COMPRESSED AIR W
hen it comes to compressed air in process environments, there isn’t a one size fits all approach, which is often why there is such debate.
SO, WHO ARE THE CONTENDERS? First up, you have the tried and tested work horse of the diesel air compressor. Due to their durability and mobility, diesel compressors are well suited to heavy duty applications and remote environments, as they don’t require a connected power supply. However, their emissions can be a hindrance in meeting environmental targets and if you are purchasing a unit, it can come with a higher upfront cost to alternatives. Therefore, you may wish to consider the
electric air compressor. They are a more sustainable choice and come with inherent , such as a variable speed drive (VSD), so you only produce the amount of air required at any given time, vastly reducing your energy consumption, but they are reliant on you having a power supply. With diesel compressors also able to utilise
smart technology, we have to look beyond the true winner for your industry environment.
LET’S BREAK DOWN THE KEY CONSIDERATIONS WHEN IT COMES TO BUYING OR RENTING AN ELECTRIC VS DIESEL AIR COMPRESSOR Operating costs As already established, if you’re working without a reliable power source, then your best option is likely to be a diesel air compressor, but if you’re able to plug into a generator you have options. Yes, diesel engines are known for their hardy
and reliable nature, and if a breakdown were to occur you’re likely to have colleagues that are familiar with the engine who can identify/ resolve the issue. This all contributes to the compressor’s longevity and dependability. However, with fewer moving parts, electric compressors typically require far less and complex maintenance, helping to keep costs low. In addition, electricity is often cheaper than
the cost of diesel which experiences greater operating partial or unloaded conditions compressor that is highly adaptable to changing demands. But if you require long runtimes and a high demand for air, in a harsh environment, then a diesel compressor could has features to minimise fuel use during idle periods. Safety and the environment Electric units are inherently safer than
diesel counterparts as they pose no risk of injury from hot parts, such as an exhaust pipe contamination from transporting diesel and
THE CONTENDERS AND CONSIDERATIONS: WHY THE DIESEL VS ELECTRIC COMPRESSED AIR DEBATE CONTINUES
operating with this fuel can also be avoided. However, risks in the physical environment
beyond potential leaks and spillages, should be considered. An electric unit needs to be plugged in, which could pose a trip hazard if not correctly managed. And, as electric units have developed over the years to also be able to move around a site, like a diesel engine with wheels, lifting hooks and forklift slots, cable management is a key consideration and attention should be made to correct grounding, cable size and ventilation. With regard to further environmental
concerns, electrically powered compressors are technically emission free, though you do need to consider the power source, which will itself likely generate CO2. Whilst diesel engines do produce additional
nitrogen oxides (NOx) and other pollutants, which can be harmful to health and the being made to clean up diesel engines. So, if diesel is your only option and you want to reduce your environmental impact, opt for offers remote monitoring and leak protection. Another environmental consideration is noise,
30 OCTOBER 2025 | FACTORY&HANDLINGSOLUTIONS
By Atlas Copco Rental, UK and Ireland
Atlas Copco Rental UK and Ireland, a provider of compressed air for temporary and long-term applications for planned activity or emergency situations, weighs in on the debate to provide a balanced viewpoint that is considerate of your operational environment
decibels lower than diesel! This makes them ideal for indoor use and for use in environments where both air quality and quiet running are essential considerations for both operators and the community. In summary, go electric when: you have
access to a power supply or generator, you need a solution that has a low noise output and low emissions and if you’re looking for a compressor that is safer to operate without hot the electric option is its long service intervals compared to a diesel air compressor, which requires more frequent engine maintenance. Go diesel when: access to power is more
limited, you may be in a remote or challenging environment, you require high power outputs that doesn’t require cable management. If you’re still unsure, talk to an expert who
has experience in providing solutions to meet your temporary or long-term needs.
Atlas Copco
www.atlascopco.com
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