waterheaterspecs

Heat pump · 240 V integrated

A. O. Smith HPS10-xxH45DV 2

The A. O. Smith HPS10-xxH45DV 2 line holds three certified rating sets of 240 V integrated heat-pump water heaters, 21 model numbers sold under five brand names, listed by A.O. Smith. Rated volume runs from 46 to 82 gal, and the first-hour rating runs from 65 to 95 gal. UEFs compare only within a draw pattern; the two high-draw sets rate UEF from 3.70 to 3.88. A. O. Smith HPS10-50H45DV 2 lists 831 kWh/yr, the third lowest of the 38 medium-draw heat-pump sets. A. O. Smith HPS10-80H45DV 2 sits exactly on the median UEF of the 58 high-draw heat-pump sets, 3.88.

Certified as of October 27, 2026 · EPA ENERGY STAR data, public domain · Compare in the Heater finder

Size by size

Certified values of A. O. Smith HPS10-xxH45DV 2
Rating setRated volume, galFirst hour, galPer rated galUEFUEF rankkWh/yr
A. O. Smith HPS10-50H45DV 27 model numbers46651.413.80 mediumninth highest of 38831
A. O. Smith HPS10-66H45DV 27 model numbers67821.223.70 high20th lowest of 58, two tied1,233
A. O. Smith HPS10-80H45DV 27 model numbers82951.163.88 high29th highest of 58, two tied1,279

UEF ranks compare sets of the same draw pattern only.

