Air Compressors

Atlas Copco Air Compressors

As official distributors for Atlas Copco, at Design Air Scotland we pride ourselves on offering compressors that are extremely energy efficient and with a reputation for reliability and robust construction.

By investing a little extra in a more energy efficient and reliable compressor, you can save a significant amount of money in electrical running costs and reduced down time.

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Atlas Copco Air Compressors From Design Air Scotland

Lowest Total Cost of Ownership

As you will likely keep your new Air Compressor for at least 7 – 10 years, around 80-90% of your total cost of ownership in this period will be in electrical energy costs.

Atlas Copco Air Compressors are extremely efficient and typically have the lowest total cost of ownership when factoring in initial purchase price, electrical running costs and maintenance costs.

By investing a little more upfront for one of Atlas Copco’s Premium Efficiency Air Compressors, you will likely spend less over the lifespan of the equipment.

Air Compressor Financing Options

At Design Air Scotland, we can be flexible to meet your payment requirements. We appreciate that purchasing an Atlas Copco Air Compressor is a long term investment, so we can help you finance your purchase over 3-60 months

Instead of waiting for a return on your investment, make a saving immediately. We can demonstrate that your monthly payments will be lower than the electrical cost savings your new compressor will provide.

Air Compressors

9 Year Air Compressor Warranty

As official Atlas Copco Distributors, if you agree to a Guardian service plan with Design Air Scotland, your new Air Compressor will come complete with a 7 or 9 year warranty depending on your budget.

We’re confident that our Guardian Service Plan will ensure that your new air compressor continues to run reliably and efficiently. However, in the event it doesn’t you wont pay a penny for the repair.

This plan allows you to accurately budget your maintenance bills over the lifespan of the air compressor.

Air Compressor options to suit all budgets

As market leaders in the air compressor industry, Atlas Copco produce compressors to suit all budgets. Regardless of whether you have a strict budget and need to minimise initial up front expenditure, or if you are looking for the most premium, energy efficient compressor on the market, we can provide you with an air compressor that will suit your requirements and budget.

Regardless of how much you spend, at Design Air Scotland we’re confident that your new Atlas Copco Compressor will give you trouble free running over its lifespan.

Remote Monitoring via SMART Link

If you purchase a compressor from Atlas Copcos industrial or premium range, the chances are that this unit will come with an in-built SMART Box.

This box allows you and us to remotely access your compressors running parameters from any web browser.

This in turn allows us to accurately plan in when service work is due, diagnose any issues before sending an engineer to a breakdown and also allows us to proactively take action on any warnings that may arise before they cause the compressor to trip.

As such, at Design Air Scotland we can ensure that your compressor is kept running in pristine condition.


Atlas Copco have got an unparalleled reputation for producing solid and reliable air compressors. This is for good reason. Each compressor utilises Atlas Copco’s state of the art compression element and is constructed to the highest standards utilising high quality materials. As a result, these compressors can withstand the harshest of environments and running conditions. As long as the compressor is correctly serviced and operated within it’s limitations, the performance of the compressor is guaranteed for up to 9 years.

Our Range of Atlas Copco Air Compressors

Air Compressors

Piston Air Compressors

  • Main Motor Size Range: 0.5 - 15 kW
  • Free Air Delivery Range: 2 - 67 cfm
  • Max Working Pressure Range: 10 - 30 bar(g)
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Air Compressors

Rotary Screw Air Compressors

  • Main Motor Size Range: 2 - 500 kW
  • Free Air Delivery Range: 8 - 3,217 cfm
  • Max Working Pressure Range: 5 - 14 bar(g)
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Air Compressors

Oil Free Air Compressors

  • Main Motor Size Range: 1.5 - 55 kW
  • Free Air Delivery Range: 6 - 302 cfm
  • Max Working Pressure Range: 4 - 10 bar(g)
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Air Compressor FAQs?

