Consider the hardware now available to hydronic heating pros relative to that available 10 years ago. Modulating boilers have become the norm instead of the exception in several markets. Microprocessor-based controllers that communicate with each other are starting to replace stand-alone controls. Computer software now makes it possible to study the performance of “virtual” hydronic systems and make the right design decisions before hardware is installed.
Yes, we've seen significant progress in recent years that has been based on sound application of engineering principles and modern manufacturing technology.