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      3-ton central heat pump · VERSUS

      Friedrich FWP15AY36AJ2N

      Below average cooling and heating efficiency for a 3-ton central heat pump, but not rated for cold climates.

      Ranks #256 of 302 3 ton central heat pumps for cooling efficiency, and costs about $1,146 a year to run in a mixed climate like Atlanta.

      SEER2
      16.0 Cooling efficiency over a season
      Below average · beats 26%
      HSPF2
      7.8 Heating efficiency over a season
      Below average · beats 5%
      EER2
      11.7 Cooling efficiency on a 95°F day
      Average · beats 43%
      Heat at 5°F
      18,900 BTU/h54% of its 47°F output
      Below average · beats 39%

      A good fit if…

      • You want a choice of indoor units - 134 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.

      Calculate my running cost

      Details

      Specifications3 ton, R-454B
      General
      BrandFriedrich
      Outdoor unit modelFWP15AY36AJ2N
      SeriesVERSUS
      TypeCentral heat pump
      Nominal size3 ton
      CompressorVariable-speed units run longer at low powerTwo-stage
      RefrigerantR-454B
      Connected (smart) capableNo
      On the market sinceAugust 13, 2024
      Last certifiedJanuary 31, 2025
      Cooling
      SEER2Seasonal efficiency, higher is better16.0 (range 15.2-16.0)
      EER2Efficiency at 95°F outdoors11.7
      Cooling capacity34,200 BTU/h
      Heating
      HSPF2Seasonal efficiency, higher is better7.8
      Capacity at 47°F33,200-34,200 BTU/h
      Capacity at 17°F23,400-33,200 BTU/h
      Capacity at 5°F17,300-18,900 BTU/h
      COP at 5°F2.0 = twice as efficient as a space heater2.00
      ENERGY STAR cold climateNo
      Heating output as it gets colder54% kept at 5°F

      Every heat pump delivers less heat as the outdoor temperature drops. Certified output of its matchup with TCFY3621STANM at the standard test temperatures, in BTU/h:

      Certified matchups134 indoor units

      The same outdoor unit scores differently with each indoor unit and furnace. The 60 highest-rated of 134 are shown. Ask your installer for the AHRI reference number of the exact system you are quoted.