An air compressor is a mechanical device that converts power, usually from an electric motor or a petrol/diesel engine, into compressed air. It works by drawing in atmospheric air, compressing it, and then typically the air is stored for various uses. Here’s a simplified explanation of how an air compressor works:

  1. Intake: The process begins with an intake valve or air filter that allows atmospheric air to be drawn into the compressor. This air is typically at ambient pressure and temperature.
  2. Compression: Inside the compressor, there is a piston or a rotary mechanism (such as a screw or vane) that compresses the incoming air. As the piston moves up and down or the rotary mechanism turns, the volume of the air decreases, causing an increase in pressure.
  3. Compression Chamber: The compressed air is typically contained within a compression chamber. The pressure of the air rises significantly as it gets compressed. This compressed air can be at a much higher pressure than the atmospheric air it started as.
  4. Outlet Valve: Once the air reaches the desired pressure, it is released through an outlet valve. The outlet valve can be adjusted to control the pressure of the compressed air.
  5. Storage Tank (Optional): In many applications, compressed air is stored in a tank for later use. This tank helps ensure a steady and readily available supply of compressed air, which is especially important for applications with varying air demand.
  6. Regulator (Optional): A regulator can be used to control the pressure of the compressed air as it leaves the tank or the compressor. This allows users to adjust the pressure to match their specific needs.
  7. Outlet: Any moisture or impurities in the compressed air may be removed through filters and separators. Compressed air may also be cooled to reduce moisture content before it is used in some applications.

Different types of air compressors, such as reciprocating (piston), rotary screw, and centrifugal compressors, achieve compression using varying mechanisms. Each type has its own advantages and is suited for different applications based on factors like capacity, pressure requirements, and efficiency.

Air compressors have a wide range of applications across various industries and sectors due to their ability to generate and store compressed air. Compressed air is a versatile source of power that can be used for various purposes. Here are some common uses of air compressors:

  1. Pneumatic Tools: Air compressors power a wide range of pneumatic tools, including pneumatic drills, impact wrenches, nail guns, paint sprayers, sanders, and grinders. These tools are commonly used in construction, automotive repair, woodworking, and metalworking.
  2. Inflating Tyres: Air compressors are commonly used to inflate vehicle tyres, bicycle tyres, and sports equipment like basketballs, soccer balls, and inflatable pool toys.
  3. Cleaning: Compressed air is used for cleaning purposes in various industries, including electronics manufacturing, automotive repair, and construction. It is effective for blowing dust, debris, and contaminants from surfaces and machinery.
  4. Spray Painting: Air compressors power paint spray guns used in automotive painting, furniture finishing, and other applications that require a smooth and even coat of paint.
  5. Sandblasting: Compressed air is used in sandblasting to remove rust, paint, and other surface coatings from various materials. It is often used in industrial maintenance and restoration projects.
  6. Medical and Dental Equipment: In healthcare settings, air compressors are used to power medical and dental devices, such as dental drills, surgical instruments, and respiratory equipment.
  7. Food and Beverage Processing: Compressed air is utilized for various purposes in the food and beverage industry, such as controlling conveyor systems, packaging, and pneumatic conveying of ingredients.
  8. Manufacturing: In manufacturing, air compressors are used to operate machinery, control pneumatic actuators, and assist in material handling and assembly processes.
  9. HVAC Systems: Compressed air is used in some heating, ventilation, and air conditioning (HVAC) systems to control dampers, valves, and actuators.
  10. Mining and Quarrying: Air compressors are used in mining operations to power pneumatic drills and other equipment for drilling, rock fragmentation, and material handling.
  11. Oil and Gas Industry: Air compressors are essential in the oil and gas industry for various applications, including gas compression, powering pneumatic instruments, and operating valves and actuators.
  12. Aerospace: Air compressors are used in aircraft and spacecraft for various purposes, such as cabin pressurization, pneumatic control systems, and landing gear operation.
  13. Wastewater Treatment: Compressed air is used in wastewater treatment plants for aeration, agitation, and other processes.
  14. Energy Production: Air compressors are used in power plants and energy production facilities for combustion air supply, pneumatic control systems, and instrument air.
  15. Construction and Demolition: Air compressors power pneumatic hammers, jackhammers, and other tools used in construction and demolition activities.

