What is the SEER2 rating of the Arcoaire D5CLHAH58AAK?

The Arcoaire D5CLHAH58AAK is rated at up to 18.1 SEER2 and 9.0 EER2 for cooling and up to 10.7 HSPF2 for heating. The exact figure depends on the indoor unit it is paired with; across its 37 certified matchups SEER2 ranges from 15.4-18.1.

Is the Arcoaire D5CLHAH58AAK good for cold climates?

Yes. At least one certified matchup meets the ENERGY STAR cold-climate criteria, delivering up to 54,000 BTU/h at 5°F with a COP of 2.10, so it is still 2.1 times as efficient as electric resistance heat at that temperature.

How much does the Arcoaire D5CLHAH58AAK cost to run per year?

At its rated efficiency it costs about $1,399-$3,582 a year in electricity in large U.S. cities, depending on climate and local rates - for example $1,703 in Phoenix and $2,975 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 D5CLHAH58AAK?

ENERGY STAR lists 37 certified combinations for this outdoor unit. The highest-rated ones use ARCOAIRE D5FCFAH58XAK, COMFORTMAKER D5FCFAH58XAK, DAY & NIGHT D5FCFAH58XAK.

48,000 BTU mini-split heat pump · D5F Series

Arcoaire D5CLHAH58AAK

Below average cooling efficiency and average heating efficiency for a 48,000 BTU mini-split heat pump, and certified for cold climates.

Ranks #125 of 146 48,000 BTU mini-splits for cooling efficiency, and costs about $1,514 a year to run in a mixed climate like Atlanta.

SEER2: 18.1 Cooling efficiency over a season
Below average · beats 5%
HSPF2: 10.7 Heating efficiency over a season
Average · beats 68%
EER2: 9.0 Cooling efficiency on a 95°F day
Below average · beats 1%
Heat at 5°F: 54,000 BTU/h90% 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 54,000 BTU/h at 5°F.
You want steady temperatures and quiet running - the compressor varies its speed.
You want a choice of indoor units - 37 certified pairings.

Think twice if…

Cooling cost matters most - its SEER2 is below average for mini-splits.

Calculate my running cost

Details

Specifications48,000 BTU, R-454B

General
Brand	Arcoaire
Also sold as	Comfortmaker, Day & Night, Heil, Keeprite, Kenmore, Midea, Tempstar, Airquest, Smart Comfort, LPS Legacy, Viessmann, Grandaire
Outdoor unit model	D5CLHAH58AAK
Series	D5F Series
Type	Mini-split heat pump
Nominal size	48,000 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	March 31, 2025
Cooling
SEER2Seasonal efficiency, higher is better	18.1 (range 15.4-18.1)
EER2Efficiency at 95°F outdoors	9.0-10.2
Cooling capacity	54,000-55,000 BTU/h
Heating
HSPF2Seasonal efficiency, higher is better	9.2-10.7
Capacity at 47°F	59,000-60,000 BTU/h
Capacity at 17°F	41,000-45,000 BTU/h
Capacity at 5°F	53,000-54,000 BTU/h
COP at 5°F2.0 = twice as efficient as a space heater	1.91-2.10
ENERGY STAR cold climate	Yes

Heating output as it gets colder90% kept at 5°F

Every heat pump delivers less heat as the outdoor temperature drops. Certified output of its matchup with D5FCFAH58XAK at the standard test temperatures, in BTU/h:

