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Compare heat pumps and air conditioners.

217 systems from 20 manufacturers, with published efficiency ratings, cold-weather performance, warranty terms, and how soon each unit’s refrigerant is being phased out.

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217 units

  • Airform

    Solo

    Airform Solo

    Packaged terminal (PTAC / PTHP) · 10,000 BTU/h

    Efficiency
    Ratings not yet published
    Cold weather
    Not published
    Warranty
    1 yr parts · 5 yr compressor
    R-32 Being phased down

  • Airform

    Solo Pro

    Airform Solo Pro

    Packaged terminal (PTAC / PTHP) · 10,000 BTU/h

    Efficiency
    Ratings not yet published
    Cold weather
    Not published
    Warranty
    1 yr parts · 5 yr compressor
    R-32 Being phased down

  • Amana

    ALZS5B

    ALZS5BA3610A* / AMST42CU1300A*

    Central heat pump · 35,400 BTU/h

    Efficiency
    SEER2 15.2 · HSPF2 7.8
    Cold weather
    Not published
    Warranty
    10 yr parts · 10 yr compressor (registered)
    R-32 Being phased down

  • Amana

    Superseded

    ASZV9

    ASZV903610A* / AMVE48DP1400A*

    Central heat pump · 33,600 BTU/h

    Efficiency
    SEER2 19 · HSPF2 8.2
    Cold weather
    Not published
    Warranty
    10 yr parts · Lifetime compressor (registered)
    R-410A Phased out

  • Amana

    AZV9S S-Series

    AZV9SA241CA* / AHVE48CP1300A*

    Central heat pump · 23,800 BTU/h

    Efficiency
    SEER2 19.2 · HSPF2 9.2
    Cold weather
    Heats down to -20°F
    Warranty
    10 yr parts · 10 yr compressor (registered)
    R-32 Being phased down

  • Amana

    AZV9S S-Series

    AZV9SA361CA* / AHVE48DP1300A*

    Central heat pump · 34,200 BTU/h

    Efficiency
    SEER2 19 · HSPF2 9.2
    Cold weather
    Heats down to -20°F
    Warranty
    10 yr parts · 10 yr compressor (registered)
    R-32 Being phased down

  • Amana

    HEH high-efficiency heat pump (R-32 J series)

    HEH093J35AXXX

    Packaged terminal (PTAC / PTHP) · 9,000 BTU/h

    Efficiency
    EER 13 · COP 3.9
    Cold weather
    Not published
    Warranty
    5 yr parts · 5 yr compressor
    R-32 Being phased down

  • Amana

    HEH high-efficiency heat pump (R-32 J series)

    HEH123J35AXXX

    Packaged terminal (PTAC / PTHP) · 12,000 BTU/h

    Efficiency
    EER 11.8 · COP 3.4
    Cold weather
    Not published
    Warranty
    5 yr parts · 5 yr compressor
    R-32 Being phased down

  • Amana

    PTH standard heat pump (R-32 J series)

    PTH093J35AXXX

    Packaged terminal (PTAC / PTHP) · 9,000 BTU/h

    Efficiency
    EER 12.4 · COP 3.6
    Cold weather
    Not published
    Warranty
    5 yr parts · 5 yr compressor
    R-32 Being phased down

  • Amana

    PTH standard heat pump (R-32 J series)

    PTH123J35AXXX

    Packaged terminal (PTAC / PTHP) · 12,000 BTU/h

    Efficiency
    EER 11.5 · COP 3.3
    Cold weather
    Not published
    Warranty
    5 yr parts · 5 yr compressor
    R-32 Being phased down

  • Bosch

    Superseded

    IDS 2.0

    BOVA-36HDN1-M20G / BVA-24WN1-M20

    Central heat pump · 24,000 BTU/h

    Efficiency
    SEER2 20 · HSPF2 9.5
    Cold weather
    Heats down to -4°F
    Warranty
    10 yr parts · 10 yr compressor
    R-410A Phased out

  • Bosch

    Superseded

    IDS 2.0

    BOVA-36HDN1-M20G / BVA-36WN1-M20

    Central heat pump · 34,200 BTU/h

    Efficiency
    SEER2 19 · HSPF2 9.5
    Cold weather
    Heats down to -4°F
    Warranty
    10 yr parts · 10 yr compressor
    R-410A Phased out

  • Bosch

    IDS Edge

    BOHA-36RTB-M18S / BIVA-36VCB-M18X

    Central heat pump · 34,000 BTU/h

    Efficiency
    SEER2 16.5 · HSPF2 9
    Cold weather
    Heats down to -13°F
    Warranty
    10 yr parts · 10 yr compressor
    R-454B Being phased down

