (1/60/230V - FCA05E57D1S-A2L1XX, 3/60/200-208V - FCA05E57D1U-A9L1XX, 3/60/230V - FCA05E57D1U-A3L1XX, 3/60/460V - FCA05E57D1U-A4L1XX) FS-Curtis CA5+ 120G Duplex 5(2)HP Ultra Pack Air Compressor

FS-Curtis CA5+ 120-Gallon Duplex 5(2)HP Utlra Pack Air Compressor (1/60/230V - FCA05E57D1S-A2L1XX, 3/60/200-208V - FCA05E57D1U-A9L1XX, 3/60/230V - FCA05E57D1U-A3L1XX, 3/60/460V - FCA05E57D1U-A4L1XX)

made in USA

List Price: $13,845.00
: $10,522.20
FS-Curtis CA7.5  120-Gallon Duplex 7.5(2)HP Utlra Pack Air Compressor  (1/60/230V - FCA07E57D1S-A2L1XX, 3/60/200-208V - FCA07E57D1U-A9L1XX, 3/60/230V - FCA07E57D1U-A3L1XX, 3/60/460V - FCA07E57D1U-A4L1XX) FS-Curtis CA7.5 120G Duplex 7.5(2)HP Ultra Pack Air Compressor

FS-Curtis CA7.5 120-Gallon Duplex 7.5(2)HP Utlra Pack Air Compressor (1/60/230V - FCA07E57D1S-A2L1XX, 3/60/200-208V - FCA07E57D1U-A9L1XX, 3/60/230V - FCA07E57D1U-A3L1XX, 3/60/460V - FCA07E57D1U-A4L1XX)

made in USA

List Price: $14,119.00
: $10,730.44
FS-Curtis CA10 120-Gallon Duplex 10(2)HP Electric Air Compressor (3/60/200-208V - FCA10E71D1S-A9L1XX, 3/60/230V - FCA07E71D1S-A3L1XX, 3/60/460V - FCA10E71D1S-A4L1XX) FS-Curtis CA10 120G Duplex 10(2)HP Electric Air Compressor

FS-Curtis CA10 120-Gallon Duplex 10(2)HP Electric Air Compressor (3/60/200-208V - FCA10E71D1S-A9L1XX, 3/60/230V - FCA07E71D1S-A3L1XX, 3/60/460V - FCA10E71D1S-A4L1XX)

made in USA

List Price: $14,351.00
: $10,906.76
FS-Curtis ML5 120G 5HP(2) Duplex Tank Mounted Electric Air Compressor w/Magnetic Motor Starter (1/60/230V - FML05D96D1S-A2L1XX, 3/60/200-208V - FML05D96D1S-A9L1XX, 3/60/230V - FML05D96D1S-A3L1XX, 3/60/460V - FML05D96D1S-A4L1XX) FS-Curtis ML5 120G 5HP(2) Duplex Tank Mounted Electric Air Compressor

FS-Curtis ML5 120G 5HP(2) Duplex Tank Mounted Electric Air Compressor w/Magnetic Motor Starter (1/60/230V - FML05D96D1S-A2L1XX, 3/60/200-208V - FML05D96D1S-A9L1XX, 3/60/230V - FML05D96D1S-A3L1XX, 3/60/460V - FML05D96D1S-A4L1XX)

made in USA

List Price: $15,856.00
: $12,050.56
FS-Curtis CA10 CA10 120-Gallon Duplex 10(2)HP Utlra Pack Air Compressor (3/60/200-208V - FCA10E71D1U-A9L1XX, 3/60/230V - FCA10E71D1U-A3L1XX, 3/60/460V - FCA10E71D1U-A4L1XX) FS-Curtis CA10 120G Duplex 10(2)HP Ultra Pack Air Compressor

FS-Curtis CA10 120-Gallon Duplex 10(2)HP Utlra Pack Air Compressor (3/60/200-208V - FCA10E71D1U-A9L1XX, 3/60/230V - FCA10E71D1U-A3L1XX, 3/60/460V - FCA10E71D1U-A4L1XX)

made in USA

List Price: $16,405.00
: $12,467.80
FS-Curtis ML7.5 200G 7.5HP(2) Duplex Tank Mounted Electric Air Compressor w/Magnetic Motor Starter (1/60/230V - FML07C79D1S-A2L1XX, 3/60/200-208V - FML07C79D1S-A9L1XX, 3/60/230V - FML07C79D1S-A3L1XX, 3/60/460V - FML07C79D1S-A4L1XX) FS-Curtis ML7.5 200G 7.5HP(2) Duplex Tank Mounted Electric Air Compressor

