Tempstar / AIR-SOURCE HEAT PUMP

Q5H9V48*K*AAA*

QuietComfort 19 SEER2 VS HP · source records, page 3

507 published source records · source checked Sep 21, 2026

SEER2 range15.2–19BTU/Wh
HSPF2 range8.5–10BTU/Wh
Cooling capacity43,500–49,500BTU/h

Each efficiency range summarizes published EPA records for Q5H9V48*K*AAA*. 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 507 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/Wh15.2–19507 / 507
EER2 · BTU/Wh10–13.5507 / 507
HSPF2 · BTU/Wh8.5–10507 / 507
Cooling capacity · BTU/h43,500–49,500507 / 507
Heating capacity at 47°F / 8.3°C · BTU/h46,500–55,000507 / 507
Heating capacity at 17°F / −8.3°C · BTU/h38,500–47,000507 / 507
Heating capacity at 5°F / −15°C · BTU/h36,000–41,500507 / 507
COP at 5°F / −15°C1.95–2.32507 / 507
Equipment / loop typeHP - Split System507 / 507
Refrigerant / source-reported GWPR-454B (GWP:470 | Lower GWP)507 / 507
Compressor stagingContinuously variable507 / 507
Connected capabilityNo507 / 507

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
EVM5X49M21A*+ furnace: *80CSU0802120B*Cold climate designationAHRI reference: 21791538016.509.00405002.15EPA 4532109
EVM5X49M21A*+ furnace: *95MSU1002122A*Cold climate designationAHRI reference: 21791565316.509.00405002.10EPA 4533166
EVM5X49M21A*+ furnace: *80VSL1102122B*Cold climate designationAHRI reference: 21791541916.509.50400002.24EPA 4533254
EVM5X49M21A*+ furnace: *80MSU0802120A*Cold climate designationAHRI reference: 21791544516.509.00400002.15EPA 4533282
EVM5X60M21A*+ furnace: *80CTL1102120B*Cold climate designationAHRI reference: 21791592716.509.50405002.22EPA 4533495
EVM5X60M21A*+ furnace: *80VTL0902120B*Cold climate designationAHRI reference: 21791594016.509.50405002.22EPA 4533507
EVM5X49M21A*+ furnace: *80CTL1102120B*Cold climate designationAHRI reference: 21791549716.509.50405002.22EPA 4533606
EVM5X60M21A*+ furnace: *95CSU1002122B*Cold climate designationAHRI reference: 21791597916.509.00400002.15EPA 4534830
EVM5X60M21A*+ furnace: *95MSU1002122A*Cold climate designationAHRI reference: 21791608316.509.00400002.10EPA 4535319
EVM5X60M21A*+ furnace: *80CSU0802120B*Cold climate designationAHRI reference: 21791581016.509.50400002.24EPA 4535746
EVM5X60M21A*+ furnace: *80VSL0902120B*Cold climate designationAHRI reference: 21791583616.509.50405002.22EPA 4535774
EVM5X49M21A*+ furnace: *80MSU1002120A*Cold climate designationAHRI reference: 21791545816.509.00405002.10EPA 4536245
EVM5X49M21A*+ furnace: *80CTL0902120B*Cold climate designationAHRI reference: 21791548416.509.50405002.22EPA 4536281
EVD5X60M21A*+ furnace: *95CSU1002122B*Cold climate designationAHRI reference: 21791714016.509.00400002.10EPA 4536396
EVD5X48M21A*+ furnace: *80MSU0802120A*Cold climate designationAHRI reference: 21791630516.509.00395002.10EPA 4536434
EVD5X61M21A*+ furnace: *97CMN1002122B*Cold climate designationAHRI reference: 21791759116.509.00410002.10EPA 4536655
EVD5X49M24A*+ furnace: *96VTN1002122B*Cold climate designationAHRI reference: 21791690616.509.50405002.24EPA 4536894
EVD5X60M21A*+ furnace: *80CTL1102120B*Cold climate designationAHRI reference: 21791708816.509.50405002.24EPA 4536917
EVD5X60M21A*+ furnace: *80VTL0902120B*Cold climate designationAHRI reference: 21791710116.509.50405002.22EPA 4536929
EVD5X60M21A*+ furnace: *80CSU0802120B*Cold climate designationAHRI reference: 21791697116.509.50400002.24EPA 4537263

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 →