What is the SEER2 rating of the Arcoaire D5CPRAH12AAK?

The Arcoaire D5CPRAH12AAK is rated at up to 28.0 SEER2 and 13.5 EER2 for cooling and up to 12.7 HSPF2 for heating. The exact figure depends on the indoor unit it is paired with.

Is the Arcoaire D5CPRAH12AAK good for cold climates?

Yes. At least one certified matchup meets the ENERGY STAR cold-climate criteria, delivering up to 13,500 BTU/h at 5°F with a COP of 2.00, so it is still 2.0 times as efficient as electric resistance heat at that temperature.

How much does the Arcoaire D5CPRAH12AAK cost to run per year?

At its rated efficiency it costs about $202-$586 a year in electricity in large U.S. cities, depending on climate and local rates - for example $255 in Phoenix and $494 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 Arcoaire D5CPRAH12AAK?

ENERGY STAR lists 11 certified combinations for this outdoor unit. The highest-rated ones use ARCOAIRE D5FPHAH12XAK, COMFORTMAKER D5FPHAH12XAK, DAY & NIGHT D5FPHAH12XAK.

12,000 BTU mini-split heat pump · D5F Series

Arcoaire D5CPRAH12AAK

Excellent cooling and heating efficiency for a 12,000 BTU mini-split heat pump, and certified for cold climates.

Ranks #16 of 394 12,000 BTU mini-splits for cooling efficiency, and costs about $241 a year to run in a mixed climate like Atlanta.

SEER2: 28.0 Cooling efficiency over a season
Excellent · beats 97%
HSPF2: 12.7 Heating efficiency over a season
Excellent · beats 94%
EER2: 13.5 Cooling efficiency on a 95°F day
Very good · beats 74%
Heat at 5°F: 13,500 BTU/h113% of its 47°F output
Average · beats 48%

A good fit if…

You want low cooling bills - its SEER2 beats 97% of mini-splits.
Your winters get properly cold - it is ENERGY STAR cold-climate certified, with 13,500 BTU/h at 5°F.
It will heat most of the year - its HSPF2 beats 94% of mini-splits.
You want steady temperatures and quiet running - the compressor varies its speed.

Think twice if…

Nothing stands out - its ratings have no weak spot for its class.

Calculate my running cost

Details

Specifications12,000 BTU, R-454B

General
Brand	Arcoaire
Also sold as	Comfortmaker, Day & Night, Heil, Keeprite, Kenmore, Midea, Tempstar, Smart Comfort, Airquest, LPS Legacy
Outdoor unit model	D5CPRAH12AAK
Series	D5F Series
Type	Mini-split heat pump
Nominal size	12,000 BTU
CompressorVariable-speed units run longer at low power	Continuously variable
Refrigerant	R-454B
Connected (smart) capable	No
On the market since	November 15, 2018
Last certified	January 14, 2026
Cooling
SEER2Seasonal efficiency, higher is better	28.0 (range 28.0)
EER2Efficiency at 95°F outdoors	13.5
Cooling capacity	12,000 BTU/h
Heating
HSPF2Seasonal efficiency, higher is better	12.7
Capacity at 47°F	12,000 BTU/h
Capacity at 17°F	11,000 BTU/h
Capacity at 5°F	13,500 BTU/h
COP at 5°F2.0 = twice as efficient as a space heater	2.00
ENERGY STAR cold climate	Yes

Heating output as it gets colder113% kept at 5°F

Every heat pump delivers less heat as the outdoor temperature drops. Certified output of its matchup with D5FPHAH12XAK at the standard test temperatures, in BTU/h:

Certified matchups11 indoor units

The same outdoor unit scores differently with each indoor unit. Ask your installer for the AHRI reference number of the exact system you are quoted.

