What is the SEER2 rating of the Heil D5CUHAH24AAK?

The Heil D5CUHAH24AAK is rated at up to 18.7 SEER2 and 12.0 EER2 for cooling and up to 10.5 HSPF2 for heating. The exact figure depends on the indoor unit it is paired with; across its 97 certified matchups SEER2 ranges from 16.0-18.7.

Is the Heil D5CUHAH24AAK good for cold climates?

Yes. At least one certified matchup meets the ENERGY STAR cold-climate criteria, delivering up to 21,600 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 Heil D5CUHAH24AAK cost to run per year?

At its rated efficiency it costs about $602-$1,525 a year in electricity in large U.S. cities, depending on climate and local rates - for example $730 in Phoenix and $1,265 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 Heil D5CUHAH24AAK?

ENERGY STAR lists 97 certified combinations for this outdoor unit. The highest-rated ones use D5FUHAH24XAK, D5FUAAH24XAK, D5MUWAQ24XA3.

2-ton central heat pump · D5F Series

Heil D5CUHAH24AAK

Very good cooling efficiency and excellent heating efficiency for a 2-ton central heat pump, and certified for cold climates.

Ranks #69 of 331 2 ton central heat pumps for cooling efficiency, and costs about $646 a year to run in a mixed climate like Atlanta.

SEER2: 18.7 Cooling efficiency over a season
Very good · beats 80%
HSPF2: 10.5 Heating efficiency over a season
Excellent · beats 96%
EER2: 12.0 Cooling efficiency on a 95°F day
Average · beats 64%
Heat at 5°F: 21,600 BTU/h86% of its 47°F output
Average · beats 67%

A good fit if…

You want low cooling bills - its SEER2 beats 80% of central heat pumps.
Your winters get properly cold - it is ENERGY STAR cold-climate certified, with 21,600 BTU/h at 5°F.
It will heat most of the year - its HSPF2 beats 96% of central heat pumps.
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

Specifications2 ton, R-454B

General
Brand	Heil
Also sold as	Smart Comfort, Arcoaire, Keeprite, Comfortmaker, Day & Night, Tempstar, Airquest, Midea, Viessmann, Kenmore, LPS Legacy, Grandaire, Carrier, Bryant, Payne, WeatherMaker
Outdoor unit model	D5CUHAH24AAK
Series	D5F Series
Type	Central heat pump
Nominal size	2 ton
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	September 22, 2026
Cooling
SEER2Seasonal efficiency, higher is better	18.7 (range 16.0-18.7)
EER2Efficiency at 95°F outdoors	10.0-12.0
Cooling capacity	23,000-24,000 BTU/h
Heating
HSPF2Seasonal efficiency, higher is better	9.0-10.5
Capacity at 47°F	21,400-25,000 BTU/h
Capacity at 17°F	18,000-20,800 BTU/h
Capacity at 5°F	19,100-21,600 BTU/h
COP at 5°F2.0 = twice as efficient as a space heater	1.80-2.14
ENERGY STAR cold climate	Yes

Heating output as it gets colder86% kept at 5°F

Every heat pump delivers less heat as the outdoor temperature drops. Certified output of its matchup with D5FUHAH24XAK at the standard test temperatures, in BTU/h:

