Discover the main types of condensate drain pipe insulation, including elastomeric foam, polyethylene, cellular glass, phenolic foam, fiberglass, and mineral wool. Learn their applications, advantages, disadvantages, selection criteria, installation requirements, and best practices for preventing condensation, corrosion, mold, and ceiling damage.

Fan Coil Units (FCU) and Air Handling Units (AHU) are HVAC components used to control indoor climate. FCUs are compact units designed for individual rooms, providing localized heating or cooling. AHUs are larger centralized systems that supply conditioned and fresh air to multiple areas in a building. Understanding their differences helps in selecting the right HVAC solution.