  • Bosch

    IDS Edge Max

    BOHA-24MTB-M18S / BIVA-24VCB-M18X

    Central heat pump · 23,000 BTU/h

    Efficiency
    SEER2 17 · HSPF2 9.2
    Cold weather
    Heats down to -22°F
    Warranty
    10 yr parts · 10 yr compressor
    R-454B Being phased down

  • Bosch

    IDS Edge Max

    BOHA-36MTB-M18S / BIVA-36VCB-M18X

    Central heat pump · 34,000 BTU/h

    Efficiency
    SEER2 17 · HSPF2 9.4
    Cold weather
    Heats down to -22°F
    Warranty
    10 yr parts · 10 yr compressor
    R-454B Being phased down

  • Bosch

    IDS Light

    BOVB-24RTB-M15S / BIVA-24RXB-M15X

    Central heat pump · 24,000 BTU/h

    Efficiency
    SEER2 15.2 · HSPF2 8.5
    Cold weather
    Heats down to 3°F
    Warranty
    10 yr parts · 10 yr compressor
    R-454B Being phased down

  • Bosch

    IDS Plus

    BOVB-24RTB-M15S / BIVB-24RCB-M20X

    Central heat pump · 24,000 BTU/h

    Efficiency
    SEER2 18 · HSPF2 8.5
    Cold weather
    Heats down to 3°F
    Warranty
    10 yr parts · 10 yr compressor
    R-454B Being phased down

  • Bosch

    IDS Premium Connected

    BOVB-36RTB-M20S / BIVB-24RCB-M20X

    Central heat pump · 24,000 BTU/h

    Efficiency
    SEER2 20 · HSPF2 9.5
    Cold weather
    Heats down to -4°F
    Warranty
    10 yr parts · 10 yr compressor
    R-454B Being phased down

  • Bosch

    IDS Premium Connected

    BOVB-36RTB-M20S / BIVB-36RCB-M20X

    Central heat pump · 34,200 BTU/h

    Efficiency
    SEER2 19 · HSPF2 9.5
    Cold weather
    Heats down to -4°F
    Warranty
    10 yr parts · 10 yr compressor
    R-454B Being phased down

  • Bosch

    IDS Ultra

    BOVB-36MTB-M19E / BIVB-36MCB-M19X

    Central heat pump · 36,400 BTU/h

    Efficiency
    SEER2 19 · HSPF2 10
    Cold weather
    Heats down to -13°F
    Warranty
    10 yr parts · 10 yr compressor
    R-454B Being phased down

  • Carrier

    Comfort 15 Heat Pump (27SCA5)

    27SCA524A**30* / FG5ANXB24L*

    Central heat pump · 23,000 BTU/h

    Efficiency
    SEER2 15.5 · HSPF2 7.8
    Cold weather
    Not published
    Warranty
    10 yr parts · 10 yr compressor (registered)
    R-454B Being phased down

  • Carrier

    Comfort 15 Heat Pump (27SCA5)

    27SCA536A**30* / FG5ANXC48L*

    Central heat pump · 35,000 BTU/h

    Efficiency
    SEER2 15.5 · HSPF2 7.8
    Cold weather
    Not published
    Warranty
    10 yr parts · 10 yr compressor (registered)
    R-454B Being phased down

  • Carrier

    Superseded

    Comfort Air Conditioner (24SCA5, R-410A)

    24SCA524W**30* / FG4ANXB24L*

    Central air conditioner · 23,000 BTU/h · cooling only

    Efficiency
    SEER2 16
    Cold weather
    —
    Warranty
    10 yr parts · 10 yr compressor (registered)
    R-410A Phased out

  • Carrier

    Comfort Air Conditioner (26SCA5)

    26SCA524W**30* / FG5ANXB24L*

    Central air conditioner · 23,200 BTU/h · cooling only

    Efficiency
    SEER2 16
    Cold weather
    —
    Warranty
    10 yr parts · 10 yr compressor (registered)
    R-454B Being phased down

Figures are the manufacturers’ published ratings (AHRI-certified where available) for the matched system shown, checked against each source on October 1, 2026. Real-world performance depends on sizing, installation and climate; confirm the AHRI certificate for the exact combination you buy. Warranty terms are summaries — the manufacturer’s document governs. Refrigerant rules are for the United States (federal and California) and are not legal advice. Airform is not affiliated with the other manufacturers listed.