Lennox.

EL17XP1

Up to 18.6 SEER

Up to 17 SEER2

Up to 10.6 HSPF

Up to 8.5 HSPF2

EL22XPV

Up to 23 SEER

Up to 22 SEER2

Up to 10 HSPF

Up to 9.5 HSPF2

16HPX

Up to 16.5 SEER

Up to 9.5 HSPF

EL15XP1

Up to 16 SEER

Up to 9 HSPF

EL16XP1

Up to 17 SEER

Up to 10 HSPF

EL18XPV

Up to 20 SEER

Up to 10 HSPF

ML17XP1

Up to 18.6 SEER

Up to 14.3 SEER2

Up to 10.6 HSPF

Up to 7.5 HSPF2

ML14XP1

Up to 16 SEER

Up to 8.2 HSPF

ML16XP1

Up to 17 SEER

Up to 10 HSPF

XP20

Up to 20 SEER

Up to 20 SEER2

Up to 10 HSPF

Up to 8.4 HSPF2

XP21

Up to 19.2 SEER

Up to 17.8 SEER2

Up to 9.7 HSPF

Up to 8.2 HSPF2

XP25

Up to 23.5 SEER

Up to 10.2 HSPF

SL25XPV

Up to 24 SEER

Up to 23 SEER2

Up to 11.8 HSPF

Up to 10.3 HSPF2