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      4-ton central heat pump · XV17

      Trane 4TWV7X48A1

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

      Ranks #161 of 319 4 ton central heat pumps for cooling efficiency, and costs about $1,391 a year to run in a mixed climate like Atlanta.

      SEER2
      17.1 Cooling efficiency over a season
      Average · beats 53%
      HSPF2
      8.5 Heating efficiency over a season
      Below average · beats 38%
      EER2
      11.7 Cooling efficiency on a 95°F day
      Average · beats 43%
      Heat at 5°F
      28,800 BTU/h70% of its 47°F output
      Below average · beats 20%

      A good fit if…

      • You want steady temperatures and quiet running - the compressor varies its speed.
      • You want a choice of indoor units - 129 certified pairings.

      Think twice if…

      • You often see nights below 0°F - it is not cold-climate certified.
      • 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
      BrandTrane
      Outdoor unit model4TWV7X48A1
      SeriesXV17
      TypeCentral heat pump
      Nominal size4 ton
      CompressorVariable-speed units run longer at low powerContinuously variable
      RefrigerantR-410A
      Connected (smart) capableNo
      On the market sinceApril 25, 2024
      Last certifiedJuly 9, 2025
      Cooling
      SEER2Seasonal efficiency, higher is better17.1 (range 17.0-17.1)
      EER2Efficiency at 95°F outdoors11.7-12.0
      Cooling capacity44,000-47,000 BTU/h
      Heating
      HSPF2Seasonal efficiency, higher is better8.1-8.5
      Capacity at 47°F40,000-48,000 BTU/h
      Capacity at 17°F35,200-37,600 BTU/h
      Capacity at 5°F27,400-28,800 BTU/h
      COP at 5°F2.0 = twice as efficient as a space heater1.70-1.90
      ENERGY STAR cold climateNo
      Heating output as it gets colder70% kept at 5°F

      Every heat pump delivers less heat as the outdoor temperature drops. Certified output of its matchup with TAMXB0C42V41 at the standard test temperatures, in BTU/h:

      Certified matchups129 indoor units

      The same outdoor unit scores differently with each indoor unit and furnace. The 60 highest-rated of 129 are shown. Ask your installer for the AHRI reference number of the exact system you are quoted.

