What is the SEER2 rating of the GE Appliances NS18H36HA5?

The GE Appliances NS18H36HA5 is rated at up to 19.3 SEER2 and 11.7 EER2 for cooling and up to 9.6 HSPF2 for heating. The exact figure depends on the indoor unit it is paired with; across its 386 certified matchups SEER2 ranges from 15.2-19.3.

Is the GE Appliances NS18H36HA5 good for cold climates?

Yes. At least one certified matchup meets the ENERGY STAR cold-climate criteria, delivering up to 30,800 BTU/h at 5°F with a COP of 1.95, so it is still 2.0 times as efficient as electric resistance heat at that temperature.

How much does the GE Appliances NS18H36HA5 cost to run per year?

At its rated efficiency it costs about $839-$2,323 a year in electricity in large U.S. cities, depending on climate and local rates - for example $1,045 in Phoenix and $1,949 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 GE Appliances NS18H36HA5?

ENERGY STAR lists 386 certified combinations for this outdoor unit. The highest-rated ones use NCHC42BT5****+TDR, NAM42V2TA5, NCHC36CT5****+TDR.

3-ton central heat pump · Connect

GE Appliances NS18H36HA5

Very good cooling and heating efficiency for a 3-ton central heat pump, and certified for cold climates.

Ranks #41 of 302 3 ton central heat pumps for cooling efficiency, and costs about $964 a year to run in a mixed climate like Atlanta.

SEER2: 19.3 Cooling efficiency over a season
Very good · beats 89%
HSPF2: 9.6 Heating efficiency over a season
Very good · beats 76%
EER2: 11.7 Cooling efficiency on a 95°F day
Average · beats 43%
Heat at 5°F: 30,800 BTU/h79% of its 47°F output
Below average · beats 27%

A good fit if…

You want low cooling bills - its SEER2 beats 89% of central heat pumps.
Your winters get properly cold - it is ENERGY STAR cold-climate certified, with 30,800 BTU/h at 5°F.
It will heat most of the year - its HSPF2 beats 76% 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

Specifications3 ton, R-454B

General
Brand	GE Appliances
Outdoor unit model	NS18H36HA5
Series	Connect
Type	Central heat pump
Nominal size	3 ton
CompressorVariable-speed units run longer at low power	Continuously variable
Refrigerant	R-454B
Connected (smart) capable	No
On the market since	October 16, 2024
Last certified	July 17, 2026
Cooling
SEER2Seasonal efficiency, higher is better	19.3 (range 15.2-19.3)
EER2Efficiency at 95°F outdoors	10.0-12.0
Cooling capacity	32,200-36,200 BTU/h
Heating
HSPF2Seasonal efficiency, higher is better	8.1-9.6
Capacity at 47°F	34,000-38,500 BTU/h
Capacity at 17°F	27,000-29,600 BTU/h
Capacity at 5°F	27,600-30,800 BTU/h
COP at 5°F2.0 = twice as efficient as a space heater	1.80-1.95
ENERGY STAR cold climate	Yes

Heating output as it gets colder79% kept at 5°F

Every heat pump delivers less heat as the outdoor temperature drops. Certified output of its matchup with NCHC42BT5****+TDR at the standard test temperatures, in BTU/h:

Certified matchups386 indoor units

The same outdoor unit scores differently with each indoor unit and furnace. The 60 highest-rated of 386 are shown. 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.
NCHC42BT5****+TDR · cold climate	NF97U070V3BF***	19.3	11.7	9.1	27,600	218668530
NAM42V2TA5 · cold climate	-	19.0	11.7	9.4	29,400	216604753
NCHC36CT5****+TDR · cold climate	NF96U090S3CF***	18.9	11.0	9.0	28,400	217313653
NCUU37CT5****+TDR · cold climate	NF80U110V5CF***	18.8	11.0	8.5	28,200	218079615
NCUC37CT5****+TDR · cold climate	NF80U110V5CF***	18.8	11.0	8.5	28,200	218079584
NCHC36CT5****+TDR · cold climate	NF93U090S3CF***	18.7	11.0	9.0	28,200	217313655
NCUC36BT5****+TDR · cold climate	NF80U090T3BF***	18.7	11.0	8.5	28,200	217313497
NCHC30AT5****+TDR · cold climate	NF80U045T3A***	18.6	11.0	9.0	28,400	217124094
NCHC36BT5****+TDR · cold climate	NF80U090T3BF***	18.6	11.0	8.5	28,400	217313613
NCHC36CT5****+TDR · cold climate	NF96U090V4CF***	18.6	11.0	9.0	28,200	217313674
NCHC30BT5****+TDR · cold climate	NF80U090T3BF***	18.6	11.0	8.5	28,400	217313556
NCUU37CT5****+TDR · cold climate	NF96U110V5CF***	18.6	11.0	8.5	28,400	218079622
NCUU37CT5****+TDR · cold climate	NF96U090S3CF***	18.6	11.0	8.5	28,200	218079620
NCUC37CT5****+TDR · cold climate	NF96U110V5CF***	18.6	11.0	8.5	28,400	218079591
NCUC37CT5****+TDR · cold climate	NF96U090S3CF***	18.6	11.0	8.5	28,200	218079589
NAM36V2TA5 · cold climate	-	18.5	11.0	9.4	29,400	216604752
NAM36E3TA5 · cold climate	-	18.5	11.0	9.4	29,400	216705363
NAM36E1TA5 · cold climate	-	18.5	11.7	9.0	30,000	216604748
NCUC36AT5****+TDR · cold climate	NF80U045T3A***	18.5	11.0	8.5	28,600	217124071
NCU[C,U]36CT5****+TDR · cold climate	NF96U090S3CF***	18.5	10.0	8.5	28,600	217663208
NCHC36CT5****+TDR · cold climate	NF97U090V4CF***	18.4	11.7	9.0	28,200	217313665
NCUC30BT5****+TDR · cold climate	NF97U070T3B***	18.4	11.1	8.8	29,000	218668532
NCUU37CT5****+TDR · cold climate	NF80L090V5CF***	18.4	11.0	8.5	28,200	218079625
NCUU37CT5****+TDR · cold climate	NF80U090V5CF***	18.4	11.0	8.5	28,200	218079624
NCUC37CT5****+TDR · cold climate	NF80L090V5CF***	18.4	11.0	8.5	28,200	218079594
NCUC37CT5****+TDR · cold climate	NF80U090V5CF***	18.4	11.0	8.5	28,200	218079593
NCHC36CT5****+TDR · cold climate	NF97U110V4CF***	18.4	11.0	9.0	28,200	217313667
NCU[C,U]36CT5****+TDR · cold climate	NF93U090S3CF***	18.4	10.0	8.5	28,400	217663209
NCDC42BT5****+TDR · cold climate	NF93D045S3BF***	18.3	11.0	9.0	28,200	217313702
NCUC30BT5****+TDR · cold climate	NF80U090T3BF***	18.3	11.0	8.5	28,400	217313440
NCUC36BT5****+TDR · cold climate	NF80U070V4BF***	18.3	11.7	8.5	28,200	217313535
NCUU37CT5****+TDR · cold climate	NF80L110V5CF***	18.3	11.0	8.5	28,400	218079628
NCUU37CT5****+TDR · cold climate	NF80U110V5C***	18.3	11.0	8.5	28,400	218079627
NCUU37CT5****+TDR · cold climate	NF93U090S3CF***	18.3	11.0	8.5	28,000	218079617
NCUC37CT5****+TDR · cold climate	NF80L110V5CF***	18.3	11.0	8.5	28,400	218079597
NCUC37CT5****+TDR · cold climate	NF80U110V5C***	18.3	11.0	8.5	28,400	218079596
NCUC37CT5****+TDR · cold climate	NF93U090S3CF***	18.3	11.0	8.5	28,000	218079586
NCHC30BT5****+TDR · cold climate	NF80U070V4BF***	18.3	11.0	8.5	28,400	217313593
NAM42V1TA5 · cold climate	-	18.2	11.7	9.0	30,000	216604751
NCHC36CT5****+TDR · cold climate	NF98U090M3C***	18.2	11.0	9.0	28,400	217124134
NCHC36BT5****+TDR · cold climate	NF80U070V4BF***	18.2	11.0	8.5	28,400	217313647
NCUU37CT5****+TDR · cold climate	NF98U110M5C***	18.2	11.0	8.5	28,200	218079634
NCUC37CT5****+TDR · cold climate	NF98U110M5C***	18.2	11.0	8.5	28,200	218079603
NCUC30AT5****+TDR · cold climate	NF80U045T3A***	18.2	11.0	8.5	28,600	217124048
NCUU37CT5****+TDR · cold climate	NF80X080V4B***	18.2	11.0	8.5	28,200	218079623
NCUU37CT5****+TDR · cold climate	NF97U110V4CF***	18.2	11.0	8.5	28,200	218079612
NCUC37CT5****+TDR · cold climate	NF80X080V4B***	18.2	11.0	8.5	28,200	218079592
NCUC37CT5****+TDR · cold climate	NF97U110V4CF***	18.2	11.0	8.5	28,200	218079581
NAS36E1TB5 · cold climate	-	18.1	10.9	9.6	30,200	218635940
NAS30E1TB5 · cold climate	-	18.1	11.0	9.5	30,800	218635939
NCHC30AT5****+TDR · cold climate	NF80U045S3A***	18.1	11.0	9.0	28,200	217124096
NCHC30AT5****+TDR · cold climate	NF80L045S3A***	18.1	11.0	9.0	28,200	217124097
NCUC36BT5****+TDR · cold climate	NF80U090V4B***	18.1	11.7	8.5	28,200	217124082
NCUC36BT5****+TDR · cold climate	NF80L090V4BF***	18.1	11.7	8.5	28,200	217313527
NCUC36BT5****+TDR · cold climate	NF80U090V3BF***	18.1	11.0	8.5	28,200	217313495
NCUC36BT5****+TDR · cold climate	NF80U070V3BF***	18.1	11.0	8.5	28,200	217313499
NCUU37CT5****+TDR · cold climate	NF97U110V5C***	18.1	11.0	8.5	28,200	218079613
NCUC37CT5****+TDR · cold climate	NF97U110V5C***	18.1	11.0	8.5	28,200	218079582
NCUC36BT5****+TDR · cold climate	NF80L070S3B***	18.1	11.0	8.5	28,400	217124076
NCUC36BT5****+TDR · cold climate	NF80U070S3B***	18.1	11.0	8.5	28,400	217124075

