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      4-ton central heat pump · M series

      Trane/American Standard 5HCL6048A1000A

      Very good cooling efficiency and below average heating efficiency for a 4-ton central heat pump, and certified for cold climates.

      Ranks #84 of 319 4 ton central heat pumps for cooling efficiency, and costs about $1,690 a year to run in a mixed climate like Atlanta.

      SEER2
      18.1 Cooling efficiency over a season
      Very good · beats 71%
      HSPF2
      8.5 Heating efficiency over a season
      Below average · beats 38%
      EER2
      9.4 Cooling efficiency on a 95°F day
      Below average · beats 4%
      Heat at 5°F
      52,000 BTU/h87% of its 47°F output
      Below average · beats 20%

      A good fit if…

      • You want low cooling bills - its SEER2 beats 71% of central heat pumps.
      • Your winters get properly cold - it is ENERGY STAR cold-climate certified, with 52,000 BTU/h at 5°F.
      • You want steady temperatures and quiet running - the compressor varies its speed.

      Think twice if…

      • You mainly need heat - its HSPF2 is below average for central heat pumps.

      Calculate my running cost

      Details

      Specifications4 ton, R-454B
      General
      BrandTrane/American Standard
      Outdoor unit model5HCL6048A1000A
      SeriesM series
      TypeCentral heat pump
      Nominal size4 ton
      CompressorVariable-speed units run longer at low powerContinuously variable
      RefrigerantR-454B
      Connected (smart) capableNo
      On the market sinceApril 1, 2025
      Last certifiedSeptember 16, 2026
      Cooling
      SEER2Seasonal efficiency, higher is better18.1 (range 18.1)
      EER2Efficiency at 95°F outdoors9.4
      Cooling capacity48,000 BTU/h
      Heating
      HSPF2Seasonal efficiency, higher is better8.5
      Capacity at 47°F60,000 BTU/h
      Capacity at 17°F52,000 BTU/h
      Capacity at 5°F52,000 BTU/h
      COP at 5°F2.0 = twice as efficient as a space heater1.90
      ENERGY STAR cold climateYes
      Heating output as it gets colder87% kept at 5°F

      Every heat pump delivers less heat as the outdoor temperature drops. Certified output of its matchup with 5TEM7D06AC31SA at the standard test temperatures, in BTU/h:

      Certified matchups1 indoor units

      The same outdoor unit scores differently with each indoor unit. Ask your installer for the AHRI reference number of the exact system you are quoted.

      Indoor unitSEER2EER2HSPF2Heat @5°FAHRI ref.
      5TEM7D06AC31SA · cold climate18.19.48.552,000217497625
      Yearly running cost in 10 large cities$1,260-$4,243

      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/American Standard 5HCL6048A1000A?
      The Trane/American Standard 5HCL6048A1000A is rated at up to 18.1 SEER2 and 9.4 EER2 for cooling and up to 8.5 HSPF2 for heating. The exact figure depends on the indoor unit it is paired with.
      Is the Trane/American Standard 5HCL6048A1000A good for cold climates?
      Yes. At least one certified matchup meets the ENERGY STAR cold-climate criteria, delivering up to 52,000 BTU/h at 5°F with a COP of 1.90, so it is still 1.9 times as efficient as electric resistance heat at that temperature.
      How much does the Trane/American Standard 5HCL6048A1000A cost to run per year?
      At its rated efficiency it costs about $1,260-$4,243 a year in electricity in large U.S. cities, depending on climate and local rates - for example $1,674 in Phoenix and $3,638 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/American Standard 5HCL6048A1000A?
      ENERGY STAR lists 1 certified combination for this outdoor unit. The highest-rated one uses 5TEM7D06AC31SA.
      What refrigerant does the Trane/American Standard 5HCL6048A1000A use?
      It uses R-454B.

      Running cost and savings

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

      Heat pump $1,724/yrYou save $947/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/American Standard 5HCL6048A1000A
      3. What it replaces
      4. Price replace the example with your quote
      Heat pump, per year
      $1,724
      Current system, per year
      $2,671
      You save per year
      $947
      Payback
      19.0 years
      Net after 10 years
      -$8,527

      Cooling $933Heating $791Electricity used: 10,775 kWhSaved vs. a minimum-efficiency heat pump: $353

      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 September 16, 2026. How we use the data.