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Heat PumpsSplit System

Trane 5TWR7024A1 Heat Pump Manual

Setup, everyday use, maintenance and troubleshooting for the 2-ton split-system heat pump, with verified specifications.

  • Capacity2 tons
  • SEER215.2–17.1
  • HSPF28.1–11.0
  • Matched systems245

About the Trane 5TWR7024A1

The Trane 5TWR7024A1 is a 2-ton split-system heat pump from the 17 Multi-Speed Heat Pump series, listed as ENERGY STAR certified in 245 AHRI-matched systems.

Depending on the indoor unit it is paired with, efficiency ranges from 15.2–17.1 SEER2 and 8.1–11.0 HSPF2. The matched indoor coil or air handler matters: always confirm the exact combination on an AHRI certificate before purchase, because rebates and efficiency claims apply only to certified matches.

A two-stage compressor runs on a low stage most of the time and switches to high stage only on the hottest and coldest days, improving comfort and efficiency over single-stage equipment.

At least one matched system meets the ENERGY STAR cold-climate criteria, with up to 17,700 Btu/h of heating capacity at 5 °F and a COP as high as 2.10 at that temperature.

Specifications

BrandTrane
Model number5TWR7024A1
Model name / series17 Multi-Speed Heat Pump
System typeSplit System
Product series17 Multi-Speed Heat Pump
Nominal cooling capacity23,200 Btu/h
SEER2 (cooling efficiency)15.2–17.1
EER2 (peak cooling efficiency)11.5–12.5
HSPF2 (heating efficiency)8.1–11.0
Heating capacity at 47 °F21,800 Btu/h
Max heating capacity at 17 °F15,800 Btu/h
Max heating capacity at 5 °F17,700 Btu/h
Best COP at 5 °F2.10
Compressor stagingTwo-stage
RefrigerantR-454B (GWP:470 | Lower GWP)
ENERGY STAR cold-climate match availableYes
Connected / demand-response capableNo
AHRI-matched systems listed245
ENERGY STAR Most Efficient match availableYes

AHRI-matched systems

245 certified indoor/outdoor combinations are listed for the Trane 5TWR7024A1, sorted by SEER2. The 25 most efficient are shown below. Each row links to a page with that system's full ratings and guidance.

AHRI ref.Indoor unitSEER2EER2HSPF2Cooling Btu/h
2167634885TXCB004AS3with furnace S9V2B060U3VSB17.112.59.023,200
2167633585PX*B004AS3with furnace S9V2B060U3VSB17.112.59.023,200
2167633925PX*B006AS3with furnace S9V2B060U3VSB17.112.59.023,800
2167635445TXCB006AS3with furnace S9V2B060U3VSB17.112.59.023,800
2167658485PX*B006AS3+P0V0A000M30SD17.112.59.023,800
2167658505PX*B006AS3+P0V0B000M40SD17.112.58.723,400
2167658525PX*B006AS3with furnace S8V2A040M3PCB17.112.59.023,800
2167658545PX*B006AS3with furnace S8V2B060M4PCB17.112.59.024,000
2167658565PX*B006AS3with furnace S8V2B080M4PCB17.112.59.023,800
2167658585PX*B006AS3with furnace S9V2B060U4VSB17.112.59.023,800
2167658605PX*B006AS3with furnace S9X1B040U3PSB17.112.59.023,800
2167658625PX*B006AS3with furnace S9X1B060U4PSB17.112.59.023,800
2167658985PX*BD06AS3with furnace S9X1B060D3PSB17.112.58.723,800
2167659025PX*BD06AS3with furnace S9V2B040D3VSB17.112.58.723,800
2167657865PX*B004AS3with furnace S9X1B040U3PSB17.112.58.723,200
2167657905PX*B004AS3with furnace S8V2B060M4PCB17.112.58.723,200
2167657925PX*B004AS3with furnace S8V2B080M4PCB17.112.58.723,200
2167657945PX*B004AS3+P0V0B000M40SD17.112.58.722,800
2167657965PX*B004AS3with furnace S8V2A040M3PCB17.112.58.723,200
2167657985PX*B004AS3+P0V0A000M30SD17.112.58.723,200
2167658245PX*B004AS3with furnace S9V2B060U4VSB17.112.58.723,200
2167659045PX*BD06AS3with furnace S8V2B080M4PCB17.112.58.723,800
2167659065PX*BD06AS3with furnace S8V2B060M4PCB17.112.58.523,400
2167659085PX*BD06AS3with furnace S8V2A040M3PCB17.112.58.723,800
2167659125PX*BD06AS3+P0V0A000M30SD17.112.58.723,800

