Home Water Heaters All ENERGY STAR Certified Water Heaters
Every water heater below is drawn from the U.S. EPA's ENERGY STAR certified water heater
datasets — 238 distinct products, one row per certified design (1101
certified listings once each brand's white-label variants are counted). Browse
by brand or by category:
Model Uniform Energy Factor (UEF) Fuel First-hour rating Max flow rate Rated storage volume Smart / connected capable A. O. Smith GC6-PS4050-V 1 40-Gallon 0.9 Natural Gas 86 gal — 38 gal No A. O. Smith GC6-PS5065-V 1 50-Gallon 0.9 Natural Gas 118 gal — 49 gal No A. O. Smith GDHE-50 3 50-Gallon 0.88 Natural Gas, Propane 100 gal — 49 gal No A. O. Smith GDHE-75 3 80-Gallon 0.86 Natural Gas, Propane 130 gal — 74 gal No A. O. Smith GPCC-40L 1 40-Gallon 0.9 Natural Gas, Propane 86 gal — 38 gal No A. O. Smith GPCC-50X 1 50-Gallon 0.9 Natural Gas, Propane 118 gal — 49 gal No A. O. Smith GPHE-50 1 50-Gallon 0.88 Natural Gas 119 gal — 48 gal No A. O. Smith HDHE-50 4 50-Gallon 0.88 Natural Gas, Propane 118 gal — 49 gal No A. O. Smith HDHE-75 4 80-Gallon 0.86 Natural Gas, Propane 150 gal — 74 gal No A. O. Smith SWN100035 2 30-Gallon 0.9 Natural Gas, Propane 170 gal — 33 gal No American VG6250T100-V 3 50-Gallon 0.88 Natural Gas, Propane 100 gal — 49 gal No Envirosense ENV-40P 1 40-Gallon 0.9 Propane 86 gal — 38 gal No Envirosense ENV-50P 1 50-Gallon 0.9 Propane 118 gal — 49 gal No Friedrich 12PROG 40-50P FD HE EC3 40-Gallon 0.9 Propane 88 gal — 40 gal No Friedrich 12PROG 40-50U FD HE EC3 40-Gallon 0.9 Natural Gas 88 gal — 40 gal No Friedrich 12PROG 50-50P FD HE EC3 50-Gallon 0.88 Propane 95 gal — 50 gal No Friedrich 12PROG 50-50U FD HE EC3 50-Gallon 0.88 Natural Gas 95 gal — 50 gal No Friedrich Gas Storage 50-Gallon (12PROG 50-100P FD HE EC3) 0.89 Propane 167 gal — 50 gal No Friedrich Gas Storage 50-Gallon (12PROG 50-100U FD HE EC3) 0.89 Natural Gas 167 gal — 50 gal No Friedrich Gas Storage 50-Gallon (12PROG 50-76P FD HE EC3) 0.89 Propane 136 gal — 50 gal No Friedrich Gas Storage 50-Gallon (12PROG 50-76U FD HE EC3) 0.89 Natural Gas 136 gal — 50 gal No Friedrich Gas Storage 80-Gallon (12PROG 75-100P FD HE EC3) 0.88 Propane 199 gal — 75 gal No Friedrich Gas Storage 80-Gallon (12PROG 75-100U FD HE EC3) 0.88 Natural Gas 199 gal — 75 gal No HTP Phoenix 50-Gallon 0.89 Natural Gas, Propane 187 gal — 53 gal No HTP Phoenix 80-Gallon (PH100-119) 0.9 Natural Gas, Propane 178 gal — 112 gal No HTP Phoenix 80-Gallon (PH100-80) 0.93 Natural Gas, Propane 132 gal — 75 gal No HTP Phoenix Light