Modular boiler systems have been gaining in popularity since the energy crisis of the 1970s due to their compact design and energy efficiency. Combined with a microprocessor control unit, the system makes a perfect prime mover for your school or commercial or institutional building. Modular boiler systems are appropriate for either new construction or as a retrofit solution to that high- maintenance energy hog in the basement.
Boilers installed in commercial and institutional buildings from the 1930s to the 1970s were likely to be fire-tube packaged steam boilers with power burners rated at 4,000 to 8,000 lbs/hr or less. These boilers were sufficiently large that in many cases the building was erected around the boiler, making removal of the boiler difficult.