      Indoor unitFurnaceSEER2EER2HSPF2Heat @5°FAHRI ref.
      TCFY3621STANMFR801V0755A21DZ16.011.77.818,300216545798
      TCFY3621STANMFR801V0755A21UH16.011.77.818,400216545803
      TCFY3621STANMFR801V1005A21DZ16.011.77.818,200216545808
      TCFY3621STANMFR801V1004A17UH16.011.77.818,400216545801
      TCFY3621STANMFR801V1005A21UHN16.011.77.818,300216545810
      TCFY3621STANMFR801V1005A21UHS16.011.77.818,300216545822
      RCFY3621STANMFR801V1005A21UHS16.011.77.818,300216545995
      TCFY3621STANMFR951V0705A21UHU16.011.77.818,500216545902
      TCFY3621STANMFR801V1005A21UHU16.011.77.818,400216545969
      RCFY3621STANMFR801V1004A17UH16.011.77.818,400216545973
      RCFY3621STANMFR801V0755A21UH16.011.77.818,400216545976
      RCFY3621STANMFR801V0755A21DZ16.011.77.818,300216545971
      RCFY3621STANMFR801V1005A21UHN16.011.77.818,300216545983
      RCFY3621STANMFR801V1005A21DZ16.011.77.818,200216545981
      TCFY3621STANMFR802V1004A17UH16.011.77.818,400216546530
      TCFY3621STANMFR802V0755A21DZ16.011.77.818,300216546533
      TCFY3621STANMFR802V0755A21UH16.011.77.818,400216546538
      TCFY3621STANMFR802V1005A21DZ16.011.77.818,200216546562
      TCFY3621STANMFR802V1005A21UH16.011.77.818,300216546564
      RCFY3617STANMFR801V1004A17UH16.011.77.818,400216543298
      RCFY3621STANMFR802V1004A17UH16.011.77.818,400216546569
      RCFY3621STANMFR802V0755A21DZ16.011.77.818,300216546571
      RCFY3621STANMFR802V0755A21UH16.011.77.818,400216546576
      RCFY3621STANMFR802V1005A21DZ16.011.77.818,200216546599
      RCFY3621STANMFR802V1005A21UH16.011.77.818,300216546602
      RCFY3621STANMFR951V0705A21UHU16.011.77.818,500216546071
      RCFY3621STANMFR801V1005A21UHU16.011.77.818,400216546137
      RCFY3617STANMFR802V1004A17UH16.011.77.818,400216544897
      FRH2TY3617STANN-15.211.77.817,300215415473
      TCFY3617STANMFR801V0503A14DZ15.211.77.818,400215656626
      TCFY3617STANMFR801V0754A17UH15.211.77.818,300215656639
      TCFY3617STANMFR801V0754A17DZ15.211.77.818,600215656645
      TCFY3617STANMFR801V0503A14UH15.211.77.818,600215656663
      TCFY3617STANMFR801V0504A17UHN15.211.77.818,900215656711
      TCFY3617STANMFR801V0704A17UH15.211.77.818,700215656719
      TCFY3617STANMFR801V0504A17UHS15.211.77.818,900215656722
      TCFY3617STANMFR801V1004A17UH15.211.77.818,400215656734
      TCFY3617STANMFR802V0503A14DZ15.211.77.818,400215656749
      TCFY3617STANMFR802V1004A17UH15.211.77.818,400215656756
      TCFY3617STANMFR802V0754A17DZ15.211.77.818,600215656792
      TCFY3617STANMFR802V0503A14UH15.211.77.818,600215656796
      TCFY3617STANMFR802V0754A17UH15.211.77.818,300215656824
      TCFY3617STANMFR951V0703A17M415.211.77.818,400215656861
      TCFY3617STANMFR951V0603A17M415.211.77.818,600215656884
      TCFY3617STANMFR921V0403A17M415.211.77.818,600215656955
      TCFY3617STANMFR951V0403A17M415.211.77.818,600215656935
      TCFY3617STANMFR921V0703A17M415.211.77.818,400215656948
      TCFY3617STANMFR921V0603A17M415.211.77.818,600215657035
      TCFY3617STANMFR962V0603A17M415.211.77.818,600215657053
      TCFY3617STANMFR962V0703A17M415.211.77.818,400215657319
      TCFY3617STANMFR962V0403A17M415.211.77.818,600215657347
      TCFY3617STANMFR802V0504A17UH15.211.77.818,900215657431
      TCFY3617STANMFR801V0504A17UHU15.211.77.818,700215657512
      RCFY3617STANMFR951V0403A17M415.211.77.818,600216543759
      TCFY3621STANMFR962V0603A17M415.211.77.818,600216546285
      TCFY3621STANMFR962V1005A21M415.211.77.818,500216546287
      TCFY3621STANMFR962V0403A17M415.211.77.818,600216546304
      TCFY3621STANMFR962V0703A17M415.211.77.818,400216546306
      TCFY3621STANMFR962V0705A21M415.211.77.818,500216546308
      TCFY3621STANMFR962V0855A21M415.211.77.818,600216546311
      Yearly running cost in 10 large cities$1,005-$2,754

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

      Questions5
      What is the SEER2 rating of the Friedrich FWP15AY36AJ2N?
      The Friedrich FWP15AY36AJ2N is rated at up to 16.0 SEER2 and 11.7 EER2 for cooling and up to 7.8 HSPF2 for heating. The exact figure depends on the indoor unit it is paired with; across its 134 certified matchups SEER2 ranges from 15.2-16.0.
      Is the Friedrich FWP15AY36AJ2N 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 3-ton model.
      How much does the Friedrich FWP15AY36AJ2N cost to run per year?
      At its rated efficiency it costs about $1,005-$2,754 a year in electricity in large U.S. cities, depending on climate and local rates - for example $1,248 in Phoenix and $2,307 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 Friedrich FWP15AY36AJ2N?
      ENERGY STAR lists 134 certified combinations for this outdoor unit. The highest-rated ones use TCFY3621STANM, RCFY3621STANM, RCFY3617STANM.
      What refrigerant does the Friedrich FWP15AY36AJ2N 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 $1,243/yrYou save $520/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 Friedrich FWP15AY36AJ2N
      3. What it replaces
      4. Price replace the example with your quote
      Heat pump, per year
      $1,243
      Current system, per year
      $1,763
      You save per year
      $520
      Payback
      25.0 years
      Net after 10 years
      -$7,800

      Cooling $752Heating $491Electricity used: 7,772 kWhSaved vs. a minimum-efficiency heat pump: $109

      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 3 ton models

      See all 302 3 ton central heat pumps, ranked

      Source: ENERGY STAR Certified Heat Pumps (U.S. EPA), certification of January 31, 2025. How we use the data.