Resources We use many resources in the compressed air industry. Below are links to some of the trusted and very useful sources that we rely on. If you need further technical help, please reach out to ACES directly and we will be more than happy to help. Compressed Air Best Practices Compressed Air & Gas Institute Energy Efficiency & Renewal EnergyUS Dept. of Energy Gas and Compressed AirGas properties, capacities of pipelines, sizing of relief valves- air, LNG, LPG and more. Compressed Air ReceiversCalculating receivers in compressed air system