Duty 50-Gallon 0.9 Natural Gas, Propane 154 gal — 48 gal No HTP Phoenix Light Duty 65-Gallon 0.88 Natural Gas, Propane 157 gal — 58 gal No HTP Phoenix Light Duty 80-Gallon 0.87 Natural Gas, Propane 206 gal — 77 gal No Rheem Gas Storage 50-Gallon (PROP G50-100-CN HE EC3) 0.89 Natural Gas, Propane 167 gal — 50 gal No Rheem Gas Storage 50-Gallon (PROP G50-76-CN HE EC3) 0.89 Natural Gas, Propane 136 gal — 50 gal No Rheem Gas Storage 80-Gallon (PROPG75-100P RH HE EC3) 0.88 Propane 199 gal — 75 gal No Rheem Gas Storage 80-Gallon (PROPG75-100U RH HE EC3) 0.88 Natural Gas 199 gal — 75 gal No Rheem PROP G40-50-CN HE 40-Gallon 0.9 Natural Gas, Propane 88 gal — 40 gal No Rheem PROP G50-50-CN HE 50-Gallon 0.88 Natural Gas, Propane 95 gal — 50 gal No State GP6-75-TPDT 3 80-Gallon 0.86 Natural Gas, Propane 130 gal — 74 gal No A. O. Smith ACTH-199M-(N,P) 1 0.95 Natural Gas, Propane — 5.8 GPM — No A. O. Smith ATHR-160M 1 0.95 Natural Gas, Propane — 4.8 GPM — No A. O. Smith ATHR-180M 1 0.95 Natural Gas, Propane — 5.3 GPM — No A. O. Smith ATHR-199M 1 0.95 Natural Gas, Propane — 5.9 GPM — No A. O. Smith ATM-160M-N 1 0.95 Natural Gas — 4.8 GPM — No A. O. Smith ATM-160M-P 1-1 0.95 Propane — 4.8 GPM — No A. O. Smith ATM-180M-N 1 0.95 Natural Gas — 5.4 GPM — No A. O. Smith ATM-180M-P 1-1 0.95 Propane — 5.4 GPM — No A. O. Smith ATM-199M-N 1 0.95 Natural Gas — 6 GPM — No A. O. Smith ATM-199M-P 1-1 0.95 Propane — 6 GPM — No A. O. Smith GT15TM-160M-N 1 0.95 Natural Gas — 4.8 GPM — No A. O. Smith GT15TM-180M-N 1 0.95 Natural Gas — 5.4 GPM — No A. O. Smith GT15TM-199M-N 1 0.95 Natural Gas — 6 GPM — No A. O. Smith T-H3-OS-N 1 (ACT-199O-P 1-1) 0.95 Propane — 5.8 GPM — No A. O. Smith T-H3J-OS-N (ATO-240H 1-1) 0.95 Propane — 4.7 GPM — No A. O. Smith T-H3J-OS-N (ATO-240H 1) 0.95 Natural Gas — 4.7 GPM — No A. O. Smith T-H3S-DV-N (ATI-340H 1-1) 0.95 Propane — 5.4 GPM — No A. O. Smith T-H3S-DV-N (ATI-340H 1) 0.95 Natural Gas — 5.4 GPM — No Bosch Greentherm (T9800 SE 160) 0.95 Natural Gas, Propane — 4.6 GPM — No Bosch Greentherm (T9800 SE 199) 0.95 Natural Gas, Propane — 5.4 GPM — No Bradford White RTGR150N1 0.98 Natural Gas — 4.3 GPM — No Bradford White RTGR150X1 0.98 Propane — 4.3 GPM — No Bradford White RTGR199N1 0.96 Natural Gas — 5.8 GPM — No Bradford White RTGR199X1 0.96 Propane — 5.8 GPM — No Friedrich FDTGH-S10I 0.96 Natural Gas, Propane — 5.2 GPM — No Friedrich FDTGH-S11I 0.96 Natural Gas, Propane — 5.8 GPM — No Friedrich FDTGH-S84I 0.96 Natural Gas, Propane — 4.6 GPM — No Glow Brand T180 0.95 Natural Gas, Propane — — — No Kepler JSG48-29PCH/180K 0.96 Natural Gas — 5.2 GPM — No Kepler JSG52-32PCH/199KNP 0.96 Natural Gas — 5.7 GPM — No Kiturami KTGWH-180CWS1 0.95 Natural Gas, Propane — 5.2 GPM — No Kiturami KTGWH-199CWP1 0.95 Natural Gas, Propane — 5.8 GPM — No Midea JSG40-24PCH-LP 0.95 Propane — 4.4 GPM — No Midea JSG40-24PCH-NG 0.95 Natural Gas — 4.4 GPM — No Midea JSG48-29PCH-LP 0.95 Propane — 5.2 GPM — No Midea JSG48-29PCH-NG 0.95 Natural Gas — 5.2 GPM — No Midea JSG52-32PCH-LP 0.95 Propane — 5.7 GPM — No Midea JSG52-32PCH-NG 0.95 Natural Gas — 5.7 GPM — No Midea MGWH150IXNN 0.95 Natural Gas — 4.4 GPM — No Midea MGWH150IXPN 0.95 Propane — 4.4 GPM — No Midea MGWH180IXNN 0.95 Natural Gas — 5.2 GPM — No Midea MGWH180IXPN 0.95 Propane — 5.2 GPM — No Navien NPE-180A2 0.95 Natural Gas, Propane — 4.3 GPM — No Navien NPE-180S2 0.96 Natural Gas, Propane — 4.4 GPM — No Navien NPE-210A2 0.95 Natural Gas, Propane — 5 GPM — No Navien NPE-210S2 0.96 Natural Gas, Propane — 5.3 GPM — No Navien NPE-240A2 0.95 Natural Gas, Propane — 5.6 GPM — No Navien NPE-240S2 0.96 Natural Gas, Propane — 5.8 GPM — No Noritz EZ111DV (GQ-C3259WX-FF US) 0.96 Natural Gas, Propane — 5.8 GPM — No Noritz EZ111DV (GQ-C3260WX-FF US) 0.96 Natural Gas, Propane — 5.6 GPM — No Noritz EZ111DV (GQ-C3261WX-FF-1 US) 0.98 Natural Gas, Propane — 5.5 GPM — No Noritz EZ71DV (GQ-C2661WX-FF-1 US) 0.98 Natural Gas, Propane — 4.7 GPM — No Noritz EZ98DV (GQ-C2859WX-FF US) 0.96 Natural Gas, Propane — 5.3 GPM — No Noritz EZ98DV (GQ-C2860WX-FF US) 0.96 Natural Gas, Propane — 5.6 GPM — No Noritz EZ98DV (GQ-C2861WX-FF-1 US) 0.98 Natural Gas, Propane — 5.3 GPM — No Noritz NCC199CDV (GQ-C3260WZ-FF US) 0.96 Natural Gas, Propane — 5.6 GPM — No Noritz NRCR92DV (GQ-C2660WXQ-FF US) 0.95 Natural Gas, Propane — 4.9 GPM — No Noritz NRCR92DV (GQ-C2661WXQ-FF-1 US) 0.98 Natural Gas, Propane — 4.7 GPM — No Rheem ECOHS160IN 0.96 Natural Gas — 4.6 GPM — No Rheem ECOHS160IP 0.96 Propane — 4.6 GPM — No Rheem ECOHS180IN 0.96 Natural Gas — 5.2 GPM — No Rheem ECOHS180IP 0.96 Propane — 5.2 GPM — No Rheem ECOHS200IN 0.96 Natural Gas — 5.8 GPM — No Rheem ECOHS200IP 0.96 Propane — 5.8 GPM — No Rinnai CX160I REU-NB2530FFC-US 0.97 Natural Gas, Propane — 4.6 GPM — No Rinnai CX199I REU-NB3237FFC-US 0.98 Natural Gas, Propane — 5.8 GPM — No Rinnai RX130I REU-NB2024FF-US 0.97 Natural Gas, Propane — 3.8 GPM — No Rinnai RX180I REU-NB2934FF-US 0.98 Natural Gas, Propane — 5.3 GPM — No Takagi T-H3-OS-N 1 0.95 Natural Gas — 5.8 GPM — No Takagi T-H3-OS-N 1 (TK-540X3-NEH 1) 0.95 Natural Gas — 5.8 GPM — No Takagi T-H3-OS-N 1 (TK-540X3-PEH 1-1) 0.95 Propane — 5.8 GPM — No Vesta VRP PLUS-150 0.95 Natural Gas, Propane — 4.7 GPM — No Vesta VRP PLUS-150 (VTP-150) 0.96 Natural Gas, Propane — 4.7 GPM — No Vesta VRP PLUS-199 0.96 Natural Gas, Propane — 6 GPM — No Vesta VRP-150 0.95 Natural Gas, Propane — 4.3 GPM — No Vesta VRS PLUS-150 0.96 Natural Gas, Propane — 4.6 GPM — No Vesta VRS PLUS-199 0.96 Natural Gas, Propane — 5.9 GPM — No Vesta VRS PLUS-199 (VTS-199) 0.96 Natural Gas, Propane — 5.9 GPM — No Vesta VX 9 0.96 Natural Gas, Propane — 6 GPM — No A. O. Smith Heat Pump 40-Gallon (CAHP-40 2) 3.6 Electric 55 gal — 36 gal Yes A. O. Smith Heat Pump 50-Gallon (CAHP-50 2) 3.68 Electric 65 gal — 46 gal Yes A. O. Smith Heat Pump 50-Gallon (FPTU-50 1) 3.35 Electric 66 gal — 46 gal No A. O. Smith Heat Pump 50-Gallon (HP1050H45DV 1) 3.45 Electric 66 gal — 46 gal No A. O. Smith Heat Pump 50-Gallon (HPS10-50H45DV 2) 3.8 Electric 65 gal — 46 gal Yes A. O. Smith Heat Pump 50-Gallon (HPTV-50 2) 3 Electric 52 gal — 46 gal Yes A. O. Smith Heat Pump 65-Gallon (CAHP-66 2) 3.84 Electric 83 gal — 68 gal Yes A. O. Smith Heat Pump 65-Gallon (FPTU-66 1) 3.42 Electric 79 gal — 67 gal No A. O. Smith Heat Pump 65-Gallon (HPS10-66H45DV 2) 3.7 Electric 82 gal — 67 gal Yes A. O. Smith Heat Pump 65-Gallon (HPTU-66CTA 1) 3.45 Electric 79 gal — 67 gal No A. O. Smith Heat Pump 65-Gallon (HPTV-66 2) 3.2 Electric 76 gal — 68 gal Yes A. O. Smith Heat Pump 80-Gallon (FPTU-80 1) 3.45 Electric 84 gal — 82 gal No A. O. Smith Heat Pump 80-Gallon (HP1080H45DV 1) 3.45 Electric 86 gal — 82 gal No A. O. Smith Heat Pump 80-Gallon (HPA10-80H45DV 2) 3.88 Electric 95 gal — 81 gal Yes A. O. Smith Heat Pump 80-Gallon (HPS10-80H45DV 2) 3.88 Electric 95 gal — 82 gal Yes A. O. Smith Heat Pump 80-Gallon (HPTV-80 2) 3 Electric 93 gal — 82 gal Yes A. O. Smith Split System Heat Pump 40-Gallon (HPACO-45 1-+AXST-50T 1) 3.52 Electric 67 gal — 45 gal Yes A. O. Smith Split System Heat Pump 50-Gallon (HPACO-45 1-+AXST-50LBTTP 1) 3.55 Electric 72 gal — 48 gal Yes A. O. Smith Split System Heat Pump 50-Gallon (HPACO-45 1-+AXST-50S 1) 3.52 Electric 70 gal — 46 gal Yes A. O. Smith Split System Heat Pump 65-Gallon (HPACO-45 1-+AXST-66 1) 3.7 Electric 82 gal — 60 gal Yes A. O. Smith Split System Heat Pump 80-Gallon (HPACO-45 1-+AXST-80 1) 3.8 Electric 95 gal — 73 gal Yes AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-40) 3.58 Electric 66 gal — 37 gal Yes AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) 3.75 Electric 68 gal — 45 gal Yes AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 65-Gallon 3.85 Electric 78 gal — 62 gal Yes AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 80-Gallon 4.01 Electric 87 gal — 73 gal Yes Arctic-HP-Hot Water-KA06-50 40-Gallon 3.88 Electric 65 gal — 44.5 gal No Arctic-HP-Hot Water-KA06-80 80-Gallon 4.14 Electric 81 gal — 71 gal No Ariston Heat Pump Water Heater 40-Gallon (ARIHPWH-40-T) 3.55 Electric 65 gal — 37 gal Yes Ariston Heat Pump Water Heater 40-Gallon (ARIHPWH-50-T) 3.83 Electric 69 gal — 45 gal Yes Ariston Heat Pump Water Heater 65-Gallon (ARIHPWH-65-T) 4.05 Electric 77 gal — 61 gal Yes Ariston Heat Pump Water Heater 80-Gallon (ARIHPWH-80-T) 4.1 Electric 88 gal — 74 gal Yes Bosch heat pump water heater 65-Gallon 3.9 Electric 80 gal — 60 gal Yes Bosch Water heater 50-Gallon 3.75 Electric 69 gal — 47 gal Yes Bosch Water heater 80-Gallon 4 Electric 91 gal — 74 gal Yes Bradford White RE2H50S 40-Gallon 3.44 Electric 65 gal — 45 gal No Bradford White RE2H65T 65-Gallon 3.64 Electric 79 gal — 64 gal No Bradford White RE2H80T 80-Gallon 3.59 Electric 88 gal — 75 gal No Bradford White RE2HP50-1NCTT 40-Gallon 3.89 Electric 65 gal — 45 gal No Bradford White RE2HP65-1NCTT 65-Gallon 4.2 Electric 82 gal — 65 gal No Bradford White RE2HP80-1NCTT 80-Gallon 4 Electric 88 gal — 75 gal No Cala Systems, Inc RDH6524M1 65-Gallon 3.61 Electric 79 gal — 65 gal No Carnot Labs, Inc Reservoir 50-Gallon 3.53 Electric 75 gal — 47 gal No Eco-Logical OMNI-50HP1-1A 50-Gallon 3.3 Electric 50 gal — 46 gal Yes Eco-Logical OMNI-50HP2-1A 50-Gallon 4.23 Electric 57 gal — 46 gal Yes Eco-Logical OMNI-80HP2-1A 80-Gallon 4.11 Electric 82 gal — 74 gal Yes Friedrich Heat Pump 40-Gallon (PROH40 T0 FD120-M) 2.8 Electric 45 gal — 36 gal No Friedrich Heat Pump 40-Gallon (PROH40 T2 FD310BM) 3.5 Electric 60 gal — 36 gal No Friedrich Heat Pump 40-Gallon (PROH40 T2 FD350BM) 3.5 Electric 60 gal — 36 gal No Friedrich Heat Pump 40-Gallon (PROH40 T2 FD400-30) 3.83 Electric 60 gal — 36 gal No Friedrich Heat Pump 40-Gallon (PROH50 T2 FD310BM) 3.5 Electric 67 gal — 45 gal No Friedrich Heat Pump 40-Gallon (PROH50 T2 FD350BM) 3.5 Electric 67 gal — 45 gal No Friedrich Heat Pump 40-Gallon (PROH50 T2 FD400-15) 3.75 Electric 52 gal — 45 gal No Friedrich Heat Pump 40-Gallon (PROH50 T2 FD400-30) 3.88 Electric 67 gal — 45 gal No Friedrich Heat Pump 50-Gallon (PROH50 T0 FD120-M) 3 Electric 55 gal — 46 gal No Friedrich Heat Pump 50-Gallon (PROH50 T0 FD120) 3 Electric 51 gal — 46 gal No Friedrich Heat