ZERO heat pumps
90 heat pumps listed under ZERO.
| Model | SEER2 | Costs to run |
|---|---|---|
| ZMSB-09HV-USHHC-O | 26.40 | $15.81 per million BTU of heat |
| ZMSB-09HV-USHHC | 26.40 | $15.81 per million BTU of heat |
| ZMSB-09HV-USHHCR2-O | 26.00 | $14.67 per million BTU of heat |
| ZMSB-12HVT-USHHCR2 | 25.00 | $17.47 per million BTU of heat |
| ZMSB-09HVT-USHHCR2 | 25.00 | $17.47 per million BTU of heat |
| Z2SOV-18HDTA-US-O | 25.00 | $18.34 per million BTU of heat |
| ZMSB-09HV-USHHR2-O | 24.60 (21.60–24.60 across 3 configurations) | $14.11 per million BTU of heat |
| ZMSB-18HV-USHHR2-O | 24.00 (20.70–24.00 across 3 configurations) | $16.09 per million BTU of heat |
| ZMSB-18HV-USHH | 24.00 | $17.47 per million BTU of heat |
| ZMSB-18HVT-USR1-S24-O | 24.00 | $18.34 per million BTU of heat |
| ZMSB-12HV-USHHCR2-O | 24.00 | $17.47 per million BTU of heat |
| ZMSB-12HVT-USR1-S24-O | 24.00 | $18.34 per million BTU of heat |
| ZMSB-12HVT-USHHR2 | 24.00 | $18.34 per million BTU of heat |
| ZMSB-12HVT110-USR1-S24-O | 24.00 | $18.34 per million BTU of heat |
| ZMSB-09HV-USHH | 24.00 | $15.81 per million BTU of heat |
| Z5SOV-42HDTA-US-O | 24.00 | $18.34 per million BTU of heat |
| Z3SOV-27HDTB-US | 24.00 (21.00–24.00 across 2 configurations) | $17.47 per million BTU of heat |
| Z2SOV-18HDTB-US | 24.00 (20.00–24.00 across 2 configurations) | $17.47 per million BTU of heat |
| ZMSB-24HV-USHHR2-O | 23.50 (22.00–23.50 across 3 configurations) | $17.47 per million BTU of heat |
| ZMSB-18HVT-USHHCR2 | 23.50 | $18.34 per million BTU of heat |
| Z3SOV-27HDM-US | 23.50 (21.00–23.50 across 3 configurations) | $19.93 per million BTU of heat |
| ZMSB-12HV110-USHHR2-O | 23.20 | $17.63 per million BTU of heat |
| ZMSB-12HV-USHHR2-O | 23.10 (21.10–23.10 across 3 configurations) | $15.95 per million BTU of heat |
| ZMSB-12HV-USHHC-O | 23.10 | $17.47 per million BTU of heat |
| ZMSB-12HV-USHHC | 23.10 | $17.47 per million BTU of heat |
| ZMSB-12HV-USHH | 23.10 | $16.98 per million BTU of heat |
| Z5SOV-36HDMB-US | 23.10 (20.00–23.10 across 3 configurations) | $18.34 per million BTU of heat |
| Z4SOV-36HDMB-US | 23.10 (20.00–23.10 across 3 configurations) | $18.34 per million BTU of heat |
| ZMSB-24HVT-USR1-S23-O | 23.00 | $18.34 per million BTU of heat |
| ZMSB-24HVT-USHHR2 | 23.00 | $19.31 per million BTU of heat |
| ZMSB-18HVT-USHHR2 | 23.00 | $18.34 per million BTU of heat |
| ZMSB-12HVT110-USHHR2 | 23.00 | $18.34 per million BTU of heat |
| ZMSB-09HVT-USR1-S23-O | 23.00 | $19.31 per million BTU of heat |
| ZMSB-09HVT-USHHR2 | 23.00 | $19.31 per million BTU of heat |
| ZMSB-09HVT110-USR1-S23-O | 23.00 | $18.34 per million BTU of heat |
| ZMSB-09HVT110-USHHR2 | 23.00 | $19.31 per million BTU of heat |
| Z4SOV-36HDTA-US-O | 23.00 | $18.34 per million BTU of heat |
| Z4SOV-27HDMB-US | 23.00 (21.00–23.00 across 3 configurations) | $19.31 per million BTU of heat |
| Z4SOV-18HDMB-US | 23.00 (20.00–23.00 across 3 configurations) | $18.34 per million BTU of heat |
| Z3SOV-18HDMB-US | 23.00 (20.00–23.00 across 3 configurations) | $18.34 per million BTU of heat |
| ZMSB-24HVT-USHHCR2 | 22.50 | $18.34 per million BTU of heat |
| