Tempstar heat pump

D5CURAH24AAK+KSAIC0701230

Ducted split systemVariable-speed (inverter)ENERGY STAR cold-climateENERGY STAR Most Efficient (some pairings)

The Tempstar D5CURAH24AAK+KSAIC0701230 is a ducted split system heat pump outdoor unit with a rated cooling capacity of 25,200 BTU/h (about 2 tons) and a variable-speed (inverter) compressor running on R-454B refrigerant. ENERGY STAR lists 127 certified indoor-unit pairings for it. In cold weather it still delivers 20,200 BTU/h at 5°F — 78% of its 47°F output, above the 76% median across the 308 models we track (better than 52% of them). Its HSPF2 of 9.5 is higher than 61% of models in our database, and its best certified SEER2 of 16 beats 18%.

Our take in 30 seconds

Best for: mixed climates with occasional hard freezes

Strengths

  • Variable-speed compressor: quieter, steadier temperatures and better humidity control
  • Uses newer, lower-impact R-454B refrigerant
  • Also sold under 8 other badges, so you can compare more quotes for the same unit

Good to know

  • No notable drawbacks in the certified data.
Est. yearly cost
$1,126
U.S. average rates
SEER2
15.2–16
Cooling efficiency
HSPF2
9.5
Top 39% heating efficiency
Heat kept at 5°F
78%
Median is 76%
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Running-cost calculator

Pre-filled with EIA prices · edit any field
Estimated annual cost
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Heating
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Cooling
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Uses the base certified SEER2 (15.2) and HSPF2 (9.5). Assumes the unit is correctly sized. How we calculate.

Heating capacity as it gets colder

A heat pump's output falls as outdoor temperature drops. This is the certified heat output of the Tempstar D5CURAH24AAK+KSAIC0701230 at the three ENERGY STAR test temperatures (cooling capacity is 25,200 BTU/h for reference).

47°F
26,000 BTU/h
17°F
19,700 BTU/h
5°F
20,200 BTU/h

Retention at 17°F: 76% · at 5°F: 78%. Learn how to use these numbers in our cold-climate guide.

Estimated running cost in every state

Same unit, very different bills: from about $673 a year in Louisiana to $2,498 in Maine, driven by local electricity prices and how much heating or cooling the climate needs. Click a column to sort.

StatePriceHeatingCoolingTotal / yr
Louisiana12.87¢$247$427$673
Washington14.63¢$681$85$766
Florida14.99¢$185$596$781
Mississippi14.43¢$355$431$786
Nevada12.72¢$418$380$797
Tennessee13.42¢$514$289$803
Oregon15.92¢$697$119$816
Arizona15.05¢$288$549$837
North Carolina14.95¢$532$322$854
Kentucky13.80¢$604$252$856
Arkansas14.37¢$511$357$869
Utah13.31¢$692$199$891
South Carolina15.76¢$474$418$893
Georgia15.90¢$479$422$900
Texas15.91¢$392$528$919
Idaho13.37¢$768$155$924
Alabama16.33¢$492$433$925
Oklahoma14.82¢$568$369$936
New Mexico16.51¢$678$274$951
Nebraska13.54¢$778$202$980
West Virginia16.31¢$803$216$1,020
Missouri16.02¢$745$292$1,038
Kansas15.47¢$762$282$1,044
Virginia17.64¢$724$322$1,046
Wyoming14.43¢$987$120$1,107
Colorado17.17¢$940$199$1,139
North Dakota13.31¢$1,056$99$1,156
Indiana17.02¢$932$240$1,171
Delaware18.70¢$870$310$1,180
Montana15.57¢$1,065$116$1,181
South Dakota15.15¢$1,037$163$1,200
California29.75¢$733$493$1,226
Iowa17.06¢$1,074$212$1,286
Ohio19.38¢$1,061$257$1,318
Maryland21.40¢$996$355$1,350
Illinois19.32¢$1,110$256$1,367
Minnesota17.20¢$1,271$157$1,428
Pennsylvania21.77¢$1,192$289$1,480
Wisconsin19.41¢$1,328$193$1,521
New Jersey24.61¢$1,212$367$1,580
District of Columbia25.98¢$1,138$474$1,611
Michigan22.99¢$1,510$229$1,739
Connecticut24.51¢$1,476$264$1,740
Vermont23.84¢$1,696$178$1,874
Rhode Island28.18¢$1,697$280$1,977
New York28.65¢$1,725$309$2,034
Hawaii47.18¢$65$2,034$2,098
New Hampshire27.64¢$1,891$229$2,120
Massachusetts30.48¢$1,919$303$2,222
Alaska29.41¢$2,415$49$2,463
Maine32.11¢$2,285$213$2,498
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Same equipment sold under other brands