Indoor unit	SEER2	EER2	HSPF2	Heat @5°F	AHRI ref.
D5FPHAH12XAK ARCOAIRE · cold climate	28.0	13.5	12.7	13,500	215413213
D5FPHAH12XAK COMFORTMAKER · cold climate	28.0	13.5	12.7	13,500	215413227
D5FPHAH12XAK DAY & NIGHT · cold climate	28.0	13.5	12.7	13,500	215413241
D5FPHAH12XAK HEIL · cold climate	28.0	13.5	12.7	13,500	215413255
D5FPHAH12XAK KEEPRITE · cold climate	28.0	13.5	12.7	13,500	215413269
D5FPHAH12XAK KENMORE · cold climate	28.0	13.5	12.7	13,500	215413283
D5FPHAH12XAK MIDEA · cold climate	28.0	13.5	12.7	13,500	215413297
D5FPHAH12XAK TEMPSTAR · cold climate	28.0	13.5	12.7	13,500	215413311
D5FPHAH12XAK SMART COMFORT · cold climate	28.0	13.5	12.7	13,500	215413325
D5FPHAH12XAK AIRQUEST · cold climate	28.0	13.5	12.7	13,500	215413339
D5FPHAH12XAK LPS Legacy · cold climate	28.0	13.5	12.7	13,500	215413353

Yearly running cost in 10 large cities$202-$586

Phoenix, AZ$255/yr
Miami, FL$202/yr
Houston, TX$229/yr
Atlanta, GA$241/yr
Los Angeles, CA$236/yr
New York, NY$586/yr
Chicago, IL$478/yr
Denver, CO$399/yr
Seattle, WA$246/yr
Minneapolis, MN$494/yr

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

Questions5

What is the SEER2 rating of the Arcoaire D5CPRAH12AAK?: The Arcoaire D5CPRAH12AAK is rated at up to 28.0 SEER2 and 13.5 EER2 for cooling and up to 12.7 HSPF2 for heating. The exact figure depends on the indoor unit it is paired with.
Is the Arcoaire D5CPRAH12AAK good for cold climates?: Yes. At least one certified matchup meets the ENERGY STAR cold-climate criteria, delivering up to 13,500 BTU/h at 5°F with a COP of 2.00, so it is still 2.0 times as efficient as electric resistance heat at that temperature.
How much does the Arcoaire D5CPRAH12AAK cost to run per year?: At its rated efficiency it costs about $202-$586 a year in electricity in large U.S. cities, depending on climate and local rates - for example $255 in Phoenix and $494 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 Arcoaire D5CPRAH12AAK?: ENERGY STAR lists 11 certified combinations for this outdoor unit. The highest-rated ones use ARCOAIRE D5FPHAH12XAK, COMFORTMAKER D5FPHAH12XAK, DAY & NIGHT D5FPHAH12XAK.
What refrigerant does the Arcoaire D5CPRAH12AAK 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 $257/yrYou save $362/yrSee details ↓

1. Where you live

StateCityElectricity ¢ per kWh

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.

Cooling hours full-load hours per yearHeating hours full-load hours per year

2. The heat pump Arcoaire D5CPRAH12AAK

Find a model (fills in the ratings below)

SEER2 cooling efficiencyHSPF2 heating efficiencyCooling capacity BTU/hHeating capacity BTU/h

3. What it replaces

Current heatingFurnace efficiency (AFUE %)Gas price, $/thermCurrent coolingOld AC rating SEER2 (10 ≈ 15+ years old)

4. Price replace the example with your quote

Installed price, $Rebates and incentives, $ utility, state

Heat pump, per year: $257
Current system, per year: $619
You save per year: $362
Payback: 12.4 years
Net after 10 years: -$879

Cooling $151Heating $106Electricity used: 1,604 kWhSaved vs. a minimum-efficiency heat pump: $218

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 12,000 BTU models

Midea MO1SS-H12B-2A · cold climate29.4 SEER2 · 12.7 HSPF2
Deye DWA4-12K28.0 SEER2 · 9.7 HSPF2
Mainline ML12HP230CALH-O · cold climate29.4 SEER2 · 12.7 HSPF2
Goodman MSH123G26MCAA · cold climate27.5 SEER2 · 14.5 HSPF2
Fujitsu AOUG12LZAH1 · cold climate29.4 SEER2 · 12.7 HSPF2
MDV MOX430-12HFN1-MZ60W · cold climate27.5 SEER2 · 14.5 HSPF2
Fujitsu AOUG12LZAS1 · cold climate29.4 SEER2 · 12.9 HSPF2
MOOVAIR DMA12HOS42230E4 · cold climate27.5 SEER2 · 14.5 HSPF2

See all 394 12,000 BTU mini-splits, ranked

Source: ENERGY STAR Certified Heat Pumps (U.S. EPA), certification of January 14, 2026. How we use the data.