Short lived

[HKestenholz]

That kind of electric heat has only been around for half a century, and many that were installed are still working.

Which gives a good clue – don’t hire the guy who only has them last a few years.

http://www.nuheat.com/home.html

By the way, VERY tall buildings are usually heated with hot water.

http://www.heatpro.us energy businessmen’s knowledge

Yes, you really have to find out the MAKE and MODEL to get good answers. There IS more than one machine made.