The versatility and reliability of air compressors make them indispensable in a wide range of industries and everyday applications. The specific type and size of air compressor used can vary based on the intended application and air pressure requirements.

The average compressed air consumption for various pneumatic tools can vary widely based on factors such as the tool’s design, size, and intended application. Additionally, the pressure at which the compressed air is supplied to the tools will also affect their air consumption rates. Below are approximate average air consumption rates for some common pneumatic tools at a typical operating pressure of 90 psi (pounds per square inch) or 6.2 bar:

  1. Impact Wrench:
    • 1/2-inch drive: 4-8 CFM (cubic feet per minute)
    • 3/4-inch drive: 8-12 CFM
  2. Air Ratchet:
    • 3/8-inch drive: 3-4 CFM
    • 1/2-inch drive: 5-6 CFM
  3. Air Drill:
    • 3/8-inch chuck: 3-6 CFM
    • 1/2-inch chuck: 4-8 CFM
  4. Die Grinder:
    • 1/4-inch collet: 4-6 CFM
    • 1/8-inch collet: 2-4 CFM
  5. Air Grinder (4-inch): 7-8 CFM
  6. Air Sander (Dual-Action): 10-12 CFM
  7. Paint Spray Gun (HVLP): 7-12 CFM
  8. Nail Gun (Framing): 2-4 CFM
  9. Nail Gun (Finish/Brad): 0.3-2 CFM
  10. Air Hammer (Chisel): 3-11 CFM
  11. Blow Gun: 3-8 CFM
  12. Air Vacuum: 8-12 CFM

These figures are approximate and can vary based on the specific brand, model, and usage conditions of the tools. It’s important to note that some tools, like air sanders, may have variable air consumption rates depending on the task at hand. Tools with adjustable speed or torque settings may also have varying air consumption rates based on the selected setting.

When selecting an air compressor for your tools, it’s crucial to consider the cumulative air consumption of all the tools you plan to use simultaneously. The compressor should be sized to meet or exceed the total air demand to ensure proper operation. It’s also worth adding on approx 10-20% to this figure to account for leaks developing over time. Using a compressor that is too small may lead to insufficient air supply, resulting in low pressure and reduced tool performance. Conversely, using a larger compressor can provide more versatility and accommodate a wider range of tools, but is likely consume more energy and cost more to run.

Compressor FAD stands for “Free Air Delivery.” It is a term used to describe the actual volume of compressed air that a compressor can deliver to its downstream system or tools at a specific set of operating conditions. FAD is an important specification for assessing the performance of an air compressor because it tells you how much compressed air the compressor can provide for your applications.

FAD takes into account the following factors:

  1. Pressure: FAD is typically measured at a specific discharge pressure, which is often stated in psi (pounds per square inch) or bar. The pressure at which FAD is measured may vary from one compressor manufacturer to another, so it’s important to check the specific conditions under which FAD is reported.
  2. Temperature: The temperature of the compressed air can affect its volume. FAD is often measured at a standardized temperature, such as 68°F (20°C), to provide a consistent basis for comparison.
  3. Humidity: FAD assumes that the compressed air is dry and free from moisture. Moisture in the air can reduce the effective FAD because the compressor may need to work harder to remove moisture from the air.

FAD is typically expressed in units like cubic feet per minute (CFM) or liters per minute (LPM) and represents the flow rate of compressed air as if it were at atmospheric conditions (usually at sea level) and at a specific temperature and pressure. This value helps users understand how much compressed air they can expect to receive from a compressor for their various tools and applications.

It’s important to note that the FAD value may be lower than the displacement or theoretical capacity of the compressor, as real-world compressors experience losses due to factors like heat generation, mechanical inefficiencies, and pressure drop in the system. Therefore, when selecting an air compressor for specific applications, it’s crucial to consider not only the FAD but also the operating conditions and any additional factors that may affect its performance.