Certified matchups97 indoor units

The same outdoor unit scores differently with each indoor unit. The 60 highest-rated of 97 are shown. 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.
D5FUHAH24XAK · cold climate	18.7	12.0	10.0	20,600	215318973
D5FUHAH24XAK · cold climate	18.7	12.0	10.0	20,600	215319113
D5FUHAH24XAK · cold climate	18.7	12.0	10.0	20,600	215319057
D5FUHAH24XAK · cold climate	18.7	12.0	10.0	20,600	215318917
D5FUHAH24XAK · cold climate	18.7	12.0	10.0	20,600	215318945
D5FUHAH24XAK · cold climate	18.7	12.0	10.0	20,600	215319085
D5FUHAH24XAK · cold climate	18.7	12.0	10.0	20,600	215319141
D5FUHAH24XAK · cold climate	18.7	12.0	10.0	20,600	215319169
D5FUHAH24XAK · cold climate	18.7	12.0	10.0	20,600	215319197
D5FUHAH24XAK · cold climate	18.7	12.0	10.0	20,600	215318889
D5FUHAH24XAK · cold climate	18.7	12.0	10.0	20,600	215319001
D5FUHAH24XAK · cold climate	18.7	12.0	10.0	20,600	215319029
D5FUHAH24XAK · cold climate	18.7	12.0	10.0	20,600	217178765
D5FUAAH24XAK · cold climate	18.4	11.7	10.0	21,600	215318972
D5FUAAH24XAK · cold climate	18.4	11.7	10.0	21,600	215319112
D5FUAAH24XAK · cold climate	18.4	11.7	10.0	21,600	215318888
D5FUAAH24XAK · cold climate	18.4	11.7	10.0	21,600	215319000
D5FUAAH24XAK · cold climate	18.4	11.7	10.0	21,600	215318916
D5FUAAH24XAK · cold climate	18.4	11.7	10.0	21,600	215318944
D5FUAAH24XAK · cold climate	18.4	11.7	10.0	21,600	215319028
D5FUAAH24XAK · cold climate	18.4	11.7	10.0	21,600	215319084
D5FUAAH24XAK · cold climate	18.4	11.7	10.0	21,600	215319140
D5FUAAH24XAK · cold climate	18.4	11.7	10.0	21,600	215319168
D5FUAAH24XAK · cold climate	18.4	11.7	10.0	21,600	215319196
D5FUAAH24XAK · cold climate	18.4	11.7	10.0	21,600	215319056
D5FUAAH24XAK · cold climate	18.4	11.7	10.0	21,600	217178764
D5MUWAQ24XA3 · cold climate	17.5	11.0	10.5	19,600	217730616
D5MUWAQ24XA3 · cold climate	17.5	11.0	10.5	19,600	217730632
D5MUWAQ24XA3 · cold climate	17.5	11.0	10.5	19,600	217730648
D5MUWAQ24XA3 · cold climate	17.5	11.0	10.5	19,600	217730664
D5MUWAQ24XA3 · cold climate	17.5	11.0	10.5	19,600	217730680
D5MUWAQ24XA3 · cold climate	17.5	11.0	10.5	19,600	218213797
D5MUWAQ24XA3 · cold climate	17.5	11.0	10.5	19,600	218213791
D5MUWAQ24XA3 · cold climate	17.5	11.0	10.5	19,600	218213785
D5MUWAQ24XA3 · cold climate	17.5	11.0	10.5	19,600	218213779
D5MUWAQ24XA3 · cold climate	17.5	11.0	10.5	19,600	218213773
D5MUWAQ24XA3 · cold climate	17.5	11.0	10.5	19,600	218213767
D5MUWAQ24XA3 · cold climate	17.5	11.0	10.5	19,600	218213761
D5MUWAQ24XA3 · cold climate	17.5	11.0	10.5	19,600	218213755
D5MUWAQ24XA3 · cold climate	17.5	11.0	10.5	19,600	218213749
D5MUWAQ24XA3 · cold climate	17.5	11.0	10.5	19,600	218213743
D5MUWAQ24XA3 · cold climate	17.5	11.0	10.5	19,600	218213737
D5MUWAQ24XA3 · cold climate	17.5	11.0	10.5	19,600	218668522
FTMA5X24L0B · cold climate	17.0	11.0	9.0	19,100	216728045
FTMA5X24L0B · cold climate	17.0	11.0	9.0	19,100	216728044
FTMA5X24L0B · cold climate	17.0	11.0	9.0	19,100	216728042
FTMA5X24L0B · cold climate	17.0	11.0	9.0	19,100	216728046
FTMA5X24L0B · cold climate	17.0	11.0	9.0	19,100	216728043
FTMA5X24L0B · cold climate	17.0	11.0	9.0	19,100	216728041
FTMA5X24L0B · cold climate	17.0	11.0	9.0	19,100	216728048
FTMA5X24L0B · cold climate	17.0	11.0	9.0	19,100	216728047
D5FULAH24XAX · cold climate	16.0	10.0	9.5	21,000	217456522
D5FULAH24XBX · cold climate	16.0	10.0	9.5	21,000	217456523
D5FULAH24XAX · cold climate	16.0	10.0	9.5	21,000	217456578
D5FULAH24XAX · cold climate	16.0	10.0	9.5	21,000	217456634
D5FULAH24XBX · cold climate	16.0	10.0	9.5	21,000	217456635
D5FULAH24XBX · cold climate	16.0	10.0	9.5	21,000	217456719
D5FULAH24XAX · cold climate	16.0	10.0	9.5	21,000	217456774
D5FULAH24XBX · cold climate	16.0	10.0	9.5	21,000	217456775
D5FULAH24XAX · cold climate	16.0	10.0	9.5	21,000	217456690

