Benefits of Height Adjustable Desks International studies have found both health and productivity benefits when Height Adjustable work surfaces are used in the workplace. Electrically operated AHA (Automatic Height Adjustable) desking frames provide a high quality CE marked product comprising the BOSCH electronics and other European components which meet various standards, specifications and tests including the ROHS environmental framework. Benefits of height adjustable work surfaces and alternating between sitting and standing at work include: .