A. O. Smith HPS10-xxH45DV 2: first-hour rating against rated volume

A. O. Smith HPS10-xxH45DV 2Other heat-pump sets

First-hour rating, gal

A. O. Smith HPS10-xxH45DV 2: first-hour rating against rated volume40608010012014030405060708090100110120Rated volume, gal1×1.5×A. O. Smith CAHP-40 2A. O. Smith CAHP-50 2A. O. Smith CAHP-66 2A. O. Smith CAHP-80 2A. O. Smith FPTU-50 1A. O. Smith FPTU-66 1A. O. Smith FPTU-80 1A. O. Smith HP1050H45DV 1A. O. Smith HP1080H45DV 1A. O. Smith HPACO-45 1+AXST-50LBTTP 1A. O. Smith HPACO-45 1+AXST-50T 1A. O. Smith HPACO-45 1+AXST-66 1A. O. Smith HPACO-45 1+AXST-80 1A. O. Smith HPTU-66CTA 1A. O. Smith HPTV-50 2A. O. Smith HPTV-66 2A. O. Smith HPTV-80 2American Standard ASHPWH-40American Standard ASHPWH-50American Standard ASHPWH-65American Standard ASHPWH-80Arctic Arctic-HP-Hot Water-KA06-50Arctic Arctic-HP-Hot Water-KA06-80Ariston ARIHPWH-40-TAriston ARIHPWH-50-TAriston ARIHPWH-65-TAriston ARIHPWH-80-TBradford White RE2H50S-Bradford White RE2H65T-Bradford White RE2H80T-Bradford White RE2HP50-1NCTTBradford White RE2HP65-1NCTTBradford White RE2HP80-1NCTTCarnot Labs N51Eco-Logical OMNI-50HP1-1AEco-Logical OMNI-50HP2-1AEco-Logical OMNI-80HP2-1AFriedrich PROH40 T2 FD310BMFriedrich PROH50 T2 FD310BMFriedrich PROH65 T2 FD310BMFriedrich PROH80 T2 FD310BMGE Profile PF40S10FPY01GE Profile PF50S10FPY01GE Profile PF65S10FPY01GE Profile PF80S10FPY01GE Profile PH40S10BPY01GE Profile PH50S10BNY01GE Profile PH50S10BPY01GE Profile PH65S10BNY01GE Profile PH65S10BPY01GE Profile PH80S10BNY01GE Profile PH80S10BPY01Giant GTHPCO-45 1+GTXST-50S 1Gree GRS-3.0Pd/TD50GANhA-DGree GRS-3.0Pd/TD70GANhA-DLG APHWC501DLG APHWC502DLG APHWC801DLG APHWC802DMidea CAN3-RSJ-15/190RDVN3-L3Midea CAN3-RSJ-15/190RDVN3-L4Midea CAN3-RSJ-15/250RDVN3-L3Midea CAN3-RSJ-15/250RDVN3-L4Midea CAN3-RSJ-15/300RDVN3-L3Midea CAN3-RSJ-15/300RDVN3-L4Navien NWP500S050AUMBNavien NWP500S065AUMBNavien NWP500S080AUMBReclaim Energy MP120F-RCReclaim Energy MP80F-RCRheem PROPH40 T0 RH120-MRheem PROPH40 T2 RH375-15Rheem PROPH40 T2 RH375-30Rheem PROPH50 T0 RH120Rheem PROPH50 T0 RH120-MRheem PROPH50 T2 RH375-15Rheem PROPH50 T2 RH375-30Rheem PROPH65 T0 RH120-MRheem PROPH65 T2 RH375-15Rheem PROPH65 T2 RH375-30Rheem PROPH80 T0 RH120-MRheem PROPH80 T2 RH375-15Rheem PROPH80 T2 RH375-30Rinnai REHP50Rinnai REHP80SanCO2 GS5-45HPC HP + ECO-119GLBKSanCO2 GS5-45HPC HP + ECO-43SSAQBSanCO2 GS5-45HPC HP + ECO-83SSAQBSmart Solar SSG2-ES 120Smart Solar SSG2-ES 65Smart Solar SSG2-ES 80Vaughn Thermal ME120HPTVaughn Thermal ME50HPTVaughn Thermal ME65HPTVaughn Thermal ME80HPTVaughn Thermal MP120FHPTVaughn Thermal MP55FHPTVaughn Thermal MP80FHPTA. O. Smith HPS10-50H45DV 2A. O. Smith HPS10-66H45DV 2A. O. Smith HPS10-80H45DV 2
A. O. Smith HPS10-xxH45DV 2: first-hour rating against rated volume406080100120140306090120Rated volume, galA. O. Smith CAHP-40 2A. O. Smith CAHP-50 2A. O. Smith CAHP-66 2A. O. Smith CAHP-80 2A. O. Smith FPTU-50 1A. O. Smith FPTU-66 1A. O. Smith FPTU-80 1A. O. Smith HP1050H45DV 1A. O. Smith HP1080H45DV 1A. O. Smith HPACO-45 1+AXST-50LBTTP 1A. O. Smith HPACO-45 1+AXST-50T 1A. O. Smith HPACO-45 1+AXST-66 1A. O. Smith HPACO-45 1+AXST-80 1A. O. Smith HPTU-66CTA 1A. O. Smith HPTV-50 2A. O. Smith HPTV-66 2A. O. Smith HPTV-80 2American Standard ASHPWH-40American Standard ASHPWH-50American Standard ASHPWH-65American Standard ASHPWH-80Arctic Arctic-HP-Hot Water-KA06-50Arctic Arctic-HP-Hot Water-KA06-80Ariston ARIHPWH-40-TAriston ARIHPWH-50-TAriston ARIHPWH-65-TAriston ARIHPWH-80-TBradford White RE2H50S-Bradford White RE2H65T-Bradford White RE2H80T-Bradford White RE2HP50-1NCTTBradford White RE2HP65-1NCTTBradford White RE2HP80-1NCTTCarnot Labs N51Eco-Logical OMNI-50HP1-1AEco-Logical OMNI-50HP2-1AEco-Logical OMNI-80HP2-1AFriedrich PROH40 T2 FD310BMFriedrich PROH50 T2 FD310BMFriedrich PROH65 T2 FD310BMFriedrich PROH80 T2 FD310BMGE Profile PF40S10FPY01GE Profile PF50S10FPY01GE Profile PF65S10FPY01GE Profile PF80S10FPY01GE Profile PH40S10BPY01GE Profile PH50S10BNY01GE Profile PH50S10BPY01GE Profile PH65S10BNY01GE Profile PH65S10BPY01GE Profile PH80S10BNY01GE Profile PH80S10BPY01Giant GTHPCO-45 1+GTXST-50S 1Gree GRS-3.0Pd/TD50GANhA-DGree GRS-3.0Pd/TD70GANhA-DLG APHWC501DLG APHWC502DLG APHWC801DLG APHWC802DMidea CAN3-RSJ-15/190RDVN3-L3Midea CAN3-RSJ-15/190RDVN3-L4Midea CAN3-RSJ-15/250RDVN3-L3Midea CAN3-RSJ-15/250RDVN3-L4Midea CAN3-RSJ-15/300RDVN3-L3Midea CAN3-RSJ-15/300RDVN3-L4Navien NWP500S050AUMBNavien NWP500S065AUMBNavien NWP500S080AUMBReclaim Energy MP120F-RCReclaim Energy MP80F-RCRheem PROPH40 T0 RH120-MRheem PROPH40 T2 RH375-15Rheem PROPH40 T2 RH375-30Rheem PROPH50 T0 RH120Rheem PROPH50 T0 RH120-MRheem PROPH50 T2 RH375-15Rheem PROPH50 T2 RH375-30Rheem PROPH65 T0 RH120-MRheem PROPH65 T2 RH375-15Rheem PROPH65 T2 RH375-30Rheem PROPH80 T0 RH120-MRheem PROPH80 T2 RH375-15Rheem PROPH80 T2 RH375-30Rinnai REHP50Rinnai REHP80SanCO2 GS5-45HPC HP + ECO-119GLBKSanCO2 GS5-45HPC HP + ECO-43SSAQBSanCO2 GS5-45HPC HP + ECO-83SSAQBSmart Solar SSG2-ES 120Smart Solar SSG2-ES 65Smart Solar SSG2-ES 80Vaughn Thermal ME120HPTVaughn Thermal ME50HPTVaughn Thermal ME65HPTVaughn Thermal ME80HPTVaughn Thermal MP120FHPTVaughn Thermal MP55FHPTVaughn Thermal MP80FHPTA. O. Smith HPS10-50H45DV 2A. O. Smith HPS10-66H45DV 2A. O. Smith HPS10-80H45DV 2
Filled: the three sets of A. O. Smith HPS10-xxH45DV 2; open circles: the other 98 heat-pump sets. Dashed lines mark 1× and 1.5× the rated volume; the highest ratio in the line is 1.41×, on A. O. Smith HPS10-50H45DV 2.

