SpecDirectory

WaterFurnace NDZ064J1vsWHALEN WZ(L/R/B/P/T/K)048A

Side-by-side geothermal heat pump comparison

WaterFurnace NDZ064J1

EER

20.8–25.8BTU/Wh

COP

3.90–4.50

Refrigerant

R-410A

Rated Across

2loop types

WHALEN WZ(L/R/B/P/T/K)048A

EER

20.9–25.7BTU/Wh

COP

3.90–4.40

Refrigerant

Other

Rated Across

2loop types

Key differences

Both models are closely matched on eer: 25.8 vs 25.7 BTU/Wh. The WaterFurnace NDZ064J1 is larger at 25.8 BTU/Wh versus 25.7 BTU/Wh.

Efficiency

SpecWaterFurnaceWHALEN
EER (best configuration)(BTU/Wh)25.825.7
EER (worst configuration)(BTU/Wh)20.820.9
COP (best configuration)4.504.40
COP (worst configuration)3.903.90

Configuration

SpecWaterFurnaceWHALEN
Loop Types Rated22
Total Configurations Rated42
Model Name5 Series (Indoor Split)Tranquility 24 Versatile Two-Stage
RefrigerantR-410AOther
View NDZ064J1 specs →View WZ(L/R/B/P/T/K)048A specs →

More comparisons

Arcoaire HB036V******1**1vs WaterFurnace NDZ064J15 SERIES INDOOR SPLITS NDZ064J1vs WHALEN WZ(L/R/B/P/T/K)048AAE Air WSH6024A6*vs WHALEN WZ(L/R/B/P/T/K)048AArcoaire HCR48V/H**N******1vs WHALEN WZ(L/R/B/P/T/K)048A