Certified matchups37 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.
D5FCFAH58XAK ARCOAIRE · cold climate	18.1	9.0	10.7	54,000	215324165
D5FCFAH58XAK COMFORTMAKER · cold climate	18.1	9.0	10.7	54,000	215324238
D5FCFAH58XAK DAY & NIGHT · cold climate	18.1	9.0	10.7	54,000	215324311
D5FCFAH58XAK HEIL · cold climate	18.1	9.0	10.7	54,000	215324384
D5FCFAH58XAK KEEPRITE · cold climate	18.1	9.0	10.7	54,000	215324457
D5FCFAH58XAK KENMORE · cold climate	18.1	9.0	10.7	54,000	215324530
D5FCFAH58XAK MIDEA · cold climate	18.1	9.0	10.7	54,000	215324603
D5FCFAH58XAK TEMPSTAR · cold climate	18.1	9.0	10.7	54,000	215324676
D5FCFAH58XAK SMART COMFORT · cold climate	18.1	9.0	10.7	54,000	215324749
D5FCFAH58XAK AIRQUEST · cold climate	18.1	9.0	10.7	54,000	215324822
D5FCFAH58XAK LPS Legacy · cold climate	18.1	9.0	10.7	54,000	215324895
D5FCFAH58XAK Viessmann · cold climate	18.1	9.0	10.7	54,000	217178815
D5FLDAH58XHK ARCOAIRE · cold climate	15.9	10.2	10.4	53,500	215324166
D5FLDAH58XHK COMFORTMAKER · cold climate	15.9	10.2	10.4	53,500	215324239
D5FLDAH58XHK DAY & NIGHT · cold climate	15.9	10.2	10.4	53,500	215324312
D5FLDAH58XHK HEIL · cold climate	15.9	10.2	10.4	53,500	215324385
D5FLDAH58XHK KEEPRITE · cold climate	15.9	10.2	10.4	53,500	215324458
D5FLDAH58XHK KENMORE · cold climate	15.9	10.2	10.4	53,500	215324531
D5FLDAH58XHK MIDEA · cold climate	15.9	10.2	10.4	53,500	215324604
D5FLDAH58XHK TEMPSTAR · cold climate	15.9	10.2	10.4	53,500	215324677
D5FLDAH58XHK AIRQUEST · cold climate	15.9	10.2	10.4	53,500	215324823
D5FLDAH58XHK SMART COMFORT · cold climate	15.9	10.2	10.4	53,500	215324750
D5FLDAH58XHK LPS Legacy · cold climate	15.9	10.2	10.4	53,500	215324896
D5FLDAH58XHK Viessmann · cold climate	15.9	10.2	10.4	53,500	217178816
D5FLAAH60XAK · cold climate	15.4	10.0	9.2	53,000	215318967
D5FLAAH60XAK · cold climate	15.4	10.0	9.2	53,000	215319163
D5FLAAH60XAK · cold climate	15.4	10.0	9.2	53,000	215319079
D5FLAAH60XAK · cold climate	15.4	10.0	9.2	53,000	215318911
D5FLAAH60XAK · cold climate	15.4	10.0	9.2	53,000	215318995
D5FLAAH60XAK · cold climate	15.4	10.0	9.2	53,000	215318939
D5FLAAH60XAK · cold climate	15.4	10.0	9.2	53,000	215319023
D5FLAAH60XAK · cold climate	15.4	10.0	9.2	53,000	215319107
D5FLAAH60XAK · cold climate	15.4	10.0	9.2	53,000	215319191
D5FLAAH60XAK · cold climate	15.4	10.0	9.2	53,000	215319219
D5FLAAH60XAK · cold climate	15.4	10.0	9.2	53,000	215319051
D5FLAAH60XAK · cold climate	15.4	10.0	9.2	53,000	215319135
D5FLAAH60XAK · cold climate	15.4	10.0	9.2	53,000	217178762

Yearly running cost in 10 large cities$1,399-$3,582

Phoenix, AZ$1,703/yr
Miami, FL$1,399/yr
Houston, TX$1,526/yr
Atlanta, GA$1,514/yr
Los Angeles, CA$1,467/yr
New York, NY$3,582/yr
Chicago, IL$2,901/yr
Denver, CO$2,406/yr
Seattle, WA$1,474/yr
Minneapolis, MN$2,975/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 D5CLHAH58AAK?: The Arcoaire D5CLHAH58AAK is rated at up to 18.1 SEER2 and 9.0 EER2 for cooling and up to 10.7 HSPF2 for heating. The exact figure depends on the indoor unit it is paired with; across its 37 certified matchups SEER2 ranges from 15.4-18.1.
Is the Arcoaire D5CLHAH58AAK good for cold climates?: Yes. At least one certified matchup meets the ENERGY STAR cold-climate criteria, delivering up to 54,000 BTU/h at 5°F with a COP of 2.10, so it is still 2.1 times as efficient as electric resistance heat at that temperature.
How much does the Arcoaire D5CLHAH58AAK cost to run per year?: At its rated efficiency it costs about $1,399-$3,582 a year in electricity in large U.S. cities, depending on climate and local rates - for example $1,703 in Phoenix and $2,975 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 D5CLHAH58AAK?: ENERGY STAR lists 37 certified combinations for this outdoor unit. The highest-rated ones use ARCOAIRE D5FCFAH58XAK, COMFORTMAKER D5FCFAH58XAK, DAY & NIGHT D5FCFAH58XAK.
What refrigerant does the Arcoaire D5CLHAH58AAK 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 $1,678/yrYou save $1,204/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 D5CLHAH58AAK

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: $1,678
Current system, per year: $2,883
You save per year: $1,204
Payback: 17.0 years
Net after 10 years: -$8,457

Cooling $1,050Heating $628Electricity used: 10,489 kWhSaved vs. a minimum-efficiency heat pump: $547

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 48,000 BTU models

Fujitsu AOUH48KUAS1 · cold climate18.2 SEER2 · 10.2 HSPF2
Carrier 37MBHAQ58AA3 · cold climate18.1 SEER2 · 10.7 HSPF2
LG KUSUB601A · cold climate18.5 SEER2 · 9.0 HSPF2
MDV MOE30-60HFN10-M2X · cold climate18.1 SEER2 · 10.7 HSPF2
LG KUSUB481A · cold climate18.5 SEER2 · 9.0 HSPF2
Mitsubishi Electric SUZ-AK48NLHZ · cold climate18.1 SEER2 · 8.5 HSPF2
Lennox MMPD048S6S-1P · cold climate18.5 SEER2 · 9.0 HSPF2
ECO-AIR EDSO-48H · cold climate18.0 SEER2 · 11.0 HSPF2

See all 146 48,000 BTU mini-splits, ranked

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