HVAC Rated

2-ton central heat pump · Crossover heat pump

Airquest D5CURAH24AAK+KSAIC0701230

Below average cooling efficiency and very good heating efficiency for a 2-ton central heat pump, and certified for cold climates.

Ranks #273 of 331 2 ton central heat pumps for cooling efficiency, and costs about $715 a year to run in a mixed climate like Atlanta.

SEER2
16.0 Cooling efficiency over a season
Below average · beats 26%
HSPF2
9.5 Heating efficiency over a season
Very good · beats 70%
EER2
10.0 Cooling efficiency on a 95°F day
Below average · beats 10%
Heat at 5°F
20,000 BTU/h82% of its 47°F output
Average · beats 67%

A good fit if…

  • Your winters get properly cold - it is ENERGY STAR cold-climate certified, with 20,000 BTU/h at 5°F.
  • It will heat most of the year - its HSPF2 beats 70% of central heat pumps.
  • You want steady temperatures and quiet running - the compressor varies its speed.
  • You want a choice of indoor units - 1,011 certified pairings.

Think twice if…

  • Cooling cost matters most - its SEER2 is below average for central heat pumps.

Calculate my running cost

Details

Specifications2 ton, R-454B
General
BrandAirquest
Also sold asSmart Comfort, Tempstar, Keeprite, Day & Night, Comfortmaker, Arcoaire, Heil, Viessmann
Outdoor unit modelD5CURAH24AAK+KSAIC0701230
SeriesCrossover heat pump
TypeCentral heat pump
Nominal size2 ton
CompressorVariable-speed units run longer at low powerContinuously variable
RefrigerantR-454B
Connected (smart) capableNo
On the market sinceJune 27, 2024
Last certifiedJuly 17, 2026
Cooling
SEER2Seasonal efficiency, higher is better16.0 (range 15.2-16.0)
EER2Efficiency at 95°F outdoors9.5-10.0
Cooling capacity23,200-25,200 BTU/h
Heating
HSPF2Seasonal efficiency, higher is better8.5-9.5
Capacity at 47°F24,000-26,000 BTU/h
Capacity at 17°F18,300-19,500 BTU/h
Capacity at 5°F19,000-20,000 BTU/h
COP at 5°F2.0 = twice as efficient as a space heater1.88-2.14
ENERGY STAR cold climateYes
Heating output as it gets colder82% kept at 5°F

Every heat pump delivers less heat as the outdoor temperature drops. Certified output of its matchup with FM(C,U)5Z36**AL at the standard test temperatures, in BTU/h:

Certified matchups1,011 indoor units

The same outdoor unit scores differently with each indoor unit and furnace. The 60 highest-rated of 1,011 are shown. Ask your installer for the AHRI reference number of the exact system you are quoted.