View all 245 matched systems

Safety information

  • Installation, refrigerant charging and electrical connection must be performed by a licensed HVAC contractor in accordance with local codes and the manufacturer's installation instructions. Many jurisdictions require a permit and inspection.
  • Turn off power at the outdoor disconnect and at the main panel before opening any service panel. Capacitors can hold a dangerous charge after power is removed.
  • Keep children and pets away from the outdoor unit; never insert objects through the fan guard.
  • Do not operate the system with panels or the fan guard removed.
  • If a gas furnace provides backup heat, make sure carbon monoxide alarms are installed on every level of the home and near sleeping areas.

Installation and sizing

Proper installation matters more than any rating on the label: field studies show that incorrect charge, poor airflow and leaky ducts can cut real-world efficiency by 30% or more. Use the checklist below when reviewing quotes for the Trane 5TWR7024A1.

  1. Load calculation

    Insist on a room-by-room heat-loss and heat-gain calculation (ACCA Manual J) before choosing a size. Oversized heat pumps short-cycle, dehumidify poorly and wear out sooner; rule-of-thumb sizing by square footage is unreliable.

  2. Verify the matched system

    Confirm the outdoor unit, indoor coil or air handler (and furnace, if any) match an AHRI certificate. Mismatched components can lower efficiency well below the published ratings and may void rebates.

  3. Outdoor unit placement

    Set the condenser on a level pad raised above expected snow depth, with at least 12–24 in. of clearance around the coil and 5 ft above the fan. Avoid spots under roof drip lines where ice can fall onto the unit.

  4. Ductwork and airflow

    Have the contractor measure static pressure and set blower airflow (typically 350–450 CFM per ton). Leaky or undersized ducts are the most common reason a new system underperforms.

  5. Line set and charge

    The refrigerant line set should be pressure-tested, evacuated to 500 microns or lower and charged by weight and verified by subcooling or superheat as the manufacturer specifies.

  6. Commissioning

    Ask for a commissioning report showing airflow, refrigerant charge readings, thermostat configuration (including auxiliary-heat lockout) and a test of defrost operation.

Using your heat pump

Thermostat settings

Pick a comfortable setpoint and leave it. Heat pumps are most efficient when they hold a steady temperature; deep night setbacks in heating mode can trigger expensive auxiliary (strip) heat during recovery. If you use setbacks, limit them to 2–3 °F or use a thermostat with adaptive recovery designed for heat pumps.

Heating mode and defrost

In cold, damp weather frost builds up on the outdoor coil. The unit periodically reverses into a defrost cycle for a few minutes — you may see steam rising from the outdoor unit and hear a whoosh when the reversing valve shifts. This is normal.

Because matched systems for this unit meet the ENERGY STAR cold-climate requirements, the heat pump can carry most or all of the heating load in sub-freezing weather (up to 17,700 Btu/h at 5 °F). Set the auxiliary-heat lockout temperature as low as comfort allows to maximize savings.

Cooling and dehumidification

For better humidity control in summer, use the "Auto" fan setting rather than "On" so moisture collected on the indoor coil can drain away instead of re-evaporating into the house.

