s-flex - American Efficiency Services is the industry leader in providing a full line of product and service offerings to keep your unit running efficiently. Using our proven and safe technologies, our services and products are offered throughout the United States and abroad. AES providing a full range of superior products and services including: helium leak detection, electrical generator and condenser tube inspections, chemical cleaning, condenser tube cleaning, eddy current, rubber expansion joint, generator inspection, condenser expansion joint replacement and many more. Since 2001, AES has provided open, clear communication and valuable system information to our customers for leak detection services.