SpecDirectory

Century MZ(L/R/B/P/T/K)042AvsComfort-Aire HZV/H/D070B

Side-by-side geothermal heat pump comparison

Century MZ(L/R/B/P/T/K)042A

EER

20.4–25.7BTU/Wh

COP

3.80–4.40

Refrigerant

Other

Rated Across

2loop types

Comfort-Aire HZV/H/D070B

EER

20.1–25.6BTU/Wh

COP

3.80–4.50

Refrigerant

R-410A

Rated Across

2loop types

Key differences

Both models are closely matched on eer: 25.7 vs 25.6 BTU/Wh. The Century MZ(L/R/B/P/T/K)042A is larger at 25.7 BTU/Wh versus 25.6 BTU/Wh.

Efficiency

SpecCenturyComfort-Aire
EER (best configuration)(BTU/Wh)25.725.6
EER (worst configuration)(BTU/Wh)20.420.1
COP (best configuration)4.404.50
COP (worst configuration)3.803.80

Configuration

SpecCenturyComfort-Aire
Loop Types Rated22
Total Configurations Rated22
Model NameTranquility 24 Versatile Two-StageTranquility 30 Digital
RefrigerantOtherR-410A
View MZ(L/R/B/P/T/K)042A specs →View HZV/H/D070B specs →

More comparisons

5 SERIES INDOOR SPLITS NSZ030H1vs Century MZ(L/R/B/P/T/K)042A5 SERIES INDOOR SPLITS NSZ042J1vs Century MZ(L/R/B/P/T/K)042AArcoaire HB042V******1**1vs Century MZ(L/R/B/P/T/K)042AASTON 103H030**1vs Century MZ(L/R/B/P/T/K)042A