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Thanks, but it was a simple question, "is there a chart?" I scoured everywhere before posting here, and found nothing. I'm not a homeowner working on my own system. I train technicians and QA their...

I notice that many 3 ton systems are 34000 btu while a 33000 btu unit is listed as 2.5.

I need to verify (for a larger rebate) that 40,000 btu is actually 3.5 tons NOT 3.0

Is there an...