What is the SEER2 rating of the Rheem WP15AY24AJ2N?

The Rheem WP15AY24AJ2N is rated at up to 15.2 SEER2 and 11.7 EER2 for cooling and up to 7.8 HSPF2 for heating. The exact figure depends on the indoor unit it is paired with.

Is the Rheem WP15AY24AJ2N good for cold climates?

It is not cold-climate certified: none of its matchups meet the ENERGY STAR cold-climate criteria (a COP of at least 1.75 at 5°F among other limits). In places with frequent sub-zero nights, pick a cold-climate 2-ton model.

How much does the Rheem WP15AY24AJ2N cost to run per year?

At its rated efficiency it costs about $704-$1,841 a year in electricity in large U.S. cities, depending on climate and local rates - for example $862 in Phoenix and $1,533 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 Rheem WP15AY24AJ2N?

ENERGY STAR lists 11 certified combinations for this outdoor unit. The highest-rated ones use FHRNTT2417S*YTNA, WH2TY2417STANN, RH2TY2417STANN.

2-ton central heat pump · W Series

Rheem WP15AY24AJ2N

Below average cooling and heating efficiency for a 2-ton central heat pump, but not rated for cold climates.

Ranks #328 of 331 2 ton central heat pumps for cooling efficiency, and costs about $774 a year to run in a mixed climate like Atlanta.

SEER2: 15.2 Cooling efficiency over a season
Below average · beats 6%
HSPF2: 7.8 Heating efficiency over a season
Below average · beats 5%
EER2: 11.7 Cooling efficiency on a 95°F day
Average · beats 43%
Heat at 5°F: 11,200 BTU/h48% of its 47°F output
Average · beats 58%

A good fit if…

You want a choice of indoor units - 11 certified pairings.

Think twice if…

You often see nights below 0°F - it is not cold-climate certified.
Cooling cost matters most - its SEER2 is below average for central heat pumps.
You mainly need heat - its HSPF2 is below average for central heat pumps.

Calculate my running cost

Details

Specifications2 ton, R-454B

General
Brand	Rheem
Also sold as	Ruud, WeatherKing, Fujitsu
Outdoor unit model	WP15AY24AJ2N
Series	W Series
Type	Central heat pump
Nominal size	2 ton
CompressorVariable-speed units run longer at low power	Two-stage
Refrigerant	R-454B
Connected (smart) capable	No
On the market since	August 6, 2024
Last certified	January 31, 2025
Cooling
SEER2Seasonal efficiency, higher is better	15.2 (range 15.2)
EER2Efficiency at 95°F outdoors	11.7
Cooling capacity	22,800 BTU/h
Heating
HSPF2Seasonal efficiency, higher is better	7.8
Capacity at 47°F	22,600-22,800 BTU/h
Capacity at 17°F	13,800-22,600 BTU/h
Capacity at 5°F	10,900-11,200 BTU/h
COP at 5°F2.0 = twice as efficient as a space heater	2.00-2.10
ENERGY STAR cold climate	No

Heating output as it gets colder48% kept at 5°F

Every heat pump delivers less heat as the outdoor temperature drops. Certified output of its matchup with WH2TY2417STANN at the standard test temperatures, in BTU/h:

Certified matchups11 indoor units

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

Indoor unit	Furnace	SEER2	EER2	HSPF2	Heat @5°F	AHRI ref.
FHRNTT2417S*YTNA	-	15.2	11.7	7.8	-	215415493
WH2TY2417STANN	-	15.2	11.7	7.8	10,900	215415451
RH2TY2417STANN	-	15.2	11.7	7.8	10,900	215415459
RH2TY2417STANN	-	15.2	11.7	7.8	10,900	215415460
RCFY2417STANM	U97MV0703A17DHS	15.2	11.7	7.8	11,100	215654520
RCFY2417STANM	U98MV0703A17UPS	15.2	11.7	7.8	11,100	215654553
RCFY2417STANM	R98MV0703A17UP	15.2	11.7	7.8	11,100	215654561
RCFY2417STANM	R97MV0703A17DH	15.2	11.7	7.8	11,100	215654565
RF2TY2421STANS	-	15.2	11.7	7.8	11,200	216533437
RF2TY2421STANS	-	15.2	11.7	7.8	11,200	216533427
RF2TY2421STANS	-	15.2	11.7	7.8	11,200	216533434

Yearly running cost in 10 large cities$704-$1,841

Phoenix, AZ$862/yr
Miami, FL$704/yr
Houston, TX$773/yr
Atlanta, GA$774/yr
Los Angeles, CA$752/yr
New York, NY$1,841/yr
Chicago, IL$1,493/yr
Denver, CO$1,239/yr
Seattle, WA$760/yr
Minneapolis, MN$1,533/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 Rheem WP15AY24AJ2N?: The Rheem WP15AY24AJ2N is rated at up to 15.2 SEER2 and 11.7 EER2 for cooling and up to 7.8 HSPF2 for heating. The exact figure depends on the indoor unit it is paired with.
Is the Rheem WP15AY24AJ2N good for cold climates?: It is not cold-climate certified: none of its matchups meet the ENERGY STAR cold-climate criteria (a COP of at least 1.75 at 5°F among other limits). In places with frequent sub-zero nights, pick a cold-climate 2-ton model.
How much does the Rheem WP15AY24AJ2N cost to run per year?: At its rated efficiency it costs about $704-$1,841 a year in electricity in large U.S. cities, depending on climate and local rates - for example $862 in Phoenix and $1,533 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 Rheem WP15AY24AJ2N?: ENERGY STAR lists 11 certified combinations for this outdoor unit. The highest-rated ones use FHRNTT2417S*YTNA, WH2TY2417STANN, RH2TY2417STANN.
What refrigerant does the Rheem WP15AY24AJ2N 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 $853/yrYou save $320/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 Rheem WP15AY24AJ2N

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: $853
Current system, per year: $1,172
You save per year: $320
Payback: 26.6 years
Net after 10 years: -$5,302

Cooling $528Heating $325Electricity used: 5,328 kWhSaved vs. a minimum-efficiency heat pump: $46

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

OXBOX J5HP5024A1000AA15.2 SEER2 · 7.8 HSPF2
Ruud RP15AY24AJ2N15.2 SEER2 · 7.8 HSPF2
Midea MOVA-24HN10-M152L15.2 SEER2 · 7.8 HSPF2
Sure SP15AY24AJ2N15.2 SEER2 · 7.8 HSPF2
Kaden KOVH-24BAM152L15.2 SEER2 · 7.8 HSPF2
Whirlpool WLP15AY24AJ2N15.2 SEER2 · 7.8 HSPF2
Guardian RHP15024B2115.2 SEER2 · 7.8 HSPF2
Fujitsu FOP1524TJAYNA15.2 SEER2 · 7.8 HSPF2

See all 331 2 ton central heat pumps, ranked

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