Pump 65-Gallon (PROH65 T0 FD120-M) 3.12 Electric 63 gal — 59 gal No Friedrich Heat Pump 65-Gallon (PROH65 T2 FD310BM) 3.5 Electric 75 gal — 59 gal No Friedrich Heat Pump 65-Gallon (PROH65 T2 FD350BM) 3.5 Electric 75 gal — 59 gal No Friedrich Heat Pump 65-Gallon (PROH65 T2 FD400-15) 3.55 Electric 54 gal — 59 gal No Friedrich Heat Pump 65-Gallon (PROH65 T2 FD400-30) 4.05 Electric 75 gal — 59 gal No Friedrich Heat Pump 80-Gallon (PROH80 T0 FD120-M) 3.46 Electric 84 gal — 72 gal No Friedrich Heat Pump 80-Gallon (PROH80 T2 FD310BM) 3.5 Electric 87 gal — 72 gal No Friedrich Heat Pump 80-Gallon (PROH80 T2 FD350BM) 3.5 Electric 87 gal — 72 gal No Friedrich Heat Pump 80-Gallon (PROH80 T2 FD400-15) 3.7 Electric 67 gal — 72 gal No GE Profile Heat Pump 40-Gallon (PF40S10FPY01) 3.1 Electric 46 gal — 40 gal Yes GE Profile Heat Pump 40-Gallon (PH40S10BPY01) 4.2 Electric 64 gal — 40 gal Yes GE Profile Heat Pump 50-Gallon (PF50S10FPY01) 3.2 Electric 59 gal — 50 gal Yes GE Profile Heat Pump 50-Gallon (PH50S10BNY01) 4.5 Electric 75 gal — 50 gal Yes GE Profile Heat Pump 50-Gallon (PH50S10BPY01) 4.3 Electric 77 gal — 50 gal Yes GE Profile Heat Pump 65-Gallon (PF65S10FPY01) 3.4 Electric 77 gal — 65 gal Yes GE Profile Heat Pump 65-Gallon (PH65S10BNY01) 4.3 Electric 86 gal — 65 gal Yes GE Profile Heat Pump 65-Gallon (PH65S10BPY01) 4.3 Electric 87 gal — 65 gal Yes GE Profile Heat Pump 80-Gallon (PF80S10FPY01) 3.5 Electric 94 gal — 80 gal Yes GE Profile Heat Pump 80-Gallon (PH80S10BNY01) 4.5 Electric 101 gal — 80 gal Yes GE Profile Heat Pump 80-Gallon (PH80S10BPY01) 4.4 Electric 101 gal — 80 gal Yes GREE GRS-3.0Pd/TD50GANhA-D 50-Gallon 4.02 Electric 80 gal — 55 gal No GREE GRS-3.0Pd/TD70GANhA-D 65-Gallon 4.03 Electric 100 gal — 68 gal No LG APHWC501M 50-Gallon 3.93 Electric 76 gal — 53 gal No LG APHWC502D 50-Gallon 4.2 Electric 81 gal — 53 gal No LG APHWC801M 80-Gallon 3.9 Electric 94 gal — 72 gal No LG APHWC802D 80-Gallon 4.1 Electric 91 gal — 72 gal No LG R5TT20F-SA0 50-Gallon (R5TT20F-SA0 (208V)) 3.75 Electric 66 gal — 52 gal No LG R5TT20F-SA0 50-Gallon (R5TT20F-SA0 (240V)) 3.75 Electric 66 gal — 52 gal No Midea Water Heater 50-Gallon (CAN3-RSJ-15/190RDVN3-L4) 3.75 Electric 71 gal — 46 gal Yes Midea Water Heater 65-Gallon (CAN3-RSJ-15/250RDVN3-L4) 4 Electric 80 gal — 61 gal Yes Midea Water Heater 80-Gallon (CAN3-RSJ-15/300RDVN3-L4) 4 Electric 91 gal — 75 gal Yes Navien NWP500 40-Gallon 3.85 Electric 65 gal — 44 gal No Navien NWP500 65-Gallon 4.03 Electric 80 gal — 61 gal No Navien NWP500 80-Gallon 