Big Al posted for all of us...
I don't top post - see either inline or at bottom.

I have a house with both single and three phase electric. I'm thinking of
adding air conditioning. Pros and cons of three phase?? It's a small house,
two tons should be enough.

Al



Are you SURE you have three phase? How many wires coming in the house?
--
My boss said I was dumb and apathetic.
I said I don't know and I don't care...

Tekkie