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      4-ton central heat pump · LX SERIES

      Coleman THF2B48T21

      Below average cooling and heating efficiency for a 4-ton central heat pump, but not rated for cold climates.

      Ranks #236 of 319 4 ton central heat pumps for cooling efficiency, and costs about $1,458 a year to run in a mixed climate like Atlanta.

      SEER2
      16.0 Cooling efficiency over a season
      Below average · beats 26%
      HSPF2
      8.1 Heating efficiency over a season
      Below average · beats 20%
      EER2
      11.7 Cooling efficiency on a 95°F day
      Average · beats 43%
      Heat at 5°F
      29,800 BTU/h55% of its 47°F output
      Excellent · beats 100%

      A good fit if…

      • You want a choice of indoor units - 1,798 certified pairings.

      Think twice if…

      • You often see nights below 0°F - it is not cold-climate certified.
      • Cooling cost matters most - its SEER2 is below average for central heat pumps.
      • You mainly need heat - its HSPF2 is below average for central heat pumps.
      • You want the newest refrigerant - it uses R-410A, which is being phased down.

      Calculate my running cost

      Details

      Specifications4 ton, R-410A
      General
      BrandColeman
      Also sold asLuxaire, CHAMPION HEATING AND COOLING, Fraser-Johnston, Johnson Controls
      Outdoor unit modelTHF2B48T21
      SeriesLX SERIES
      TypeCentral heat pump
      Nominal size4 ton
      CompressorVariable-speed units run longer at low powerTwo-stage
      RefrigerantR-410A
      Connected (smart) capableNo
      On the market sinceMay 18, 2023
      Last certifiedJuly 17, 2026
      Cooling
      SEER2Seasonal efficiency, higher is better16.0 (range 15.2-16.0)
      EER2Efficiency at 95°F outdoors11.0-12.0
      Cooling capacity44,500-47,500 BTU/h
      Heating
      HSPF2Seasonal efficiency, higher is better7.8-8.1
      Capacity at 47°F43,500-47,500 BTU/h
      Capacity at 17°F29,200-34,200 BTU/h
      Capacity at 5°F23,400-29,800 BTU/h
      COP at 5°F2.0 = twice as efficient as a space heater2.22-2.84
      ENERGY STAR cold climateNo
      Heating output as it gets colder55% kept at 5°F

      Every heat pump delivers less heat as the outdoor temperature drops. Certified output of its matchup with XAHC60HBCN1 at the standard test temperatures, in BTU/h:

      Certified matchups1,798 indoor units

      The same outdoor unit scores differently with each indoor unit and furnace. The 60 highest-rated of 1,798 are shown. Ask your installer for the AHRI reference number of the exact system you are quoted.

      Indoor unitFurnaceSEER2EER2HSPF2Heat @5°FAHRI ref.
      XAHC60HBCN1Z8ET080C16LMPS116.011.78.124,400212413642
      XAHD60GBCN1Z8ES130D20LMPS116.011.78.125,400212475891
      XAHC60HBCN1Z8ET100C20LMPS116.011.78.124,400212418061
      XAHC60HBCN1Z8ES100C20LMPS116.011.78.124,400212478622
      XAHC60HBCN1Z8ES100C20LMPS116.011.78.124,400212478621
      XAHC60HBCN1Z8ES100C20SMPS116.011.78.124,400212413820
      XAHD60GBCN1Z8ES130D20LMPS116.011.78.125,400212475893
      XAHC60GBCN1Z8ES080C16LMPS116.011.78.125,000212483444
      XAHC60HBCN1Z8ES100C20SMPS116.011.78.124,400212413821
      XAHC60HBCN1Z8ES100C20LMPS116.011.78.124,400212478624
      XAHD60GBCN1Z8ES130D20LMPS116.011.78.125,400212475903
      XAHD60GBCN1Z8ES130D20LMPS116.011.78.125,400212475897
      XAHD60GBCN1Z8ES130D20LMPS116.011.78.125,400212475895
      XAHD60GBCN1Z8ES130D20SMPS116.011.78.125,400212417162
      XAHC60HBCN1Z8ET100C20LMPS116.011.78.124,400212418057
      XAHC60HBCN1Z8ES100C20SMPS116.011.78.124,400212413819
      XAHD60HBCN1Z8ET100C20LMPS116.011.78.124,400212418047
      XAHC60HBCN1Z8ES080C16SMPS116.011.78.124,400212413974
      XAHC60HBCN1Z8ES080C16SMPS116.011.78.124,400212413975
      XAHC60HBCN1Z8ES080C16SMPS116.011.78.124,400212413976
      XAHC60HBCN1Z8ES080C16SMPS116.011.78.124,400212413978
      XAHC60HBCN1Z8ES080C16SMPS116.011.78.124,400212413977
      XAHD60GBCN1Z8ES130D20SMPS116.011.78.125,400212417160
      XAHC60GBCN1Z8ES120C16LMPS116.011.78.125,200212483269
      XAHC60GBCN1Z8ES120C16LMPS116.011.78.125,200212483266
      XAHC60GBCN1Z8ES120C16LMPS116.011.78.125,200212483274
      XAHC60GBCN1Z8ES120C16LMPS116.011.78.125,200212483279
      XAHC60GBCN1Z8ES120C16LMPS116.011.78.125,200212483292
      XAHC60GBCN1Z8ES080C16LMPS116.011.78.125,000212483417
      XAHC60GBCN1Z8ES080C16LMPS116.011.78.125,000212483422
      XAHC60GBCN1Z8ES080C16LMPS116.011.78.125,000212483427
      XAHC60GBCN1Z8ES080C16LMPS116.011.78.125,000212483431
      XAHC60HBCN1Z8ES100C20LMPS116.011.78.124,400212478625
      XAHC60HBCN1Z8ES100C20LMPS116.011.78.124,400212478629
      XAHC60HBCN1Z8ET080C16LMPS116.011.78.124,400212413639
      XAHC60HBCN1Z8ET080C16LMPS116.011.78.124,400212413641
      XAHC60HBCN1Z8ET080C16LMPS116.011.78.124,400212413640
      XAHC60HBCN1Z8ET080C16LMPS116.011.78.124,400212413643
      XAHC60GBCN1Z8ES080C16SMPS116.011.78.125,000212417472
      XAHC60GBCN1Z8ES080C16SMPS116.011.78.125,000212417471
      XAHC60GBCN1Z8ES080C16SMPS116.011.78.125,000212417470
      XAHC60GBCN1Z8ES080C16SMPS116.011.78.125,000212417474
      XAHC60GBCN1Z8ES080C16SMPS116.011.78.125,000212417473
      XAHD60HBCN1Z8ET100C20LMPS116.011.78.124,400212418050
      XAHD60HBCN1Z8ET100C20LMPS116.011.78.124,400212418048
      XAHD60HBCN1Z8ET100C20LMPS116.011.78.124,400212418049
      XAHD60HBCN1Z8ET100C20LMPS116.011.78.124,400212418051
      XAHD60GBCN1Z8ES130D20SMPS116.011.78.125,400212417163
      XAHD60GBCN1Z8ES130D20SMPS116.011.78.125,400212417161
      XAHD60GBCN1Z8ES130D20SMPS116.011.78.125,400212417164
      XAHC60GBCN1Z8ES120C16SMPS116.011.78.125,200212417245
      XAHC60GBCN1Z8ES120C16SMPS116.011.78.125,200212417246
      XAHC60GBCN1Z8ES120C16SMPS116.011.78.125,200212417247
      XAHC60GBCN1Z8ES120C16SMPS116.011.78.125,200212417248
      XAHC60GBCN1Z8ES120C16SMPS116.011.78.125,200212417249
      XAHC60HBCN1Z8ET100C20LMPS116.011.78.124,400212418058
      XAHC60HBCN1Z8ET100C20LMPS116.011.78.124,400212418059
      XAHC60HBCN1Z8ET100C20LMPS116.011.78.124,400212418060
      XAHC60HBCN1Z8ES080C16LMPS116.011.78.124,400212483711
      XAHC60HBCN1Z8ES080C16LMPS116.011.78.124,400212483708
      Yearly running cost in 10 large cities$1,335-$3,458