Indoor unitFurnaceSEER2EER2HSPF2Heat @5°FAHRI ref.
FM(C,U)5Z36**AL · cold climate-16.010.09.519,600218498247
FM(C,U)5Z36**AL · cold climate-16.010.09.519,600218498246
FM(C,U)5Z36**AL · cold climate-16.010.09.519,600218498245
FM(C,U)5Z36**AL · cold climate-16.010.09.519,600218498244
FM(C,U)5Z36**AL · cold climate-16.010.09.519,600218498243
FM(C,U)5Z36**AL · cold climate-16.010.09.519,600218498242
FM(C,U)5Z36**AL · cold climate-16.010.09.519,600218498241
FM(C,U)5Z30**AL · cold climate-16.010.09.519,600218498240
FM(C,U)5Z30**AL · cold climate-16.010.09.519,600218498239
FM(C,U)5Z30**AL · cold climate-16.010.09.519,600218498238
FM(C,U)5Z30**AL · cold climate-16.010.09.519,600218498237
FM(C,U)5Z30**AL · cold climate-16.010.09.519,600218498236
FM(C,U)5Z30**AL · cold climate-16.010.09.519,600218498235
FM(C,U)5Z30**AL · cold climate-16.010.09.519,600218498234
FM(C,U)5Z36**AL · cold climate-16.010.09.519,600218682608
FM(C,U)5Z30**AL · cold climate-16.010.09.519,600218682607
EA*5X25M17A · cold climate*80MSU0601716A*16.010.09.019,200218496993
EA*5X25M17A · cold climate*80MSU0601716A*16.010.09.019,200218496992
EA*5X25M17A · cold climate*80MSU0601716A*16.010.09.019,200218496991
EA*5X25M17A · cold climate*80MSU0601716A*16.010.09.019,200218496990
EA*5X25M17A · cold climate*80MSU0601716A*16.010.09.019,200218496989
EA*5X25M17A · cold climate*80MSU0601716A*16.010.09.019,200218496988
EA*5X25M17A · cold climate*80MSU0601716A*16.010.09.019,200218496987
EA*5X37M17A · cold climate*80MSU0601716A*16.010.09.019,200218496986
EA*5X37M17A · cold climate*80MSU0601716A*16.010.09.019,200218496985
EA*5X37M17A · cold climate*80MSU0601716A*16.010.09.019,200218496984
EA*5X37M17A · cold climate*80MSU0601716A*16.010.09.019,200218496983
EA*5X37M17A · cold climate*80MSU0601716A*16.010.09.019,200218496982
EA*5X37M17A · cold climate*80MSU0601716A*16.010.09.019,200218496981
EA*5X37M17A · cold climate*80MSU0601716A*16.010.09.019,200218496980
EA*5X25M17A · cold climate*80VSL0901716B*16.010.09.019,100218496923
EA*5X25M17A · cold climate*80VSL0901716B*16.010.09.019,100218496922
EA*5X25M17A · cold climate*80VSL0901716B*16.010.09.019,100218496921
EA*5X25M17A · cold climate*80VSL0901716B*16.010.09.019,100218496920
EA*5X25M17A · cold climate*80VSL0901716B*16.010.09.019,100218496919
EA*5X25M17A · cold climate*80VSL0901716B*16.010.09.019,100218496918
EA*5X25M17A · cold climate*80VSL0901716B*16.010.09.019,100218496917
FMA5X24**AL · cold climate-16.010.09.019,800218498276
FMA5X24**AL · cold climate-16.010.09.019,800218498275
FMA5X24**AL · cold climate-16.010.09.019,800218498274
FMA5X24**AL · cold climate-16.010.09.019,800218498273
FMA5X24**AL · cold climate-16.010.09.019,800218498272
FMA5X24**AL · cold climate-16.010.09.019,800218498271
FMA5X24**AL · cold climate-16.010.09.019,800218498270
FMA5X24**AL · cold climate-16.010.09.019,800218498269
FTMA5B36L0C · cold climate-16.010.09.019,400218498268
FTMA5B36L0C · cold climate-16.010.09.019,400218498267
FTMA5B36L0C · cold climate-16.010.09.019,400218498266
FTMA5B36L0C · cold climate-16.010.09.019,400218498265
FTMA5B36L0C · cold climate-16.010.09.019,400218498264
FTMA5B36L0C · cold climate-16.010.09.019,400218498263
FTMA5B36L0C · cold climate-16.010.09.019,400218498262
EA*5X37M21A · cold climate*95MSU1002122A*16.010.09.019,100218497819
EA*5X37M21A · cold climate*95MSU1002122A*16.010.09.019,100218497818
EA*5X37M21A · cold climate*95MSU1002122A*16.010.09.019,100218497817
EA*5X37M21A · cold climate*95MSU1002122A*16.010.09.019,100218497816
EA*5X37M21A · cold climate*95MSU1002122A*16.010.09.019,100218497815
EA*5X37M21A · cold climate*95MSU1002122A*16.010.09.019,100218497814
EA*5X37M21A · cold climate*95MSU1002122A*16.010.09.019,100218497813
EA*5X37M21A · cold climate*96VSN1002120B*16.010.09.019,100218497700
Yearly running cost in 10 large cities$669-$1,654

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

Questions5
What is the SEER2 rating of the Airquest D5CURAH24AAK+KSAIC0701230?
The Airquest D5CURAH24AAK+KSAIC0701230 is rated at up to 16.0 SEER2 and 10.0 EER2 for cooling and up to 9.5 HSPF2 for heating. The exact figure depends on the indoor unit it is paired with; across its 1011 certified matchups SEER2 ranges from 15.2-16.0.
Is the Airquest D5CURAH24AAK+KSAIC0701230 good for cold climates?
Yes. At least one certified matchup meets the ENERGY STAR cold-climate criteria, delivering up to 20,000 BTU/h at 5°F with a COP of 2.14, so it is still 2.1 times as efficient as electric resistance heat at that temperature.
How much does the Airquest D5CURAH24AAK+KSAIC0701230 cost to run per year?
At its rated efficiency it costs about $669-$1,654 a year in electricity in large U.S. cities, depending on climate and local rates - for example $839 in Phoenix and $1,357 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 Airquest D5CURAH24AAK+KSAIC0701230?
ENERGY STAR lists 1011 certified combinations for this outdoor unit. The highest-rated ones use FM(C,U)5Z36**AL, FM(C,U)5Z30**AL, EA*5X25M17A.
What refrigerant does the Airquest D5CURAH24AAK+KSAIC0701230 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 $815/yrYou save $429/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 Airquest D5CURAH24AAK+KSAIC0701230
3. What it replaces
4. Price replace the example with your quote
Heat pump, per year
$815
Current system, per year
$1,245
You save per year
$429
Payback
21.0 years
Net after 10 years
-$4,708

Cooling $532Heating $283Electricity used: 5,096 kWhSaved vs. a minimum-efficiency heat pump: $139

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 July 17, 2026. How we use the data.