US Dollars
Choosing the Right Horsepower for Your Shop
The 5-18 HP range represents the sweet spot for most automotive service facilities, small to medium manufacturing operations, and professional workshops. When selecting your compressor, consider your air consumption needs: a 5-7.5 HP unit typically suits smaller shops with 1-3 technicians running basic pneumatic tools, while 10-15 HP models handle busier operations with multiple air tools operating simultaneously. Shops running spray booths, sandblasters, or high-volume tire services generally benefit from 15-18 HP configurations to maintain consistent pressure during peak demand periods.
Understanding Tank Sizes and Air Delivery
Tank capacity works hand-in-hand with horsepower to determine your compressor's effectiveness. Models in this category typically range from 60-gallon to 132-gallon horizontal receivers. Larger tanks provide greater air reserve capacity, reducing cycle frequency and extending compressor life. A 60-80 gallon tank generally pairs well with 5-10 HP units for intermittent tool use, while 120+ gallon tanks complement 15-18 HP systems where sustained airflow is critical. Consider that actual air delivery (measured in ACFM or SCFM) at your required PSI matters more than tank size alone—rotary screw compressors deliver consistent flow rates that keep tools performing at optimal levels.
Single-Phase vs. Three-Phase Power Considerations
Electrical requirements represent a crucial planning factor before purchase. Single-phase compressors (typically available in 5-7.5 HP configurations) plug into standard 230V power found in most smaller facilities, making installation straightforward and cost-effective. Three-phase units (common in 7.5 HP and up) require 208-230/460V three-phase service, which offers better efficiency and lower operating costs but necessitates appropriate electrical infrastructure. Verify your facility's electrical capacity with a qualified electrician before ordering, as upgrading to three-phase power involves significant expense but pays dividends in long-term energy savings and motor longevity.
Integrated Air Dryers: When You Need Them
Moisture control is essential for protecting tools, paint jobs, and pneumatic systems from corrosion and contamination. Some models in this range offer integrated refrigerated air dryers, while others require separate dryer installation. Automotive paint and body shops should prioritize dryer-equipped systems or plan for aftermarket dryer integration, as moisture-free air prevents paint defects and ensures proper tool function. General repair facilities may initially operate without dryers but often benefit from adding them as quality standards increase. Dryers typically add to the initial investment but eliminate costly callbacks and tool repairs caused by water-contaminated air.
Installation and Maintenance Requirements
Proper installation maximizes compressor performance and service life. Rotary screw compressors in this class generally require a solid, level concrete pad or reinforced floor capable of supporting 450-900 pounds depending on configuration. Adequate ventilation is critical—these units draw substantial ambient air for cooling and require clearance specifications that vary by manufacturer. Plan for regular maintenance intervals including air/oil separator element changes, oil filter replacements, and lubricant changes, typically needed every 2,000-8,000 operating hours depending on model and operating conditions. Many units feature hour meters and maintenance reminder systems to simplify service scheduling.
Note on Electrical Requirements: All three-phase compressors require appropriate three-phase electrical service. Attempting to operate three-phase equipment on single-phase power through converters may void warranties and cause equipment damage. Always confirm your facility's electrical capacity matches the compressor's requirements before ordering.
Specifications vary by model. Always check individual product listings and manufacturer documentation for exact details regarding horsepower ratings, tank capacities, electrical requirements, air delivery rates, and dimensional specifications.
5-18 HP Rotary Screw Compressors
Whether you run a small professional garage or a large industrial operation, you have come to the right place. Best Buy Auto Equipment specializes in supplying quality devices and equipment at prices you can afford. Explore our selection of 5-18 HP rotary screw air compressors today to upgrade from your piston-style air compressors and maximize efficiency. Our selection includes high-performance models made by FSCurtis, BelAire, BendPak, Ingersoll Rand, and other trusted brands. Better yet, we offer interest-free financing for up to six months and free shipping on select models. Browse our inventory today to learn more! Stable air pressure, steady airflow and quieter, continuous-duty operation are just a few of the advantages you get by investing in a rotary screw compressor.
Our selection of 5-18 HP rotary screw air compressors includes smart, compact units that offer better air quality with less oil carryover than reciprocating models. Intuitive controls and diagnostics make them easy to use and service, so you enjoy a reliable machine that can run 100 percent continuously. Expect more airflow and better efficiency while saving on valuable space in your shop, garage, or warehouse. We proudly offer rotary screw models that are ideal for automotive, light industrial, and similar jobs that require reliable performance in demanding conditions. Compact in design and robust in power, you gain quiet operation for a wide variety of applications.
Stop receiving noise complaints from neighboring business or homes by exploring our selection of quiet 5-18 HP rotary screw air compressors. Integration of centrifugal blower and drive motors as well as extra-thick sound insulation make for extremely smooth, noiseless operation. Best of all, smart compressor layouts with intelligent component selection are ideal for energy efficiency and can increase service life up to 50 percent longer for motors, electrical components, bearings, hoses, and seals. You can also expect tri-voltage motors, UL and UL-C-approved control panels, and so much more.
Shop from our selection of 5-18 HP rotary screw air compressors today to enjoy extended service intervals, improved air quality, energy efficiency, and space-saving designs. If you have any questions about our financing options or which products qualify for free shipping, simply contact a member of our team and we will help you every step of the way.
WARNING: These products can expose you to metals/chemicals including gas or diesel fumes, which is [are] known to the State of California to cause cancer, and gas or diesel fumes, which is [are] known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov