Luxaire / AIR-SOURCE HEAT PUMP

THF2B36T21

LX SERIES · source records, page 4

225 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 225 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/Wh15.2–16225 / 225
EER2 · BTU/Wh11.7–12225 / 225
HSPF2 · BTU/Wh7.8–8.1225 / 225
Cooling capacity · BTU/h33,400–36,000225 / 225
Heating capacity at 47°F / 8.3°C · BTU/h32,600–34,800225 / 225
Heating capacity at 17°F / −8.3°C · BTU/h21,400–23,800225 / 225
Heating capacity at 5°F / −15°C · BTU/h16,500–20,000225 / 225
COP at 5°F / −15°C1.96–2.44225 / 225
Equipment / loop typeHP - Split System225 / 225
Refrigerant / source-reported GWPR-410A (GWP:2088)225 / 225
Compressor stagingTwo-stage225 / 225
Connected capabilityNo225 / 225

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
XAFC48FXXN1+TXV+ furnace: Z8ES100C16SMPS1AHRI reference: 21247558615.208.10182002.16EPA 2476549
XAFC48FBCN1+ furnace: Z8ES120C16LMPS1AHRI reference: 21247811115.208.10181002.20EPA 2476657
XAFC36DBCN1+ furnace: Z8ES080C16LMPS1AHRI reference: 21247746815.207.80184002.16EPA 2476663
XAFC48FBCN1+ furnace: Z8ES100C16LMPS1AHRI reference: 21247563015.208.10182002.16EPA 2476847
XAFC48FBCN1+ furnace: Z8ES120C16SMPS1AHRI reference: 21247810115.208.10181002.20EPA 2477125
XAFD48FBCN1+ furnace: Z8ES120C16SMPS1AHRI reference: 21247752315.208.10181002.20EPA 2477126
XAFC36DBCN1+ furnace: Z8ES100B12SMPS1AHRI reference: 21247804115.207.80180002.14EPA 2477180
XAFD48FBCN1+ furnace: Z8ES120C16LMPS1AHRI reference: 21247752815.208.10181002.20EPA 2477231
XAFC48FXXN1+TXV+ furnace: Z8ES120C16SMPS1AHRI reference: 21247808915.208.10181002.20EPA 2477326
XAFC48FXXN1+TXV+ furnace: Z8ES100C16LMPS1AHRI reference: 21247559615.208.10182002.16EPA 2477512
XAHC36DBCN1+ furnace: Z8ES120C20SMPS1AHRI reference: 21247536915.207.80183002.16EPA 2477516
XAHC36DBCN1+ furnace: Z8ES120C20LMPS1AHRI reference: 21247537915.207.80183002.16EPA 2477531
XAFC48FXXN1+TXV+ furnace: Z8ES120C16LMPS1AHRI reference: 21247809415.208.10181002.20EPA 2477972
XAHB36DBCN1+ furnace: Z8ES040A12LMPS1AHRI reference: 21247552315.207.80180002.16EPA 2478022
XAFC36DBCN1+ furnace: Z8ES080C16SMPS1AHRI reference: 21247746315.207.80184002.16EPA 2478035
XAHC36DBCN1+ furnace: Z8ES100B12LMPS1AHRI reference: 21247542615.207.80181002.16EPA 2478042
XAFC36DBCN1+ furnace: Z8ES100B12LMPS1AHRI reference: 21247804615.207.80180002.14EPA 2479491
XAFC36DBCN1+ furnace: Z8ES120C16LMPS1AHRI reference: 21248613915.207.80181002.16EPA 2480053
XAFC36DBCN1+ furnace: Z8ES120C16SMPS1AHRI reference: 21248613415.207.80181002.16EPA 2480062
XAFD48FBCN1+ furnace: Z8ES100C16SMPS1AHRI reference: 21248857515.208.10182002.16EPA 2480680

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 →