Across the sizes

From A. O. Smith HPS10-50H45DV 2 to A. O. Smith HPS10-80H45DV 2, rated volume grows by 36 gal and the first-hour rating by 30 gal: 0.83 gal of first-hour output for each added rated gallon.

The sizes test at different draw patterns (two high and one medium), so UEF and annual energy compare only between sizes that share a pattern (why).

Strongest placings, size by size

MeasureValueMedian of the groupPlacingCompared with
Rated electricity useA. O. Smith HPS10-50H45DV 2831 kWh/yr894 kWh/yrthird lowest of 3838 medium-draw heat-pump sets
UEFA. O. Smith HPS10-50H45DV 23.803.56ninth highest of 3838 medium-draw heat-pump sets
Compressor cut-offA. O. Smith HPS10-66H45DV 237 °F36.3 °F19th highest of 90, 27 tied90 heat-pump sets that report one
Rated electricity useA. O. Smith HPS10-66H45DV 21,233 kWh/yr1,268 kWh/yr19th lowest of 58, two tied58 high-draw heat-pump sets
Rated volumeA. O. Smith HPS10-80H45DV 282 gal61 galseventh highest of 101, four tied101 heat-pump sets
First-hour ratingA. O. Smith HPS10-80H45DV 295 gal77 galtenth highest of 101, three tied101 heat-pump sets

Model numbers

The line covers 21 model numbers under five brand names, all certified 2025-12-12. An asterisk stands for a variant character in the model number.

