These ancient furnaces aren't as energy efficient as today's models, and you don't want one to give out right away.b) Make sure that the furnace filters are changed on a regular basis.  

That said, wasn't there some ancient wise man that said something about the more mistakes you make the more wise you are?

I see houses sell with ancient fixtures.  

Ancient electric box that needs complete rewire?

Other interests include ancient history, biking, tennis, chocolate (dark), and travel.

Epictetus, the ancient Greek philosopher, noted that grounded optimism often leads to the greatest satisfaction in life.

A/C unit is there, newer hotwater heater and furnace doesn't look ancient.

Contemplating oil to gas conversion of four ancient oil boilers in a 4-plex where leases stipulate that new tenants receive their tanks 'full' must have auto-delivery contract and leave tank full upon lease expiration.

Find some ancient cottages and start mail-blasting the owners.

The furnace is ancient and inefficient and the house is drafty and your heating bills are huge and the garage is full of his stuff so you can't even use it.