4.05 Electric 85 gal — 74 gal No Noritz ME120HPT-CN 80-Gallon 3.38 Electric 105 gal — 109 gal No Noritz ME50HPT-CN 50-Gallon 3.46 Electric 58 gal — 47 gal No Noritz ME65HPT-CN 65-Gallon 3.34 Electric 70 gal — 57 gal No Noritz ME80HPT-CN 80-Gallon 3.48 Electric 86 gal — 74 gal No Reclaim Energy MP120F-RC 80-Gallon 3.75 Electric 121 gal — 119 gal No Reclaim Energy MP80F-RC 80-Gallon 3.8 Electric 98 gal — 80 gal No Rheem Heat Pump 40-Gallon (PRO H40 T2 RH310BM) 3.5 Electric 60 gal — 36 gal No Rheem Heat Pump 40-Gallon (PROPH40 T0 RH120-M) 2.8 Electric 45 gal — 36 gal No Rheem Heat Pump 40-Gallon (PROPH40 T2 RH375-30) 3.83 Electric 60 gal — 36 gal No Rheem Heat Pump 40-Gallon (PROPH50 T2 RH375-15) 3.75 Electric 52 gal — 45 gal No Rheem Heat Pump 40-Gallon (PROPH50 T2 RH375-30) 3.88 Electric 67 gal — 45 gal No Rheem Heat Pump 50-Gallon (PROPH50 T0 RH120-M) 3 Electric 55 gal — 46 gal No Rheem Heat Pump 50-Gallon (PROPH50 T0 RH120) 3 Electric 51 gal — 46 gal No Rheem Heat Pump 65-Gallon (PROPH65 T0 RH120-M) 3.12 Electric 63 gal — 59 gal No Rheem Heat Pump 65-Gallon (PROPH65 T2 RH375-15) 3.55 Electric 54 gal — 59 gal No Rheem Heat Pump 65-Gallon (PROPH65 T2 RH375-30) 4.05 Electric 75 gal — 59 gal No Rheem Heat Pump 80-Gallon (PROPH80 T0 RH120-M) 3.46 Electric 84 gal — 72 gal No Rheem Heat Pump 80-Gallon (PROPH80 T2 RH375-15) 3.7 Electric 67 gal — 72 gal No Rheem Heat Pump 80-Gallon (PROPH80 T2 RH375-30) 4.07 Electric 87 gal — 72 gal No Rheem Heat Pump 80-Gallon (PROPH80 T2 RH400-30) 4.07 Electric 87 gal — 72 gal No Richmond Heat Pump 40-Gallon (10E40-HP530) 3.83 Electric 60 gal — 36 gal No Richmond Heat Pump 40-Gallon (10E40-HP5S30) 3.83 Electric 60 gal — 36 gal No Rinnai REHP50 50-Gallon 3.75 Electric 73 gal — 46 gal No Rinnai REHP80 80-Gallon 4 Electric 91 gal — 75 gal No Ruud Heat Pump 65-Gallon (PROUH65 T0 RU120-M) 3.33 Electric 63 gal — 59 gal No SANCO2 40-Gallon (GS5-45HPC-D HP + ECO-43SSAQB) 3.7 Electric 73 gal — 43 gal No SANCO2 80-Gallon (GS5-45HPC-D HP + ECO-119GLBK) 3.72 Electric 134 gal — 119 gal No SANCO2 80-Gallon (GS5-45HPC-D HP + ECO-83SSAQB) 3.8 Electric 121 gal — 83 gal No Smart Solar SSG2-ES 120 80-Gallon 2.85 Electric 83 gal — 120 gal No Smart Solar SSG2-ES 65 65-Gallon 2.52 Electric 46 gal — 65 gal No Smart Solar SSG2-ES 80 80-Gallon 2.71 Electric 55 gal — 80 gal No VAUGHN THERMAL MP120FHPT 80-Gallon 3.5 Electric 115 gal — 119 gal No VAUGHN THERMAL MP55FHPT 50-Gallon 3.3 Electric 62 gal — 55 gal No VAUGHN THERMAL MP80FHPT 80-Gallon 3.5 Electric 86 gal — 80 gal No