Model numberBrandRating setHeight × diameterElectricalRefrigerantConnectedCertified
HPS10-50H45DV 2**A. O. SmithHPS10-50H45DV 263 × 15 in240 V / 22 AR-134ayes2025-12-12
HPSN10-50H45DV 2**A. O. SmithHPS10-50H45DV 263 × 15 in240 V / 22 AR-134ayes2025-12-12
HPTS-50 2**A. O. SmithHPS10-50H45DV 263 × 15 in240 V / 22 AR-134ayes2025-12-12
HPS10250H045DV 2**AmericanHPS10-50H45DV 263 × 15 in240 V / 22 AR-134ayes2025-12-12
HPSA050KD 2**LochinvarHPS10-50H45DV 263 × 15 in240 V / 22 AR-134ayes2025-12-12
10-50-DHPTS 2**RelianceHPS10-50H45DV 263 × 15 in240 V / 22 AR-134ayes2025-12-12
HPSX-50-DHPT 2**StateHPS10-50H45DV 263 × 15 in240 V / 22 AR-134ayes2025-12-12
HPS10-66H45DV 2**A. O. SmithHPS10-66H45DV 261 × 23 in240 V / 22 AR-134ayes2025-12-12
HPSN10-66H45DV 2**A. O. SmithHPS10-66H45DV 261 × 23 in240 V / 22 AR-134ayes2025-12-12
HPTS-66 2**A. O. SmithHPS10-66H45DV 261 × 23 in240 V / 22 AR-134ayes2025-12-12
HPS10266H045DV 2**AmericanHPS10-66H45DV 261 × 23 in240 V / 22 AR-134ayes2025-12-12
HPSA065KD 2**LochinvarHPS10-66H45DV 261 × 23 in240 V / 22 AR-134ayes2025-12-12
10-66-DHPTS 2**RelianceHPS10-66H45DV 261 × 23 in240 V / 22 AR-134ayes2025-12-12
HPSX-66-DHPT 2**StateHPS10-66H45DV 261 × 23 in240 V / 22 AR-134ayes2025-12-12
HPS10-80H45DV 2**A. O. SmithHPS10-80H45DV 269 × 27 in240 V / 22 AR-134ayes2025-12-12
HPSN10-80H45DV 2**A. O. SmithHPS10-80H45DV 269 × 27 in240 V / 22 AR-134ayes2025-12-12
HPTS-80 2**A. O. SmithHPS10-80H45DV 269 × 27 in240 V / 22 AR-134ayes2025-12-12
HPS10280H045DV 2**AmericanHPS10-80H45DV 269 × 27 in240 V / 22 AR-134ayes2025-12-12
HPSA080KD 2**LochinvarHPS10-80H45DV 269 × 27 in240 V / 22 AR-134ayes2025-12-12
10-80-DHPTS 2**RelianceHPS10-80H45DV 269 × 27 in240 V / 22 AR-134ayes2025-12-12
HPSX-80-DHPT 2**StateHPS10-80H45DV 269 × 27 in240 V / 22 AR-134ayes2025-12-12

Nearest certified alternatives

Rating setFirst hourUEFRated volume
Navien NWP500S050AUMBcompared with A. O. Smith HPS10-50H45DV 2same gal+0.05−2 gal
Arctic Arctic-HP-Hot Water-KA06-50compared with A. O. Smith HPS10-50H45DV 2same gal+0.08−1.5 gal
American Standard ASHPWH-50compared with A. O. Smith HPS10-50H45DV 2+3 gal−0.05−1 gal
Bradford White RE2HP50-1NCTTcompared with A. O. Smith HPS10-50H45DV 2same gal+0.09−1 gal
A. O. Smith HPACO-45 1+AXST-66 1compared with A. O. Smith HPS10-66H45DV 2same gal±0.00−7 gal

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