Fraser-Johnston / AIR-SOURCE HEAT PUMP

THF2B42T21

LX SERIES · EPA record 2840166

Source checked Sep 21, 2026

Performance & equipment details

Values below belong to EPA record 2840166. Temperature points and test metrics are preserved as reported. Missing and zero values are not substituted with estimates.

Metric or attributeSource value
SEER2 · BTU/Wh16.00
EER2 · BTU/Wh12.00
HSPF2 · BTU/Wh8.10
Cooling capacity · BTU/h41500
Heating capacity at 47°F / 8.3°C · BTU/h38500
Heating capacity at 17°F / −8.3°C · BTU/h25000
Heating capacity at 5°F / −15°C · BTU/h20600
COP at 5°F / −15°C2.34
Equipment / loop typeHP - Split System
Refrigerant / source-reported GWPR-410A (GWP:2088)
Compressor stagingTwo-stage
Connected capabilityNo

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This listed system

These ratings apply to the listed configuration. Changing a component may change performance.

Outdoor unitTHF2B42T21
+
Indoor unitXAFD60GXXN1+JMVT20DC2N1+TXV

AHRI reference 213271030 · reported by ENERGY STAR; no direct AHRI data connection.

All source records for THF2B42T21

Specifications & provenance

Every value below is preserved from the source record. Checked Sep 21, 2026. Asterisks and other model wildcards are retained as published.

Source fieldReported valueEvidence
pd id2840166EPA Sep 21, 2026
marketsUnited States, CanadaEPA Sep 21, 2026
cop at 5 f2.34EPA Sep 21, 2026
eer2 btu wh12.00EPA Sep 21, 2026
series nameLX SERIESEPA Sep 21, 2026
cold climateNoEPA Sep 21, 2026
hspf2 btu wh8.10EPA Sep 21, 2026
model numberTHF2B42T21EPA Sep 21, 2026
product typeHP - Split SystemEPA Sep 21, 2026
seer2 btu wh16.00EPA Sep 21, 2026
date certified2026-07-07T00:00:00.000EPA Sep 21, 2026
manufacturer typeSystem ManufacturerEPA Sep 21, 2026
compressor stagingTwo-stageEPA Sep 21, 2026
energy star partnerJohnson Controls, Inc.EPA Sep 21, 2026
connected capabilityNoEPA Sep 21, 2026
refrigerant with gwpR-410A (GWP:2088)EPA Sep 21, 2026
ahri reference number213271030EPA Sep 21, 2026
cooling capacity btu h41500EPA Sep 21, 2026
outdoor unit brand nameFraser-JohnstonEPA Sep 21, 2026
date available on market2023-08-23T00:00:00.000EPA Sep 21, 2026
indoor unit model numberXAFD60GXXN1+JMVT20DC2N1+TXVEPA Sep 21, 2026
energy star model identifierES_21045_THF2B42T21_08242023013026_3620312EPA Sep 21, 2026
heating capacity at 5 f btu h20600EPA Sep 21, 2026
meets most efficient criteriaNoEPA Sep 21, 2026
heating capacity at 17 f btu h25000EPA Sep 21, 2026
heating capacity at 47 f btu h38500EPA Sep 21, 2026
meets peak cooling requirementsYesEPA Sep 21, 2026
controls verification procedure cvp testNoneEPA Sep 21, 2026