Century / AIR-SOURCE HEAT PUMP

HRG1836S1P

HRG18 SERIES

47 published source records · source checked Sep 21, 2026

SEER2 range17.1–19BTU/Wh
HSPF2 range7.8–8.5BTU/Wh
Cooling capacity23,000–34,600BTU/h

Each efficiency range summarizes published EPA records for HRG1836S1P. 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 47 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/Wh17.1–1947 / 47
EER2 · BTU/Wh11.7–12.347 / 47
HSPF2 · BTU/Wh7.8–8.547 / 47
Cooling capacity · BTU/h23,000–34,60047 / 47
Heating capacity at 47°F / 8.3°C · BTU/h23,000–34,60047 / 47
Heating capacity at 17°F / −8.3°C · BTU/h15,000–22,40047 / 47
Heating capacity at 5°F / −15°C · BTU/h14,300–18,20047 / 47
COP at 5°F / −15°C1.85–2.1847 / 47
Equipment / loop typeHP - Split System47 / 47
Refrigerant / source-reported GWPR-410A (GWP:2088)47 / 47
Compressor stagingContinuously variable47 / 47
Connected capabilityNo47 / 47

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
EAC4X24B+ furnace: GUH92C070B3MAHRI reference: 20707133119.007.80155001.95EPA 2447456
EAC4X30B+ furnace: GUH96T070B3MAHRI reference: 20707134519.008.10148001.97EPA 2447466
EAH1P30B+H4TXV01+ furnace: GUH96T045B3MAHRI reference: 20707136319.008.50150002.03EPA 2447520
EAH1P30B+H4TXV01+ furnace: GUH96T070B3MAHRI reference: 20707136519.008.50149002.04EPA 2447522
EAH1P30B+H4TXV01+ furnace: GUH92C045B3MAHRI reference: 20707136919.008.50152002.03EPA 2447526
EAH1P30B+H4TXV01+ furnace: GUH92C070B3MAHRI reference: 20707137119.008.50151002.04EPA 2447528
E*1P23B+H4TXV01+ furnace: GUH96T045B3MAHRI reference: 20707126319.008.10143001.89EPA 2447610
E*1P23B+H4TXV01+ furnace: GUH96T070B3MAHRI reference: 20707126519.008.10143001.91EPA 2447611
E*1P23B+H4TXV01+ furnace: GUH92C070B3MAHRI reference: 20707127119.008.10145001.92EPA 2447617
EA(C,U)1P24B+H4TXV01+ furnace: GUH96T045B3MAHRI reference: 20707128319.007.80153001.93EPA 2447632
EA(C,U)1P24B+H4TXV01+ furnace: GUH96T070B3MAHRI reference: 20707128519.007.80152001.93EPA 2447634
EA(C,U)1P24B+H4TXV01+ furnace: GUH92C070B3MAHRI reference: 20707129119.007.80155001.95EPA 2447698
EA(C,U)1P30B+H4TXV01+ furnace: GUH96T070B3MAHRI reference: 20707130519.008.10148001.97EPA 2447708
EAC4X24B+ furnace: GUH96T045B3MAHRI reference: 20707132319.007.80153001.93EPA 2447720
EAC4X24B+ furnace: GUH96T070B3MAHRI reference: 20707132519.007.80152001.93EPA 2447722
HCG36V1PAHRI reference: 20707102519.008.50181002.16EPA 2447724
EAC4X24B+ furnace: GUH92C045B3MAHRI reference: 20707132918.507.80155001.91EPA 2447454
EAC4X30B+ furnace: GUH96T045B3MAHRI reference: 20707134318.508.10149001.96EPA 2447464
EAC4X30B+ furnace: GUH92C045B3MAHRI reference: 20707134918.508.10151001.96EPA 2447470
EAC4X30B+ furnace: GUH92C070B3MAHRI reference: 20707135118.508.10150001.97EPA 2447472

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 →