GE / AIR-SOURCE HEAT PUMP

NS21H24MA5-**A

NS21H Series · EPA record 4577852

Source checked Sep 21, 2026

Performance & equipment details

Values below belong to EPA record 4577852. Temperature points and test metrics are preserved as reported. Missing and zero values are not substituted with estimates.

Metric or attributeSource value
SEER2 · BTU/Wh18.00
EER2 · BTU/Wh12.50
HSPF2 · BTU/Wh8.50
Cooling capacity · BTU/h24000
Heating capacity at 47°F / 8.3°C · BTU/h24600
Heating capacity at 17°F / −8.3°C · BTU/h19300
Heating capacity at 5°F / −15°C · BTU/h14300
COP at 5°F / −15°C1.74
Equipment / loop typeHP - Split System
Refrigerant / source-reported GWPR-454B (GWP:470 | Lower GWP)
Compressor stagingContinuously variable
Connected capabilityNo

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This listed system

These ratings apply to the listed configuration. Changing a component may change performance.

Outdoor unitNS21H24MA5-**A
+
Indoor unitNCU[C,U]24BT5*-**+TDR
+
Required furnaceNF97U045T3B*

AHRI reference 218159757 · reported by ENERGY STAR; no direct AHRI data connection.

All source records for NS21H24MA5-**A

Specifications & provenance

Every value below is preserved from the source record. Checked Sep 21, 2026. Asterisks and other model wildcards are retained as published.

Source fieldReported valueEvidence
pd id4577852EPA Sep 21, 2026
marketsUnited States, CanadaEPA Sep 21, 2026
cop at 5 f1.74EPA Sep 21, 2026
eer2 btu wh12.50EPA Sep 21, 2026
series nameNS21H SeriesEPA Sep 21, 2026
cold climateNoEPA Sep 21, 2026
hspf2 btu wh8.50EPA Sep 21, 2026
model numberNS21H24MA5-**AEPA Sep 21, 2026
product typeHP - Split SystemEPA Sep 21, 2026
seer2 btu wh18.00EPA Sep 21, 2026
date certified2026-04-22T00:00:00.000EPA Sep 21, 2026
manufacturer typeSystem ManufacturerEPA Sep 21, 2026
compressor stagingContinuously variableEPA Sep 21, 2026
energy star partnerGE Appliances, a Haier CompanyEPA Sep 21, 2026
connected capabilityNoEPA Sep 21, 2026
furnace model numberNF97U045T3B*EPA Sep 21, 2026
refrigerant with gwpR-454B (GWP:470 | Lower GWP)EPA Sep 21, 2026
ahri reference number218159757EPA Sep 21, 2026
cooling capacity btu h24000EPA Sep 21, 2026
outdoor unit brand nameGEEPA Sep 21, 2026
date available on market2025-11-06T00:00:00.000EPA Sep 21, 2026
indoor unit model numberNCU[C,U]24BT5*-**+TDREPA Sep 21, 2026
energy star model identifierES_1123206_NS21H24MA5-**A_03052026093000_28218159757EPA Sep 21, 2026
heating capacity at 5 f btu h14300EPA Sep 21, 2026
meets most efficient criteriaNoEPA Sep 21, 2026
heating capacity at 17 f btu h19300EPA Sep 21, 2026
heating capacity at 47 f btu h24600EPA Sep 21, 2026
meets peak cooling requirementsYesEPA Sep 21, 2026
controls verification procedure cvp testDOE Federal CVP TestEPA Sep 21, 2026