Johnson Controls / AIR-SOURCE HEAT PUMP

THF2B24T21

LX SERIES · source records, page 7

165 published source records · source checked Sep 21, 2026

SEER2 range15.2–16BTU/Wh
HSPF2 range7.8–8.1BTU/Wh
Cooling capacity22,800–24,200BTU/h

Each efficiency range summarizes published EPA records for THF2B24T21. 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 165 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/Wh15.2–16165 / 165
EER2 · BTU/Wh11.7–12165 / 165
HSPF2 · BTU/Wh7.8–8.1165 / 165
Cooling capacity · BTU/h22,800–24,200165 / 165
Heating capacity at 47°F / 8.3°C · BTU/h20,600–22,800165 / 165
Heating capacity at 17°F / −8.3°C · BTU/h13,100–14,500165 / 165
Heating capacity at 5°F / −15°C · BTU/h9,600–12,000165 / 165
COP at 5°F / −15°C1.96–2.3165 / 165
Equipment / loop typeHP - Split System165 / 165
Refrigerant / source-reported GWPR-410A (GWP:2088)165 / 165
Compressor stagingTwo-stage165 / 165
Connected capabilityNo165 / 165

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
XAFB36DXXN1+TXV+ furnace: TL8E060A12UH11AHRI reference: 21084544615.207.80101002.06EPA 3989378
JHETB24CBAS2N1AHRI reference: 21080315515.207.80116002.26EPA 3989533
XAHB30CBAN1+JMVT12BC2N1AHRI reference: 21084923215.208.10108002.12EPA 3989557
XAHC30CBAN1+ furnace: TP9C080B12MP13AHRI reference: 21084931315.207.80110002.10EPA 3989576
XAHC30CBAN1+ furnace: TM9E080C16MP12AHRI reference: 21084931515.208.10112002.12EPA 3989577
XAFB30CBAN1+ furnace: TM9E060B12MP12AHRI reference: 21084931615.207.80109002.04EPA 3989578
XAHC30CBAN1+ furnace: TM9Y080C16MP11AHRI reference: 21085007315.207.80109002.08EPA 3989607
XAFB36DBAN1+ furnace: TM8Y060A12MP11AHRI reference: 21085017215.207.80102002.02EPA 3989619
XAHC30CBAN1+ furnace: TL9E080C16UH11AHRI reference: 21084769315.207.80112002.10EPA 3989651
XAHC36DBAN1+ furnace: TM9E080C16MP12AHRI reference: 21084769615.207.80110002.18EPA 3989653
XAHC36DBAN1+ furnace: TM9Y080B12MP11AHRI reference: 21084769515.207.80106002.12EPA 3989654
XAHC36DBAN1+ furnace: TM9V080B12MP12AHRI reference: 21084793615.207.80108002.18EPA 3989704
XAFB30CBAN1+ furnace: TM9V080B12MP12AHRI reference: 21084901415.207.80107002.04EPA 3989745
XAHC30CBAN1+ furnace: TM9Y100C16MP11AHRI reference: 21084912615.207.80109002.08EPA 3989762
XAFB36DXXN1+TXV+ furnace: TM8Y060A12MP11AHRI reference: 21085108415.207.80102002.02EPA 3989788
XAHB30CBAN1+ furnace: TL8E060A12UH11AHRI reference: 21085119115.207.80107002.08EPA 3989813
XAFB36DBAN1+ furnace: TL8E060A12UH11AHRI reference: 21085120215.207.80101002.06EPA 3989814
XAFB36DBAN1+ furnace: TM8Y080B12MP11AHRI reference: 21084566515.207.80100002.00EPA 3989873
XAHB30CBAN1+ furnace: TM9V080B12MP12AHRI reference: 21084568015.207.80110002.10EPA 3989875
XAHB30CBAN1+ furnace: TM9Y080B12MP11AHRI reference: 21084567915.207.80109002.08EPA 3989877

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 →