With the constant rise in equipment costs, building owners and engineers are constantly looking for ways to decrease initial and utility costs for their HVAC projects. This has driven the market standard to pumps on variable-speed drives and high-efficiency condensing boilers.
Condensing boilers can be divided into two subcategories, which are based on the volume of water they can hold. This element leads installers to recognize whether they should consider high-mass fire-tube boilers or low-mass water-tube boilers.