The customer service line is probably the best bet? I honestly wouldn't know that well. Regardless it's a trial to get things approved. There was an aquatic company nearby trying to make a deal with petsmart and that didn't go through. AquaTop. Great products, just Petsmart didn't bite.
It would have to be the Zoomed thermostat however for petsmart as that is the company that they are working with. I actually have been running one and it handled the first power outage with it very well.
I wish it was as simple as, "A customer recommended this!"