HAI is GREAT for an alarm and even in a pinch for the T-Stats.
STOP RIGHT THERE!!
HAI and Lighting is a very cruel joke on us installers. In small homes it is adequate at best. Like track home small. If you have 5 T-Stats it doesn't sound like a small home. That is probably where the " It never worked quite right" comes in.
Assuming you have the software to extract the file and the #1 user code or Installer code. Without that you are starting from scratch and/or sending it in to HAI to be factory defaulted.
I personally like HAI but only for the above reasons.
Don't read my answer. Someone else will go into great detail as to why I am wrong rather than answer the original question...
