Heat exchangers play a pivotal role in municipal facilities, serving as critical components in various applications from sewage treatment to power generation. By transferring heat between fluids without mixing them, these devices help in conserving energy, reducing costs, and minimizing environmental impact. For instance, in wastewater treatment plants, heat exchangers efficiently manage thermal regulation, aiding in the microbial digestion processes. In power plants, they contribute to waste heat recovery, turning excess thermal energy into additional power. Similarly, heat exchangers optimize operations in biogas and landfill gas recovery systems, as well as in renewable fuel contexts, ensuring energy from waste is harnessed effectively.