Michaëlis specialised in the Dutch tradition of landscape painting. His work often features the rolling terrain of the Netherlands, such as in Heuvelachtig landschap and Gezicht op Bloemendaal, vanaf Zomerzorg. He preferred muted earth tones and soft light to define form. Unlike many of his contemporaries who sought drama, Michaëlis focused on topographical accuracy and atmospheric stillness. His drawings, including Staand meisje, demonstrate a disciplined hand and a preference for naturalistic observation.

Modern collectors value the quiet composure of Michaëlis's compositions. His views of the Dutch countryside, like Landschap tussen Doesburg en Arnhem, provide a sense of order and calm. These prints suit contemporary interiors that favour clean lines and organic subjects. The historical accuracy of his work offers a window into the nineteenth-century Dutch world. His art remains a choice for those seeking a balance of classical technique and understated beauty.