      Indoor unitFurnaceSEER2EER2HSPF2Heat @5°FAHRI ref.
      TAMXB0C42V41-17.111.78.527,800212391367
      TAMXB0C60V51-17.112.08.527,800212391368
      TAMXB0C48V41-17.111.78.528,000212391375
      4PX*CD60BS3S9V2C100D5PSB+LRP17.111.78.528,400213826605
      4PX*CD60BS3S9V2C100D4VSB+LRP17.111.78.528,400213826607
      4PX*CD60BS3S9V2C100D4VSA+LRP17.111.78.528,400213826609
      4PX*CD60BS3S9V2C100D5PSC+LRP17.111.78.528,400213826611
      4PX*CU42BS3L8V1C100U5VSB+LRP17.111.78.528,800213826613
      4PX*CU48BS3L8V1C100U5VSB+LRP17.111.78.528,800213826615
      4PX*CU48BS3*UHMC100ACV4+LRP17.111.78.528,600213826619
      4PX*CU48BS3*UHMC100CCV4+LRP17.111.78.528,600213826617
      4PX*CU60BS3*UHMC100CCV4+LRP17.112.08.528,200213826623
      4PX*CU60BS3*UHMC100ACV4+LRP17.112.08.528,200213826621
      4PX*CU60BS3L8V1C100U5VSB+LRP17.112.08.528,400213826625
      4TXCD010DS3S9V2C100U5PSC+LRP17.111.78.527,600213826721
      4TXCD010DS3S9V2C080U5PSB+LRP17.111.78.527,600213826723
      4PX*DU48BS3L8V1C100U5VSB+LRP17.111.78.527,800213826643
      4PX*DU48BS3*UHMC100CCV4+LRP17.111.78.527,800213826645
      4PX*DU48BS3S9V2C100U5PSC+LRP17.111.78.528,000213826647
      4PX*DU48BS3*UHMC100ACV4+LRP17.111.78.527,800213826651
      4PX*DU48BS3S9V2C100U5PSB+LRP17.111.78.528,000213826649
      4PX*DU60BS3S9V2C080U5PSB+LRP17.111.78.527,600213826655
      4PX*DU60BS3S9V2C080U5PSC+LRP17.111.78.527,600213826653
      4PX*DU60BS3L8V1C100U5VSB+LRP17.112.08.527,400213826657
      4PX*DU60BS3*UHMD120CCV5+LRP17.112.08.528,200213826659
      4PX*DU60BS3*UHMD120ACV5+LRP17.112.08.528,200213826661
      4PX*DU60BS3*UHMC100CCV4+LRP17.112.08.527,400213826663
      4TXCD010DS3S9V2C080U5PSC+LRP17.111.78.527,600213826725
      4TXCD010DS3S9V2C100U4VSA+LRP17.111.78.527,400213826727
      4TXCD010DS3S9V2C100U4VSB+LRP17.111.78.527,400213826729
      4TXCD010DS3S9V2C100U5PSB+LRP17.111.78.527,600213826731
      4TXCD010DS3*UHMC100ACV4+LRP17.112.08.527,400213826733
      4TXCC009DS3S9V2C100U4VSA+LRP17.111.78.528,400213826691
      4TXCC009DS3S9V2C080U5PSC+LRP17.111.78.528,600213826693
      4TXCC009DS3S9V2C100U5PSB+LRP17.111.78.528,600213826697
      4TXCD008DS3S9V2C100U5PSC+LRP17.111.78.528,000213826699
      4TXCD008DS3S9V2C100U5PSB+LRP17.111.78.528,000213826701
      4TXCC009DS3S9V2C080U5PSB+LRP17.111.78.528,600213826695
      4TXCD008DS3*UHMD120CCV5+LRP17.111.78.528,600213826705
      4TXCD008DS3L8V1C100U5VSB+LRP17.111.78.527,800213826703
      4TXCD008DS3*UHMD120ACV5+LRP17.111.78.528,600213826707
      4TXCD008DS3*UHMC100CCV4+LRP17.111.78.527,800213826709
      4TXCD008DS3*UHMC100ACV4+LRP17.111.78.527,800213826711
      4PX*CU60BS3S9V2C080U5PSB+LRP17.111.78.528,600213826627
      4PX*CU60BS3S9V2C100U4VSA+LRP17.111.78.528,400213826631
      4PX*CU60BS3S9V2C100U4VSB+LRP17.111.78.528,400213826633
      4PX*CU60BS3S9V2C080U5PSC+LRP17.111.78.528,600213826629
      4PX*CU60BS3S9V2C100U5PSB+LRP17.111.78.528,600213826635
      4PX*DU48BS3*UHMD120CCV5+LRP17.111.78.528,600213826641
      4PX*DU48BS3*UHMD120ACV5+LRP17.111.78.528,600213826639
      4PX*CU60BS3S9V2C100U5PSC+LRP17.111.78.528,600213826637
      4PX*DU60BS3*UHMC100ACV4+LRP17.112.08.527,400213826665
      4PX*DU60BS3S9V2C100U5PSC+LRP17.111.78.527,600213826667
      4PX*DU60BS3S9V2C100U4VSB+LRP17.111.78.527,400213826671
      4PX*DU60BS3S9V2C100U4VSA+LRP17.111.78.527,400213826669
      4TXCC007DS3L8V1C100U5VSB+LRP17.111.78.528,800213826675
      4PX*DU60BS3S9V2C100U5PSB+LRP17.111.78.527,600213826673
      4TXCC007DS3*UHMC100ACV4+LRP17.111.78.528,600213826679
      4TXCC009DS3*UHMC100CCV4+LRP17.112.08.528,200213826681
      4TXCC009DS3*UHMC100ACV4+LRP17.112.08.528,200213826683
      Yearly running cost in 10 large cities$1,276-$3,298

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

      Questions5
      What is the SEER2 rating of the Trane 4TWV7X48A1?
      The Trane 4TWV7X48A1 is rated at up to 17.1 SEER2 and 11.7 EER2 for cooling and up to 8.5 HSPF2 for heating. The exact figure depends on the indoor unit it is paired with; across its 129 certified matchups SEER2 ranges from 17.0-17.1.
      Is the Trane 4TWV7X48A1 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 Trane 4TWV7X48A1 cost to run per year?
      At its rated efficiency it costs about $1,276-$3,298 a year in electricity in large U.S. cities, depending on climate and local rates - for example $1,557 in Phoenix and $2,743 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 Trane 4TWV7X48A1?
      ENERGY STAR lists 129 certified combinations for this outdoor unit. The highest-rated ones use TAMXB0C42V41, TAMXB0C60V51, TAMXB0C48V41.
      What refrigerant does the Trane 4TWV7X48A1 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 $1,537/yrYou save $820/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 Trane 4TWV7X48A1
      3. What it replaces
      4. Price replace the example with your quote
      Heat pump, per year
      $1,537
      Current system, per year
      $2,357
      You save per year
      $820
      Payback
      21.3 years
      Net after 10 years
      -$9,302

      Cooling $957Heating $580Electricity used: 9,606 kWhSaved vs. a minimum-efficiency heat pump: $265

      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 9, 2025. How we use the data.