Climate by Design International (CDI, formerly Concepts and Designs) is a company that designs and manufactures custom desiccant dehumidifiers and critical process air handlers. It also provides a mobile application with tools such as calculating air stream mixing, HVAC formulas, lead times, a psychrometric calculator with integrated weather data, etc. The company caters to markets including food processing, ice arenas, waste water treatment plants, pharmaceutical, automotive, rental, healthcare, aviation, lithium battery manufacturing, etc.