Yearly running cost in 10 large cities$602-$1,525

Phoenix, AZ$730/yr
Miami, FL$602/yr
Houston, TX$654/yr
Atlanta, GA$646/yr
Los Angeles, CA$625/yr
New York, NY$1,525/yr
Chicago, IL$1,234/yr
Denver, CO$1,023/yr
Seattle, WA$626/yr
Minneapolis, MN$1,265/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 Heil D5CUHAH24AAK?: The Heil D5CUHAH24AAK is rated at up to 18.7 SEER2 and 12.0 EER2 for cooling and up to 10.5 HSPF2 for heating. The exact figure depends on the indoor unit it is paired with; across its 97 certified matchups SEER2 ranges from 16.0-18.7.
Is the Heil D5CUHAH24AAK good for cold climates?: Yes. At least one certified matchup meets the ENERGY STAR cold-climate criteria, delivering up to 21,600 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 Heil D5CUHAH24AAK cost to run per year?: At its rated efficiency it costs about $602-$1,525 a year in electricity in large U.S. cities, depending on climate and local rates - for example $730 in Phoenix and $1,265 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 Heil D5CUHAH24AAK?: ENERGY STAR lists 97 certified combinations for this outdoor unit. The highest-rated ones use D5FUHAH24XAK, D5FUAAH24XAK, D5MUWAQ24XA3.
What refrigerant does the Heil D5CUHAH24AAK 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 $718/yrYou save $535/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 Heil D5CUHAH24AAK

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: $718
Current system, per year: $1,254
You save per year: $535
Payback: 16.8 years
Net after 10 years: -$3,646

Cooling $452Heating $267Electricity used: 4,490 kWhSaved vs. a minimum-efficiency heat pump: $246

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 2 ton models

Carrier 37MUHAQ24AA3 · cold climate18.7 SEER2 · 10.5 HSPF2
MDV MOX430-24HFN10-M3X · cold climate18.7 SEER2 · 10.5 HSPF2
Bosch BOHA-24MTB-M18S · cold climate18.9 SEER2 · 10.0 HSPF2
ACIQ ACIQ-24-HPD · cold climate18.6 SEER2 · 10.5 HSPF2
York YZV24B2119.0 SEER2 · 8.5 HSPF2
AI AIR CONDITIONING AUO19-24N2-M3H · cold climate18.6 SEER2 · 10.5 HSPF2
TCL THH24TDI2NAF2H26 · cold climate19.0 SEER2 · 8.5 HSPF2
ComfortStar CPH3-24CD(O) · cold climate18.6 SEER2 · 10.5 HSPF2

See all 331 2 ton central heat pumps, ranked

Source: ENERGY STAR Certified Heat Pumps (U.S. EPA), certification of September 22, 2026. How we use the data.