Yearly running cost in 10 large cities$839-$2,323

Phoenix, AZ$1,045/yr
Miami, FL$839/yr
Houston, TX$937/yr
Atlanta, GA$964/yr
Los Angeles, CA$941/yr
New York, NY$2,323/yr
Chicago, IL$1,889/yr
Denver, CO$1,574/yr
Seattle, WA$969/yr
Minneapolis, MN$1,949/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 GE Appliances NS18H36HA5?: The GE Appliances NS18H36HA5 is rated at up to 19.3 SEER2 and 11.7 EER2 for cooling and up to 9.6 HSPF2 for heating. The exact figure depends on the indoor unit it is paired with; across its 386 certified matchups SEER2 ranges from 15.2-19.3.
Is the GE Appliances NS18H36HA5 good for cold climates?: Yes. At least one certified matchup meets the ENERGY STAR cold-climate criteria, delivering up to 30,800 BTU/h at 5°F with a COP of 1.95, so it is still 2.0 times as efficient as electric resistance heat at that temperature.
How much does the GE Appliances NS18H36HA5 cost to run per year?: At its rated efficiency it costs about $839-$2,323 a year in electricity in large U.S. cities, depending on climate and local rates - for example $1,045 in Phoenix and $1,949 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 GE Appliances NS18H36HA5?: ENERGY STAR lists 386 certified combinations for this outdoor unit. The highest-rated ones use NCHC42BT5****+TDR, NAM42V2TA5, NCHC36CT5****+TDR.
What refrigerant does the GE Appliances NS18H36HA5 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 $1,043/yrYou save $751/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 GE Appliances NS18H36HA5

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: $1,043
Current system, per year: $1,793
You save per year: $751
Payback: 17.3 years
Net after 10 years: -$5,493

Cooling $627Heating $415Electricity used: 6,517 kWhSaved vs. a minimum-efficiency heat pump: $336

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.

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Heil B5H0V36*K*AAA · cold climate19.5 SEER2 · 9.5 HSPF2
Bosch BOVB-36MTB-M19E · cold climate19.0 SEER2 · 10.0 HSPF2
Day & Night C5H0V36*K*AAA · cold climate19.5 SEER2 · 9.5 HSPF2
Midea MOVA-36HDN10-M20G · cold climate19.0 SEER2 · 10.0 HSPF2
Carrier 27VNA036A*030 · cold climate19.5 SEER2 · 9.5 HSPF2
York YDC36E2D11 · cold climate19.0 SEER2 · 10.0 HSPF2

See all 302 3 ton central heat pumps, ranked

Source: ENERGY STAR Certified Heat Pumps (U.S. EPA), certification of July 17, 2026. How we use the data.