FS-Curtis ML7.5 200G 7.5HP(2) Duplex Tank Mounted Electric Air Compressor w/Magnetic Motor Starter (1/60/230V - FML07C79D1S-A2L1XX, 3/60/200-208V - FML07C79D1S-A9L1XX, 3/60/230V - FML07C79D1S-A3L1XX, 3/60/460V - FML07C79D1S-A4L1XX)

made in USA

List Price: $18,690.00
: $14,204.40
FS-Curtis OL5 Duplex Tank-Mounted 5HP 120-Gallon Oil-less Air Compressors (230V or 460V 3-Phase) FS-Curtis OL5 Duplex 5HP 120G Oil-less Air Compressors

FS-Curtis OL5 Duplex Tank-Mounted 5HP 120-Gallon Oil-less Air Compressors 3-Phase (230V FOL05W50D1S-A3H1XX or 460V FOL05W50D1S-A4H1XX)

made in USA

List Price: $21,115.00
: $16,047.00
FS-Curtis OL7.5 Duplex Tank-Mounted 7.5HP 120-Gallon Oil-less Air Compressors (230V or 460V 3-Phase) FS-Curtis OL7.5 Duplex 7.5HP 120G Oil-less Air Compressors

FS-Curtis OL7.5 Duplex Tank-Mounted 7.5HP 120-Gallon Oil-less Air Compressors 3-Phase (230V FOL07W75H1S-A3D1XX or 460V FOL07W75D1S-A4H1XX)

made in USA

List Price: $23,618.00
: $17,949.68
FS-Curtis ML10 200G 10HP(2) Duplex Tank Mounted Electric Air Compressor w/Magnetic Motor Starter (3/60/200-208V - FML10D97D2S-A9L1XX, 3/60/230V - FML10D97D2S-A3L1XX, 3/60/460V - FML10D97D2S-A4L1XX) FS-Curtis ML10 200G 10HP(2) Duplex Tank Mounted Electric Air Compressor

FS-Curtis ML10 200G 10HP(2) Duplex Tank Mounted Electric Air Compressor w/Magnetic Motor Starter (3/60/200-208V - FML10D97D2S-A9L1XX, 3/60/230V - FML10D97D2S-A3L1XX, 3/60/460V - FML10D97D2S-A4L1XX)

made in USA

List Price: $25,504.00
: $19,383.04
FS-Curtis ML15+ 200G 15HP(2) Duplex Tank Mounted Electric Air Compressor w/Magnetic Motor Starter (3/60/200-208V - FML15C89D2S-A9L1XX, 3/60/230V - FML15C89D2S-A3L1XX, 3/60/460V - FML15C89D2S-A4L1XX) FS-Curtis ML15+ 200G 15HP(2) Duplex Tank Mounted Electric Air Compressor

FS-Curtis ML15+ 200G 15HP(2) Duplex Tank Mounted Electric Air Compressor w/Magnetic Motor Starter (3/60/200-208V - FML15C89D2S-A9L1XX, 3/60/230V - FML15C89D2S-A3L1XX, 3/60/460V - FML15C89D2S-A4L1XX)

made in USA

List Price: $25,854.00
: $19,649.04
FS-Curtis OL10 Duplex Tank-Mounted 10HP 200-Gallon Oil-less Air Compressors (230V or 460V 3-Phase) FS-Curtis OL10 Duplex 10HP 200G Oil-less Air Compressors

FS-Curtis OL10 Duplex Tank-Mounted 10HP 200-Gallon Oil-less Air Compressors 3-Phase (230V FOL10W10D2S-A3H1XX or 460VFOL10W10D2S-A4H1XX)

made in USA

List Price: $29,377.00
: $22,326.52
FS-Curtis OL15 Duplex Tank-Mounted 15HP 200-Gallon Oil-less Air Compressors (230V or 460V 3-Phase) FS-Curtis OL15 Duplex 15HP 200G Oil-less Air Compressors

