Johnson Controls / AIR-SOURCE HEAT PUMP

THF2B36T21

LX SERIES · source records, page 3

215 published source records · source checked Sep 21, 2026

SEER2 range15.2–16BTU/Wh
HSPF2 range7.8–8.1BTU/Wh
Cooling capacity33,400–36,000BTU/h

Each efficiency range summarizes published EPA records for THF2B36T21. The highest SEER2 and HSPF2 may belong to different combinations. Open a source record below to see its ratings and the scope of its component information.

Model patterns and component strings are preserved exactly. How to read model patterns and combinations →

Heating performance & equipment details

Ranges include the 215 published source records for this model. Values in different rows may describe different configurations. Open an individual record to compare values from the same test configuration.

Reported fieldValue / rangeRecords supplying it
SEER2 · BTU/Wh15.2–16215 / 215
EER2 · BTU/Wh11.7–12215 / 215
HSPF2 · BTU/Wh7.8–8.1215 / 215
Cooling capacity · BTU/h33,400–36,000215 / 215
Heating capacity at 47°F / 8.3°C · BTU/h32,600–34,800215 / 215
Heating capacity at 17°F / −8.3°C · BTU/h21,400–23,800215 / 215
Heating capacity at 5°F / −15°C · BTU/h16,500–20,000215 / 215
COP at 5°F / −15°C1.96–2.44215 / 215
Equipment / loop typeHP - Split System215 / 215
Refrigerant / source-reported GWPR-410A (GWP:2088)215 / 215
Compressor stagingTwo-stage215 / 215
Connected capabilityNo215 / 215

47°F = 8.3°C; 17°F = −8.3°C; 5°F = −15°C. COP is dimensionless. These are reported rating points, not a prediction of a particular home’s heat demand or operating limit.

Matched systems

Each row is one source record. The component column distinguishes listed combinations from outdoor-model ratings without an indoor configuration.

Indoor unit / required furnaceSEER2BTU/WhHSPF2BTU/WhHeating capacity at 5°F / −15°CBTU/hCOP at 5°F / −15°CRecord & comparison
XAHD48FBCN1+ furnace: TM8Y080C16MP11AHRI reference: 21085167016.007.80174002.08EPA 3990124
XAHC36DBCN1+ furnace: Z8ET120C20LMPS1AHRI reference: 21259394016.007.80184002.18EPA 3990834
XAHC36DBCN1+ furnace: Z8ET080C16LMPS1AHRI reference: 21259395016.008.10186002.20EPA 3990960
XAHC48FBCN1+ furnace: Z8ET120C20LMPS1AHRI reference: 21259396016.007.80180002.16EPA 3990967
XAHC48FBCN1+ furnace: Z8ET080C16LMPS1AHRI reference: 21259398516.007.80179002.18EPA 3990980
XAHD48FBCN1+ furnace: Z8ET100C16LMPS1AHRI reference: 21259411116.007.80180002.16EPA 3991041
XAHD48FBCN1+ furnace: Z8ET120C20LMPS1AHRI reference: 21259422616.007.80180002.16EPA 3991183
XAHD48FBCN1+ furnace: Z8ET080C16LMPS1AHRI reference: 21259424616.008.10180002.16EPA 3991192
XAHC36DBCN1+ furnace: Z8ET100C16LMPS1AHRI reference: 21259435116.008.10184002.18EPA 3991253
XAHC48FBCN1+ furnace: Z8ET100C20LMPS1AHRI reference: 21259437616.007.80179002.18EPA 3991270
XAFC36DBCN1+ furnace: Z8ET100C20LMPS1AHRI reference: 21259470616.007.80184002.16EPA 3991484
XAHD48FBCN1+ furnace: Z8ET100C20LMPS1AHRI reference: 21259472616.007.80179002.18EPA 3991488
XAHC48FBCN1+ furnace: Z8ET080B12LMPS1AHRI reference: 21259474616.007.80181002.14EPA 3991496
XAHC36DBCN1+ furnace: Z8ET100C20LMPS1AHRI reference: 21259452116.008.10183002.20EPA 3991589
XAHC48FBCN1+ furnace: Z8ET100C16LMPS1AHRI reference: 21259457616.007.80180002.16EPA 3991590
XAHB36DBCN1+ furnace: Z8ES080B12SMPS1AHRI reference: 21248619715.207.80180002.14EPA 2474776
XAFC36DBCN1+ furnace: Z8ES100C16SMPS1AHRI reference: 21248847015.207.80182002.14EPA 2475084
XAFC36DBCN1+ furnace: Z8ES100C16LMPS1AHRI reference: 21248847715.207.80182002.14EPA 2475518
XAHC36DBCN1+ furnace: Z8ES080B12LMPS1AHRI reference: 21247807515.207.80177002.16EPA 2476534
XAHB36DBCN1+ furnace: Z8ES040A12SMPS1AHRI reference: 21247551815.207.80180002.16EPA 2476606

Sources and documentation

The table uses public EPA ENERGY STAR data. AHRI references are reported by EPA and have not been independently checked with AHRI. Source records do not establish availability, installation suitability or rebate eligibility.

No manufacturer manual has been matched to this model.

Collection method, revision history and known limitations →