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      2-ton central heat pump · 17 Multi-Speed Heat Pump with WeatherGuard Top

      Trane 5TWX7024A1

      Average cooling efficiency and excellent heating efficiency for a 2-ton central heat pump, and certified for cold climates.

      Ranks #152 of 331 2 ton central heat pumps for cooling efficiency, and costs about $581 a year to run in a mixed climate like Atlanta.

      SEER2
      18.0 Cooling efficiency over a season
      Average · beats 66%
      HSPF2
      11.0 Heating efficiency over a season
      Excellent · beats 100%
      EER2
      13.0 Cooling efficiency on a 95°F day
      Very good · beats 89%
      Heat at 5°F
      17,600 BTU/h80% of its 47°F output
      Average · beats 58%

      A good fit if…

      • Your winters get properly cold - it is ENERGY STAR cold-climate certified, with 17,600 BTU/h at 5°F.
      • It will heat most of the year - its HSPF2 beats 100% of central heat pumps.
      • You want a choice of indoor units - 241 certified pairings.

      Think twice if…

      • Nothing stands out - its ratings have no weak spot for its class.

      Calculate my running cost

      Details

      Specifications2 ton, R-454B
      General
      BrandTrane
      Outdoor unit model5TWX7024A1
      Series17 Multi-Speed Heat Pump with WeatherGuard Top
      TypeCentral heat pump
      Nominal size2 ton
      CompressorVariable-speed units run longer at low powerTwo-stage
      RefrigerantR-454B
      Connected (smart) capableNo
      On the market sinceJanuary 15, 2025
      Last certifiedJune 12, 2026
      Cooling
      SEER2Seasonal efficiency, higher is better18.0 (range 15.2-18.0)
      EER2Efficiency at 95°F outdoors11.2-13.0
      Cooling capacity21,000-24,000 BTU/h
      Heating
      HSPF2Seasonal efficiency, higher is better8.0-11.0
      Capacity at 47°F20,600-22,400 BTU/h
      Capacity at 17°F14,800-21,600 BTU/h
      Capacity at 5°F16,700-17,600 BTU/h
      COP at 5°F2.0 = twice as efficient as a space heater1.80-2.10
      ENERGY STAR cold climateYes
      Heating output as it gets colder80% kept at 5°F

      Every heat pump delivers less heat as the outdoor temperature drops. Certified output of its matchup with 5TEM6D04AV31+TDR at the standard test temperatures, in BTU/h:

      Certified matchups241 indoor units

      The same outdoor unit scores differently with each indoor unit and furnace. The 60 highest-rated of 241 are shown. Ask your installer for the AHRI reference number of the exact system you are quoted.

