ECOTEMP / AIR-SOURCE HEAT PUMP

W5H8T48*K*AAA*

2-STAGE 18 SEER HP · source records, page 5

106 published source records · source checked Sep 21, 2026

SEER2 range15.2–18BTU/Wh
HSPF2 range7.8–8.5BTU/Wh
Cooling capacity46,000–50,000BTU/h

Each efficiency range summarizes published EPA records for W5H8T48*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 106 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/Wh15.2–18106 / 106
EER2 · BTU/Wh11.7–13.5106 / 106
HSPF2 · BTU/Wh7.8–8.5106 / 106
Cooling capacity · BTU/h46,000–50,000106 / 106
Heating capacity at 47°F / 8.3°C · BTU/h48,500–52,000106 / 106
Heating capacity at 17°F / −8.3°C · BTU/h30,000–32,400106 / 106
Heating capacity at 5°F / −15°C · BTU/h23,800–26,200106 / 106
COP at 5°F / −15°C2.1–2.32106 / 106
Equipment / loop typeHP - Split System106 / 106
Refrigerant / source-reported GWPR-454B (GWP:470 | Lower GWP)106 / 106
Compressor stagingTwo-stage106 / 106
Connected capabilityNo106 / 106

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
W5A*61M21XA*+ furnace: WFET110C066A*AHRI reference: 21563254316.008.10254002.22EPA 3953129
W5A*61M21XA*+ furnace: WFSU080C060B*AHRI reference: 21563267716.008.10256002.20EPA 3953192
W5A*61M21XA*+ furnace: WFSU100C060B*AHRI reference: 21563269616.008.10256002.20EPA 3953212
W5A*61M21XA*+ furnace: WFST100C060A*AHRI reference: 21563277416.008.10256002.20EPA 3953288
W5A*61M24XA*+ furnace: WFEU100C060B*AHRI reference: 21563286516.008.10262002.18EPA 3953419
W5A*61M24XA*+ furnace: WFET110C066A*AHRI reference: 21563295516.008.10258002.20EPA 3953495
W5A*61M24XA*+ furnace: WFSU100C060B*AHRI reference: 21563312416.008.10260002.20EPA 3953660
W5SH48M12XA*+ furnace: WFET110C066A*AHRI reference: 21563356016.008.00250002.20EPA 3953694
W5SH48M12XA*+ furnace: WFST100C060A*AHRI reference: 21563393416.008.00252002.20EPA 3953869
W5SH60M12XA*+ furnace: WFST100C060A*AHRI reference: 21563465216.008.00252002.25EPA 3954054
W5SH60M12XA*+ furnace: WFEU060B048B*AHRI reference: 21563410616.007.80252002.20EPA 3954097
W5SH60M12XA*+ furnace: WFEU080C060B*AHRI reference: 21563412516.008.00248002.25EPA 3954112
W5SH60M12XA*+ furnace: WFET110C066A*AHRI reference: 21563427816.008.00250002.25EPA 3954223
W5A*61M21XA*+ furnace: WFJT100C060A*AHRI reference: 21572183016.008.00256002.20EPA 3982249
W5A*48M21XA*+ furnace: WFSU080C060B*AHRI reference: 21563163415.508.10252002.20EPA 3952430
W5A*48M21XA*+ furnace: WFST100C060A*AHRI reference: 21563177115.508.10252002.20EPA 3952514
W5A*60M24XA*+ furnace: WFSU100C060B*AHRI reference: 21563214815.508.10260002.20EPA 3952811
W5A*60M24XA*+ furnace: WFST100C060A*AHRI reference: 21563224015.508.10258002.20EPA 3952901
W5A*61M24XA*+ furnace: WFST100C060A*AHRI reference: 21563321615.508.10262002.18EPA 3953342
W5A*60M24XA*+ furnace: WFSU080C060B*AHRI reference: 21563212915.208.10258002.20EPA 3952718

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 →