      At each state's average electricity price and the city's typical heating and cooling hours.

      Questions5
      What is the SEER2 rating of the Coleman THF2B48T21?
      The Coleman THF2B48T21 is rated at up to 16.0 SEER2 and 11.7 EER2 for cooling and up to 8.1 HSPF2 for heating. The exact figure depends on the indoor unit it is paired with; across its 1798 certified matchups SEER2 ranges from 15.2-16.0.
      Is the Coleman THF2B48T21 good for cold climates?
      It is not cold-climate certified: none of its matchups meet the ENERGY STAR cold-climate criteria (a COP of at least 1.75 at 5°F among other limits). In places with frequent sub-zero nights, pick a cold-climate 4-ton model.
      How much does the Coleman THF2B48T21 cost to run per year?
      At its rated efficiency it costs about $1,335-$3,458 a year in electricity in large U.S. cities, depending on climate and local rates - for example $1,630 in Phoenix and $2,878 in Minneapolis. The calculator on this page works it out for your city and compares it with your current system.
      Which indoor units work with the Coleman THF2B48T21?
      ENERGY STAR lists 1798 certified combinations for this outdoor unit. The highest-rated ones use XAHC60HBCN1, XAHD60GBCN1, XAHC60GBCN1.
      What refrigerant does the Coleman THF2B48T21 use?
      It uses R-410A. R-410A is being phased down under the EPA AIM Act, and new systems are moving to R-454B and R-32.

      Running cost and savings

      Pre-filled with this model. Pick your city and what you heat with today; everything else is optional.

      Heat pump $1,609/yrYou save $712/yrSee details ↓
      1. Where you live
      Adjust heating and cooling hours

      Filled in from your city's climate. Change them if you run the system much more or less than usual.

      2. The heat pump Coleman THF2B48T21
      3. What it replaces
      4. Price replace the example with your quote
      Heat pump, per year
      $1,609
      Current system, per year
      $2,322
      You save per year
      $712
      Payback
      23.9 years
      Net after 10 years
      -$9,878

      Cooling $1,001Heating $608Electricity used: 10,059 kWhSaved vs. a minimum-efficiency heat pump: $168

      Estimates use the unit's rated SEER2 and HSPF2, full-load hours derived from NOAA 1991-2020 degree days, average residential electricity prices from the U.S. EIA (12 months to July 2026) and fuel prices from EIA (2025 for natural gas, week of 2026-10-05 for propane and heating oil). Very cold days that need backup heat are not modelled. Federal minimum for comparison: 14.3 SEER2 / 7.5 HSPF2.

      Similar 4 ton models

      See all 319 4 ton central heat pumps, ranked

      Source: ENERGY STAR Certified Heat Pumps (U.S. EPA), certification of July 17, 2026. How we use the data.