      Indoor unitFurnaceSEER2EER2HSPF2Heat @5°FAHRI ref.
      5TEM6D04AV31+TDR · cold climate-18.013.09.517,400216764168
      5TEM6D05AV41+TDR · cold climate-18.013.09.517,400216764169
      5TEMCD05AV41+TDR · cold climate-18.013.09.417,200216764173
      5TEMCD04AV31+TDR · cold climate-18.013.09.417,200216764172
      5PX*B004AS3 · cold climate*UHMB080CCV318.012.79.017,200216764109
      5PX*B004AS3 · cold climate*UHMB060CCV318.012.59.017,200216764110
      5PX*B004AS3 · cold climateS9V2B060U3VSB18.012.59.017,200216764121
      5PX*B006AS3L8V1B080U4VSB18.012.79.017,300216764136
      5PX*B004AS3 · cold climateS9V2B060U4PSC18.012.59.017,200216764122
      5PX*B006AS3 · cold climate*UHMB080CCV318.013.09.017,300216764134
      5PX*B006AS3 · cold climateL8V1A060U3VSB18.012.79.017,500216764132
      5PX*B006AS3 · cold climate*UHMB060CCV318.013.09.017,400216764135
      5PX*B006AS3 · cold climateL8V1A040U3VSB18.012.79.017,500216764133
      5PX*B006AS3 · cold climateS9V2B080U4PSC18.012.79.017,400216764145
      5PX*B006AS3 · cold climateS9V2B080U4VSB18.012.79.017,400216764144
      5PX*B006AS3 · cold climateS9V2B060U4PSC18.012.79.017,400216764146
      5PX*B006AS3 · cold climateS9V2B060U3VSB18.012.79.017,400216764147
      5PX*B006AS3 · cold climateS9V2B040U3VSB18.012.79.017,400216764148
      5PX*B006AS3 · cold climateS9V2B040U3PSC18.012.79.017,400216764149
      5TEMCB02AV21+TDR · cold climate-18.012.59.017,500216764170
      5TEMCB03AV31+TDR · cold climate-18.012.79.017,400216764171
      5TXCB004AS3 · cold climateS9V2B060U4PSC18.012.59.017,200216764183
      5TXCB004AS3 · cold climateS9V2B060U3VSB18.012.59.017,200216764182
      5TXCB006AS3 · cold climate*UHMB060CCV318.013.09.017,400216764197
      5TXCB004AS3 · cold climate*UHMB080CCV318.012.79.017,200216764191
      5TXCB006AS3 · cold climateL8V1A040U3VSB18.012.79.017,500216764199
      5TXCB006AS3 · cold climateL8V1B080U4VSB18.012.79.017,300216764201
      5TXCB006AS3 · cold climate*UHMB080CCV318.013.09.017,300216764198
      5TXCB006AS3 · cold climateL8V1A060U3VSB18.012.79.017,500216764200
      5TXCB004AS3 · cold climate*UHMB060CCV318.012.59.017,200216764192
      5TXCB006AS3 · cold climateS9V2B060U3VSB18.012.79.017,400216764204
      5TXCB006AS3 · cold climateS9V2B040U3PSC18.012.79.017,400216764202
      5TXCB006AS3 · cold climateS9V2B080U4PSC18.012.79.017,400216764206
      5TXCB006AS3 · cold climateS9V2B040U3VSB18.012.79.017,400216764203
      5TXCB006AS3 · cold climateS9V2B080U4VSB18.012.79.017,400216764207
      5TXCB006AS3 · cold climateS9V2B060U4PSC18.012.79.017,400216764205
      5PX*BD06AS3 · cold climate*DHMB080CCV318.012.78.717,300216764157
      5PX*BD06AS3 · cold climateS9V2B060D3VSB18.012.78.717,400216764159
      5PX*BD06AS3 · cold climate*DHMB060CCV318.012.78.717,400216764156
      5PX*BD06AS3 · cold climateS9V2B060D3PSC18.012.78.717,400216764155
      5PX*BD06AS3 · cold climateS9V2B040D3PSC18.012.78.717,400216764158
      5PX*BD06AS3 · cold climateS9V2B080D4PSC18.012.78.717,400216764161
      5PX*BD06AS3 · cold climateS9V2B080D4VSB18.012.78.717,400216764160
      5PX*BD04AS3S9V2B040D3PSC18.012.58.117,200216764154
      5PX*B004AS3 · cold climateL8V1B080U4VSB17.512.09.017,300216764111
      5PX*B004AS3 · cold climateL8V1A060U3VSB17.512.09.017,300216764107
      5PX*B004AS3 · cold climateS9V2B040U3PSC17.512.59.017,300216764119
      5PX*B004AS3 · cold climateS9V2B040U3VSB17.512.59.017,300216764120
      5TEM6B02AV21+TDR · cold climate-17.512.09.017,500216764166
      5TEM6B03AV21+TDR · cold climate-17.512.59.017,500216764167
      5TXCB004AS3 · cold climateS9V2B040U3PSC17.512.59.017,300216764180
      5TXCB004AS3 · cold climateS9V2B040U3VSB17.512.59.017,300216764181
      5TXCB004AS3 · cold climateL8V1B080U4VSB17.512.09.017,300216764188
      5TXCB004AS3 · cold climateL8V1A060U3VSB17.512.09.017,300216764189
      5PX*B006AS3 · cold climateS9V2B060U4VSB17.512.79.017,400216766814
      5PX*B006AS3 · cold climateS8V2B080M4PCB17.512.79.017,400216766815
      5PX*B006AS3+P0V0A000M30SD · cold climate-17.512.79.017,400216766817
      5PX*B006AS3 · cold climateS8V2B060M4PCB17.512.79.017,500216766816
      5PX*B006AS3 · cold climateS8V2A040M3PCB17.512.79.017,500216766819
      5TXCB006AS3+P0V0A000M30SD · cold climate-17.512.79.017,400216766874
      Yearly running cost in 10 large cities$528-$1,322

      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 5TWX7024A1?
      The Trane 5TWX7024A1 is rated at up to 18.0 SEER2 and 13.0 EER2 for cooling and up to 11.0 HSPF2 for heating. The exact figure depends on the indoor unit it is paired with; across its 241 certified matchups SEER2 ranges from 15.2-18.0.
      Is the Trane 5TWX7024A1 good for cold climates?
      Yes. At least one certified matchup meets the ENERGY STAR cold-climate criteria, delivering up to 17,600 BTU/h at 5°F with a COP of 2.10, so it is still 2.1 times as efficient as electric resistance heat at that temperature.
      How much does the Trane 5TWX7024A1 cost to run per year?
      At its rated efficiency it costs about $528-$1,322 a year in electricity in large U.S. cities, depending on climate and local rates - for example $702 in Phoenix and $1,074 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 5TWX7024A1?
      ENERGY STAR lists 241 certified combinations for this outdoor unit. The highest-rated ones use 5TEM6D04AV31+TDR, 5TEM6D05AV41+TDR, 5TEMCD05AV41+TDR.
      What refrigerant does the Trane 5TWX7024A1 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 $676/yrYou save $498/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 5TWX7024A1
      3. What it replaces
      4. Price replace the example with your quote
      Heat pump, per year
      $676
      Current system, per year
      $1,173
      You save per year
      $498
      Payback
      17.1 years
      Net after 10 years
      -$3,523

      Cooling $454Heating $222Electricity used: 4,223 kWhSaved vs. a minimum-efficiency heat pump: $221

      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.

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      Source: ENERGY STAR Certified Heat Pumps (U.S. EPA), certification of June 12, 2026. How we use the data.