
What to look for when choosing a heat interface unit Some reasons to replace an HIU are that the unit has been neglected without service and become uneconomical to repair, or that it has reached the end of its expected lifetime. Types of HIU The most common types of HIU are: Indirect heating and instantaneous…

Why is HIU service important? HIU is an expensive unit, and with a regular servicing, any problems with the unit can be identified and addressed before any major damage occurs. This ensures that when winter comes and the heating is switched on, there are no surprises. Serviced HIUs run efficiently, which saves energy and keeps…