Those systems are quite large, could be necessary, but that's highly unlikely! First thing is to either analyze your fuel use to try to understand what your real requirements are as a first guess, then probably pay someone to do a manual-J heating analysis to determine what your REAL needs are. Then, and only then, can you size things properly.
FWIW, the only thing excess a/c capacity does for you is cool things off quicker if the building has been heat-soaked for a long time. It is terrible for maintaining a comfortable temperature with adequate humidity control. And, humidity control in Queens is likely a high priority.
A boiler that big could heat a big apartment house...while there may be some houses that need one that big, those people tend to not visit forums for free help! If you read some here, you'll find lots of people stuck with the same thing - excessive capacity for a boiler. This is not uncommon, as most places are too lazy or ignorant to size one properly. For economy AND comfort, a 'right-sized' one is what you want, which starts with a room-by-room analysis of your actual needs.