.🔥 Full replacement – If the system is ancient (or missing), just bite the bullet and install a new one.Pro Tip: A new HVAC can be pricey, but it’s a huge selling point.

I saw that listing for sale, the one I'm purchasing is much nicer on the inside without the ancient steam heating.

Gandalf in the bowels of Minis Tirinth combing through ancient scrolls to find  information on the one ring.. or.. the one deal to rule them all!

Since it looks like you are an investor from Rome GA I am really interested in the markets you are finding most attractive in GA.

Rome is probably good too, any major city will be much better than the rest of Italy.

KT is an ancient and inherently dangerous product.

If you are/were old enough to remember the early 80's (or ancient, like @Jay Hinrichs and remember the 70's :D ), you'd know that 3-5% rates for borrowing money is almost laughable.

The smart ones bought apartments for 20K and are now worth 1.5 million plus.They managed to hold on despite the headaches.Gentrification and Lifecycles of a City from Boom to Bust to Boom again are very real.And it happens in every City - from Ancient Rome to modern Beijing.Pick the right City with attributes and drivers for growth, and follow the money trail.Where are the Investments going in?

Austria, Germany, Luxembourg; these immediately come to mind as "ancient" developed areas in contrast to the "infant" that is USA, and they seem to be doing very well, very efficient, very well setup and established across the strata's. 

Aging of Super Powers- Rome, Dutch, England, France, Spain, Mayans, Aztecs, etc.