3 ton
2ton
3 tons
No we don't really care about it but it is a scam
Up to 2.5 Tons
2.5 tons
3 1/2 TONS
based on this Lennox nomenclature explanation: Lennox_Model_and_Serial_Nomenclature.pdf the "-65" refers to 5 tons.
HS19 is a High Side condensing unit series 19 rated at (511) 51,000 BTU/hr or 4 tons.
1.5 tons
Three Tons
3 tons
4 tons
5 TONS