Screw compressors and piston (reciprocating) compressors are two common types of air compressors, each with its own set of advantages and disadvantages. Here are some of the advantages of screw compressors over piston compressors:

  1. Continuous Operation: Screw compressors provide continuous and pulsation-free airflow, making them suitable for applications where a consistent air supply is crucial. Piston compressors produce pulsating airflow, which may require additional equipment (such as an air receiver) to smoothen the flow.
  2. Higher Capacity: Screw compressors generally offer higher capacity and airflow rates than piston compressors of similar size. They are well-suited for industrial applications with higher air demand.
  3. Quiet Operation: Screw compressors are quieter than piston compressors, which can be important in applications where noise levels need to be kept to a minimum.
  4. Compact Design: Screw compressors are typically more compact than piston compressors with similar capacity, making them suitable for installations with limited space.
  5. Durability: Screw compressors are designed for continuous operation and can handle heavy-duty industrial use, making them reliable for demanding applications.
  6. Cooler Operation: Screw compressors tend to operate at lower temperatures than reciprocating compressors, which can help extend the life of compressor components and reduce the risk of overheating.

While screw compressors offer many advantages, it’s important to note that they may have a higher initial purchase cost compared to piston compressors. The choice between the two types of compressors should be based on the specific needs of your application, including factors like air demand, required air quality, available space, and budget constraints. If you’re still unsure, get in touch with us at Design Air (Scotland) for some expert advice.

The choice between a fixed-speed compressor and a Variable Speed Drive (VSD) compressor depends on various factors related to your specific compressed air system requirements and usage. Here are some key considerations to help you decide which type of compressor is more suitable for your needs:

1. Air Demand Profile:

  • Fixed-Speed Compressor: If your air demand remains relatively constant and predictable throughout the day, a fixed-speed compressor can be a cost-effective choice. Fixed-speed compressors operate at a consistent speed and are suitable for applications with steady air demand.
  • VSD Compressor: VSD compressors are ideal for applications with variable or fluctuating air demand. They can adjust their speed to match the required output, which can lead to significant energy savings during periods of lower demand. If your compressed air demand varies throughout the day or between shifts, a VSD compressor can be more efficient.

2. Energy Efficiency:

  • Fixed-Speed Compressor: Fixed-speed compressors typically operate at full capacity when running, and they may cycle on and off to maintain the desired pressure. This can result in energy inefficiencies during unloaded conditions.
  • VSD Compressor: VSD compressors are known for their energy efficiency, especially at partial load conditions. By varying their speed, they can closely match air output to demand, reducing energy consumption and operating costs.

3. Pressure Requirements:

  • Fixed-Speed Compressor: If your application requires a consistent and fixed air pressure, a fixed-speed compressor with a regulated outlet can provide stable pressure, but the compressor outlet pressure will typically cycle between two pressure set points within a pressure band of approx 0.5-2bar
  • VSD Compressor: VSD compressors can also maintain stable pressure but have the advantage of operating within a smaller pressure band of approx 0.2bar. This can allow you to target a much lower operating pressure thus reduce energy costs.

4. System Flexibility:

  • Fixed-Speed Compressor: Fixed-speed compressors are generally straightforward to operate and maintain. They are well-suited for applications with consistent air demand.
  • VSD Compressor: VSD compressors offer greater flexibility and adaptability. They can respond to changing demand in real-time, providing optimal performance and efficiency.

5. Cost Considerations:

  • Initial Cost: VSD compressors often have a higher upfront cost compared to fixed-speed compressors. However, the potential energy savings over time can offset the initial investment.
  • Operating Cost: VSD compressors are more energy-efficient at part-load conditions, which can lead to lower operating costs over the compressor’s lifespan, particularly in applications with variable air demand.

In summary, the choice between a fixed-speed compressor and a VSD compressor depends on your specific air demand patterns, energy efficiency goals, and budget. If your air demand varies significantly or you prioritize energy efficiency, a VSD compressor may be the better choice. However, for applications with stable, constant air demand, a fixed-speed compressor may provide adequate performance at a lower initial cost. It’s essential to conduct a thorough assessment of your compressed air system’s needs. For help determining which option is best for you, get in touch with us at Design Air (Scotland) for some expert advice.

Talk to a Compressed Air Specialist Today!

For a quote on any of our services, get in touch with a friendly member of the team today and we’ll be happy to discuss your requirements.

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01236 751922