These listings share the same certifying manufacturer (Carrier Corporation) and identical certified capacities and efficiency ratings, so they are almost certainly the same hardware with a different badge. If you get quotes for any of them, you are comparing installation price and warranty, not equipment. How rebadging works.

  • Bryant 37MURAQ24AA3+KSAIC0701230
  • Carrier 37MURAQ24AA3+KSAIC0701230
  • Airquest D5CURAH24AAK+KSAIC0701230
  • Arcoaire D5CURAH24AAK+KSAIC0701230

Plus 4 more identical listings in the ENERGY STAR database.

Similar-size alternatives

Other ducted split system units within ±15% of this model's cooling capacity, sorted by efficiency. Cost difference is versus the Tempstar D5CURAH24AAK+KSAIC0701230 at U.S.-average rates.

ModelCooling BTU/hSEER2HSPF25°F keptEst. yearly cost
Carrier 27VNA324A*030*23,80018–2310.582%$1,044 (−$82)Compare
Rheem RP19AY24AJVC22,80020–211081%$925 (−$201)Compare
Trane 5TWR7024A124,00015.2–17.11179%$907 (−$219)Compare
Trane 5TWX7024A124,00015.2–181179%$907 (−$219)Compare
Bryant 37MUHAQ24AA324,00016–18.710.586%$991 (−$135)Compare
ACiQ ACIQ-24-HPD24,00016–18.610.583%$1,019 (−$107)Compare

Full specifications

BrandTempstar
Outdoor modelD5CURAH24AAK+KSAIC0701230
Certified byCarrier Corporation
Product typeDucted split system
CompressorVariable-speed (inverter)
RefrigerantR-454B
Cooling capacity25,200 BTU/h
Nominal size2 tons
SEER2 (certified range)15.2 – 16
EER2 (best)10
HSPF2 (best)9.5
Heating capacity @ 47°F26,000 BTU/h
Heating capacity @ 17°F19,700 BTU/h
Heating capacity @ 5°F20,200 BTU/h
COP @ 5°F2.14
ENERGY STAR cold-climateYes
Certified indoor pairings127
Latest certification2026-10

Source: ENERGY STAR Certified Heat Pumps (U.S. EPA), retrieved November 7, 2026. Capacities and HSPF2 are the highest values across certified pairings; confirm your exact system's AHRI reference number with your installer.

Frequently asked questions

How much does the Tempstar D5CURAH24AAK+KSAIC0701230 cost to run per year?

At the U.S. average residential electricity price of 18.16¢/kWh and typical national heating and cooling hours, we estimate about $1,126 per year ($795 heating, $331 cooling). It ranges from about $673 in Louisiana to $2,498 in Maine.

Does the Tempstar D5CURAH24AAK+KSAIC0701230 work in cold weather?

Yes. It is ENERGY STAR cold-climate certified and delivers 20,200 BTU/h at 5°F, 78% of its 47°F capacity, with a COP of 2.14 at 5°F.

What size is the Tempstar D5CURAH24AAK+KSAIC0701230?

It is rated at 25,200 BTU/h of cooling, roughly 2 tons, and 26,000 BTU/h of heating at 47°F. Proper sizing should be confirmed with a Manual J load calculation.

Is the Tempstar D5CURAH24AAK+KSAIC0701230 the same as the Bryant 37MURAQ24AA3+KSAIC0701230?

Very likely. Both are certified by Carrier Corporation with identical capacities and efficiency ratings in the ENERGY STAR database, which indicates the same equipment sold under different brands.

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