I have only just heard of Monarch as of late last year. I saw some of their products at a trade show. My questions would be?
  • Since your're not purchasing from a US based dealer what is the recourse if a problem arises?
  • Do they offer toll-free tech support?
  • What is their exact warranty policy?
  • Who stocks parts in the U.S.? I don't know of any U.S. distributors currently stocking their products.

As for the system itself, I haven't ever run across with a pool with one of their systems installed. Nor do I know how long they've been in business for. I'm not saying it's not a good system, it's just not used much in the United States.