There are several types of boilers, including fire-tube boilers, water-tube boilers, and electric boilers. Each type has its own advantages and disadvantages, depending on the specific needs of the application.

Regular maintenance is important to keep boilers running efficiently and prevent breakdowns. Most manufacturers recommend annual maintenance for boilers.

Common boiler problems include low water pressure, leaking pipes, faulty valves, and malfunctioning thermostats.  As for a chiller, some of the typical issues seen may include refrigerant leaks, faulty controls, compressor failure, and water flow issues.

Regular maintenance and inspections can help ensure that your boiler is operating safely. Additionally, ensure that your system is installed and operated in compliance with all applicable safety codes and regulations.

There are several types of chillers, including air-cooled chillers, water-cooled chillers, and absorption chillers. Each type has its own advantages and disadvantages, depending on the specific needs of the application.

Chillers work by using a refrigerant to absorb heat from a fluid or air, then transferring that heat to a second fluid or air stream. The cooled fluid or air is then circulated through the building or process to provide cooling.

Upgrading to more efficient equipment, performing regular maintenance, and ensuring that the system is properly sized for the application can all help improve the energy efficiency of your chiller.