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Lew Hartswick

Gerald Miller wrote:
On Thu, 30 Aug 2007 20:23:22 -0700, wrote:

I've several old engineering manuals that put ammonia gas as #1 for
overall efficiency. Nasty stuff, but still used for large warehouse
and ice-making operations. Also biodegradeable and ozone-friendly.
You probably won't find the information you need out of a catalog,
efficiency depends on a lot of things, one reason the books are so
thick...

Stan

But have you ever been near a leaking SO2 system?
Gerry :-)}
London, Canada

Back when I was in grade school (1940s) a family had one (household
refrigerator using amonia) leak, fortunately only the pet (forget
what kind of pet) was home. Did it in. Nasty stuff to breathe.
...lew...