Fraser-Johnston / AIR-SOURCE HEAT PUMP

XH636E2S11

LX SERIES · source records, page 8

454 published source records · source checked Sep 21, 2026

SEER2 range15.2–17BTU/Wh
HSPF2 range8–8.5BTU/Wh
Cooling capacity32,800–36,000BTU/h

Each efficiency range summarizes published EPA records for XH636E2S11. 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 454 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/Wh15.2–17454 / 454
EER2 · BTU/Wh11–12454 / 454
HSPF2 · BTU/Wh8–8.5454 / 454
Cooling capacity · BTU/h32,800–36,000454 / 454
Heating capacity at 47°F / 8.3°C · BTU/h34,000–36,200454 / 454
Heating capacity at 17°F / −8.3°C · BTU/h22,000–23,800454 / 454
Heating capacity at 5°F / −15°C · BTU/h17,600–19,800454 / 454
COP at 5°F / −15°C2–2.5454 / 454
Equipment / loop typeHP - Split System454 / 454
Refrigerant / source-reported GWPR-454B (GWP:470 | Lower GWP)454 / 454
Compressor stagingTwo-stage454 / 454
Connected capabilityNo454 / 454

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
CTM48C5CFS1+ furnace: Z8ES100C16LMPS1AHRI reference: 21701824616.008.50195002.42EPA 4013502
CTM36C5CDS1+ furnace: Z8ES080C20LMPS1AHRI reference: 21701824816.008.10187002.34EPA 4013504
CTM48C5CFS1+ furnace: Z8ES080C20LMPS1AHRI reference: 21701825016.008.50193002.44EPA 4013505
CTM36C5CDS1+ furnace: Z8ES080C16LMPS1AHRI reference: 21701825216.008.10188002.34EPA 4013507
CTM36C5CDS1+ furnace: Z8ET100C20LMPS1AHRI reference: 21701825416.008.10183002.34EPA 4013508
CTM48C5CFS1+ furnace: Z8ET100C20LMPS1AHRI reference: 21701825616.008.10192002.44EPA 4013509
CTM36C5CDS1+ furnace: Z8ET120C20LMPS1AHRI reference: 21701826016.008.10189002.34EPA 4013510
CTM48C5CFS1+ furnace: Z8ET120C20LMPS1AHRI reference: 21701825816.008.50194002.44EPA 4013511
CTM36C5CDS1+ furnace: Z8ES120C20SMPS1AHRI reference: 21701826416.008.10188002.32EPA 4013565
CTM36C5CDS1+ furnace: Z8ET080C16LMPS1AHRI reference: 21701826716.008.10188002.34EPA 4013566
CTM48C5CFS1+ furnace: Z8ET080C16LMPS1AHRI reference: 21701826516.008.50193002.44EPA 4013567
CTM48C5CFS1+ furnace: Z8ET100C16LMPS1AHRI reference: 21701826916.008.50193002.44EPA 4013569
CTM36C5CDS1+ furnace: Z8ET100C16LMPS1AHRI reference: 21701827216.008.10185002.36EPA 4013571
CTM48C5CFS1+ furnace: Z8ES080C20SMPS1AHRI reference: 21701827616.008.50193002.44EPA 4013573
CTM36C5CDS1+ furnace: Z8ES080C20SMPS1AHRI reference: 21701827716.008.10187002.34EPA 4013574
CTM36C5CDS1+ furnace: Z8ES080C16SMPS1AHRI reference: 21701827916.008.10188002.34EPA 4013576
CTM36C5CDS1+ furnace: Z8ES120C16SMPS1AHRI reference: 21701828116.008.10185002.36EPA 4013578
CTM48C5CFS1+ furnace: Z8ES120C16SMPS1AHRI reference: 21701828316.008.50190002.46EPA 4013580
CTM48C5CFS1+ furnace: Z8ES100C16SMPS1AHRI reference: 21701828516.008.50195002.42EPA 4013581
CTM36C5CDS1+ furnace: Z8ES100C16SMPS1AHRI reference: 21701828716.008.10186002.34EPA 4013582

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 →