Carrier.

48VG

Gas Electric

Up to 16 SEER2

Up to 81 AFUE

48VR

Hybrid

Up to 15.5 SEER

Up to 8.5 HSPF

Up to 81 AFUE

50VG

Air Conditioner

Up to 16 SEER2

50VR

Heat Pump

Up to 15.5 SEER

Up to 8.5 HSPF

50ZH

Heat Pump

Up to 13.4 SEER2

Up to 6.7 HSPF2

50ZP

Air Conditioner

Up to 13.4 SEER2

48NL

Gas Electric

Up to 13.4 SEER2

Up to 81 AFUE

50NT

Hybrid

Up to 13.4 SEER2

Up to 81 AFUE

50NL

Air Conditioner

Up to 13.4 SEER2

48NT

Heat Pump

Up to 13.4 SEER2

Up to 6.7 HSPF2