Well we know they some might have been better built then the ones we have today,but that was really only for the rich that could afford it.If you werent rich your home wasnt as nice looking or as well built! Hope this helps a little(:
I think they were more scientific and well planned.The newer ones are shoddy with bad materials and poor engineering which are causing pollution scares all over the world. Www.newjerseyairconditioning.com