Comfortmaker / AIR-SOURCE HEAT PUMP

R5H5S31*K*AAA*

15 SEER2 HP

39 published source records · source checked Sep 21, 2026

SEER2 range15.2–16BTU/Wh
HSPF2 range7.8–8BTU/Wh
Cooling capacity27,400–29,400BTU/h

Each efficiency range summarizes published EPA records for R5H5S31*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 39 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/Wh15.2–1639 / 39
EER2 · BTU/Wh11.7–1339 / 39
HSPF2 · BTU/Wh7.8–839 / 39
Cooling capacity · BTU/h27,400–29,40039 / 39
Heating capacity at 47°F / 8.3°C · BTU/h29,400–30,60039 / 39
Heating capacity at 17°F / −8.3°C · BTU/h17,500–18,20039 / 39
Heating capacity at 5°F / −15°C · BTU/h13,400–14,00039 / 39
COP at 5°F / −15°C2–2.0639 / 39
Equipment / loop typeHP - Split System39 / 39
Refrigerant / source-reported GWPR-454B (GWP:470 | Lower GWP)39 / 39
Compressor stagingSingle stage39 / 39
Connected capabilityNo39 / 39

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
FHMA5*42L*C*AHRI reference: 21768337116.008.00134002.05EPA 4505993
F5MA5*42L*C*AHRI reference: 21768337216.008.00134002.05EPA 4505994
FMA5X30**AL*AHRI reference: 21768360816.008.00137002.00EPA 4506060
FM(C,U)5Z36**AL*AHRI reference: 21768351216.008.00134002.00EPA 4506123
FM(C,U)5Z30**AL*AHRI reference: 21768348016.008.00134002.00EPA 4506697
FMA5X36**AL*AHRI reference: 21768364016.008.00137002.00EPA 4506745
F5MA5*30L*B*AHRI reference: 21768324415.507.80134002.00EPA 4505704
FHMA5*30L*B*AHRI reference: 21768324315.507.80134002.00EPA 4506042
EA*5X37M21A*+ furnace: *97VTN1002122A*AHRI reference: 21769156515.508.00140002.06EPA 4506783
EA*5X43M21A*+ furnace: *95MSU1002122A*AHRI reference: 21769309115.508.00140002.06EPA 4506803
EA*5X37M21A*+ furnace: *92MSN0802120A*AHRI reference: 21769083315.508.00140002.06EPA 4506826
EA*5X37M21A*+ furnace: *92MSN1002120A*AHRI reference: 21769085615.508.00140002.06EPA 4506849
EA*5X37M21A*+ furnace: *80CSU0401712B*AHRI reference: 21768996115.508.00139002.06EPA 4506884
EA*5X37M21A*+ furnace: *92MSN1002122A*AHRI reference: 21769087815.508.00140002.06EPA 4506903
EA*5X37M21A*+ furnace: *80CSU0802120B*AHRI reference: 21769000515.508.00140002.06EPA 4506924
EA*5X43M21A*+ furnace: *80CSU0401712B*AHRI reference: 21769180815.508.00139002.06EPA 4506940
EA*5X43M21A*+ furnace: *97VTN1002122A*AHRI reference: 21769350915.508.00140002.06EPA 4506955
EA*5X37M21A*+ furnace: *80MS(N,L)0902120A*AHRI reference: 21769017115.508.00140002.06EPA 4506977
EA*5X37M21A*+ furnace: *80MS(N,L)1102120A*AHRI reference: 21769019615.508.00140002.06EPA 4507002
EA*5X43M21A*+ furnace: *80CSU0802120B*AHRI reference: 21769185215.508.00139002.04EPA 4507032

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 →