Mechanical/electrical systems fail.

Run the numbers of the mechanics of the house.

More information such as the condition of the exterior, the interior, the mechanics (heat, electricity, plumbing, etc), and the potential income generation if it is a rental property are needed.

Hey everyone, my name is Blake and I'm a mechanical engineering major at a community college in Springfield, Mo.

Spending money on mechanical efficiency by replacing your heating system has a very long pay back period.

If a hack mechanic begins stripping the car, I call local authorities to intervene as they are violating local laws.

Being threatened with a mechanical lien for work I never had a written contract for, an estimate or anything.

However the mechanics you described are incorrect. 

If there is a single manifold (not a given) and you have the space in the mechanical room (also not a given), I suppose you could install 24 small boilers and metre each to the unit it supplies .... or you could rip-out the hydronic system and install electric baseboards (and DHW heaters) and off-load the heating costs to your tenants.    

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