Independent air-system field notes
Cleaner Compressed Air Starts With Better Choices.
Independent reviews of compressed-air filters, dryers, drains, separators, and compressor maintenance kits for cleaner, more reliable shop air systems.
The clean air path
Clear choices for shop owners and compressed-air system operators.
Current recommendation
Documented Packaged Compressed-Air Filter-Dryers Up to 25 CFM
Compare three documented packaged compressed-air filter-dryers up to 25 CFM by airflow, drying claims, filtration, pressure loss, and maintenance.
Workshop file
Equipment reviews
Single products, stripped to their working parts.
Workshop file
Maintenance desk
Practical routines for cleaner, more reliable air.
- 01
Water in Compressed-Air Lines: Causes, Tests, and Fixes
Find why water reaches compressed-air tools and fix aftercooling, receiver drains, piping, dryer overload, and point-of-use moisture problems safely.
- 02
How to Evaluate a Point-of-Use Regenerative Air Dryer
A product-neutral framework for checking application limits, documentation, installation needs, and service requirements before purchase.
- 03
How to Evaluate Compressed-Air Condensate Management Suppliers
A product-neutral framework for checking application limits, documentation, installation needs, and service requirements before purchase.
- 04
Refrigerated vs Desiccant Air Dryers: A Selection Framework
A product-neutral framework for checking application limits, documentation, installation needs, and service requirements before purchase.