Repair, Retrofit, or Replace? A Decision Framework for Aging AHUs

AHU repair and retrofit work on commercial HVAC unit

Every facility eventually reaches a familiar moment. An AHU unit starts consuming more power, comfort complaints increase, and maintenance feels less predictable. Someone finally asks the practical question: Do we keep repairing this system, invest in an upgrade, or plan a full replacement? That choice affects energy cost, reliability, occupant comfort, and long-term capital planning. […]