What method can be used to provide heat in integrated Make-Up Air (MUA) systems?

In integrated Make-Up Air (MUA) systems, inline electric heaters are commonly used to provide heat. This method is effective because inline electric heaters can be directly installed within the air stream of the MUA system, allowing for efficient heating of the incoming air before it is distributed throughout the space. Their compact design and ease of integration make them ideal for these types of systems, where heating needs to occur without significant modifications to the overall ductwork or system configuration.

The advantage of using inline electric heaters is that they provide a stable and controllable source of heat, which can help maintain comfort levels within the building, especially during colder weather when make-up air requirements are higher. Additionally, they can be easily controlled using thermostats or other control systems, allowing for precise adjustments based on the building's heating demands.

In contrast, while other methods such as heat exchangers, steam radiators, and gas burners can also generate heat, they may not be as suitable for integrated MUA systems due to potential complexities in installation, safety concerns, or inefficiencies in heating the air directly in line with the HVAC system. Thus, inline electric heaters stand out as a practical choice for effective heating in MUA applications.