FS-Curtis OL15 Duplex Tank-Mounted 15HP 200-Gallon Oil-less Air Compressors 3-Phase (230V FOL15W15D2S-A3H1XX or 460V FOL15W15D2S-A4H1XX)

made in USA

List Price: $34,314.00
: $26,078.64
FS-Curtis ML20+ 240G 20HP(2) Duplex Tank Mounted Electric Air Compressor w/Magnetic Motor Starter (3/60/200-208V - FML20C98D4S-A9L1XX, 3/60/230V - FML20C98D4S-A3L1XX, 3/60/460V - FML20C98D4S-A4L1XX) FS-Curtis ML20+ 240G 20HP(2) Duplex Tank Mounted Electric Air Compressor

FS-Curtis ML20+ 200G 20HP(2) Duplex Tank Mounted Electric Air Compressor w/Magnetic Motor Starter (3/60/200-208V - FML20C98D4S-A9L1XX, 3/60/230V - FML20C98D4S-A3L1XX, 3/60/460V - FML20C98D4S-A4L1XX)

made in USA

List Price: $41,607.00
: $31,621.32
FS-Curtis ML25 240G 25HP(2) Duplex Tank Mounted Electric Air Compressor w/Magnetic Motor Starter (3/60/200-208V - FML25C98D4S-A9L1XX, 3/60/230V - FML25C98D4S-A3L1XX, 3/60/460V - FML25C98D4S-A4L1XX) FS-Curtis ML25 240G 25HP(2) Duplex Tank Mounted Electric Air Compressor

FS-Curtis ML25 240G 25HP(2) Duplex Tank Mounted Electric Air Compressor w/Magnetic Motor Starter (3/60/200-208V - FML25C98D4S-A9L1XX, 3/60/230V - FML25C98D4S-A3L1XX, 3/60/460V - FML25C98D4S-A4L1XX)

made in USA

List Price: $41,952.00
: $31,883.52
FS-Curtis ML30 240G 30HP(2) Duplex Tank Mounted Electric Air Compressor w/Magnetic Motor Starter (3/60/200-208V - FML25C98D4S-A9L1XX, 3/60/230V - FML25C98D4S-A3L1XX, 3/60/460V - FML25C98D4S-A4L1XX) FS-Curtis ML30 240G 30HP(2) Duplex Tank Mounted Electric Air Compressor

FS-Curtis ML30 240G 30HP(2) Duplex Tank Mounted Electric Air Compressor w/Magnetic Motor Starter (3/60/200-208V - FML25C98D4S-A9L1XX, 3/60/230V - FML25C98D4S-A3L1XX, 3/60/460V - FML25C98D4S-A4L1XX)

made in USA

List Price: $47,893.00
: $36,398.68
   
 

Duplex air compressors have everything you need to tackle both low and high demand jobs. Due to the dual-motor design, the horsepower rating for any of the compressors we carry will always reflect the combined horsepower of both motors. For example, a compressor with two 5HP motors will have an overall rating of 10HP. One of the greatest advantages to choosing a duplex air compressor for your professional repair shop or garage is that you can continue with any project even if one motor or pump fails. Moreover, a duplex compressor is an ideal alternative when you don’t have access to three-phase electrical service.

Our selection of duplex air compressors includes standard and elite models, but each unit we carry features all cast iron construction for long-lasting performance, magnetic starters, dual pressure switch controls, alternators, large tanks, and so much more. We offer motors ranging from five to 20HP in single or three-phase electric options. FSCurtis models are environmentally friendly with no oil vapor generated by the compressor, eliminating oil changes and disposal costs down the road. BelAire models are factory tested at full pressure to ensure satisfaction and running quality.

When you shop at Best Buy Auto Equipment for your next air compressor, you can also expect automotive-style rod bearings, wrist pins, concentric ring valves, splash lubrication, finned coolers, two-year warranties, ASME certifications, and other great benefits. If you have any questions about our inventory, shipping, or need help finding the right solution for odd jobs and your pneumatic tools, contact us today for further assistance.