Care and maintenance

WhenWhat to do
Every 1–3 monthsCheck the air filter and replace it when dirty (1 in. filters usually monthly to quarterly; 4–5 in. media filters every 6–12 months).
Monthly in seasonKeep 2 ft clear around the outdoor unit: remove leaves, grass clippings, snow and ice. Never cover the unit while it is in use.
Each springGently hose the outdoor coil from the inside out with power off; straighten bent fins with a fin comb.
Each fallConfirm the condensate drain is clear and the outdoor unit is level and not sinking into the ground.
Every yearSchedule professional maintenance: electrical connections, capacitor test, refrigerant charge check, coil cleaning, blower and drain service, and a defrost test.

Troubleshooting

ProblemPossible causeWhat to try
No heating or coolingThermostat in wrong mode; tripped breaker or blown fuse; outdoor disconnect off.Check mode and setpoint; reset the breaker once; confirm both indoor and outdoor disconnects are on. If it trips again, call a technician.
Steam from the outdoor unit in winterNormal defrost cycle.No action needed; defrost typically lasts 2–10 minutes.
Outdoor unit covered in iceDefrost control or sensor fault; low refrigerant; blocked airflow; gutter dripping on unit.Clear snow and debris; redirect dripping water. If the coil stays encased in ice for hours, switch to emergency heat and call for service.
Air from vents feels lukewarm in heatingHeat pumps deliver air around 90–100 °F, cooler than a furnace.Normal. Check that the house is reaching setpoint rather than judging by air temperature.
High electric bills in winterAuxiliary strip heat running too often; deep setbacks; dirty filter.Reduce setbacks; ask your contractor to set an aux-heat lockout; replace the filter.
Short cyclingOversized system; thermostat near a supply register; refrigerant or control issue.Relocate the thermostat if needed; have the contractor verify sizing and charge.
Water dripping indoorsClogged condensate drain or pump; dirty coil; frozen evaporator.Turn the system off and clear the drain line; if ice is visible on the coil, check the filter and airflow before restarting.
Unusual noises (grinding, squealing)Fan motor bearings; debris in the fan; loose panel.Turn the system off and call a technician — continued operation can damage the compressor or motor.

Energy use and running costs

Assuming 1,000 full-load cooling hours per year (typical of a moderate U.S. climate), the most efficient matched system would use roughly 1,357 kWh for cooling — about $231 at $0.17/kWh.

For heating, 1,500 full-load hours at 11.0 HSPF2 works out to about 2,973 kWh, or $505 per year, excluding any auxiliary heat. The same heat from an 80% AFUE gas furnace would cost about $613 at $1.50/therm.

Your actual cost depends on climate, home insulation, thermostat habits and local utility rates. Use these figures to compare models rather than as a bill forecast.

Frequently asked questions

What size is the Trane 5TWR7024A1?

Its most common rated cooling capacity is 23,200 Btu/h, or about 2 tons. The exact capacity depends on the matched indoor unit.

What is the SEER2 rating of the Trane 5TWR7024A1?

Certified matches range from 15.2–17.1 SEER2 and 8.1–11.0 HSPF2, depending on the indoor coil or air handler.

Is the Trane 5TWR7024A1 a cold-climate heat pump?

Yes — at least one AHRI-matched system with this outdoor unit meets the ENERGY STAR cold-climate requirements and delivers up to 17,700 Btu/h at 5 °F.

What refrigerant does the Trane 5TWR7024A1 use?

R-454B (GWP:470 | Lower GWP).

Which indoor units are compatible with the Trane 5TWR7024A1?

245 certified indoor/outdoor combinations are listed. See the matched systems table on this page for each indoor model, AHRI number and rating.

Sources and disclaimer

Specifications on this page come from the ENERGY STAR certified heat pumps dataset published by the U.S. Environmental Protection Agency (record certified June 11, 2026), retrieved October 7, 2026.

The setup, operating, maintenance and troubleshooting guidance is written by ManualHarbor's editors for this specific product type and configuration. It is an independent guide — not a reproduction of the manufacturer's manual — and ManualHarbor is not affiliated with Trane. Always follow the safety instructions, installation requirements and warranty terms supplied with your unit, and contact Trane or an authorized service provider for warranty repairs and replacement parts.

Running-cost figures use assumed U.S. average utility prices and are estimates for comparison only. See our editorial methodology for details.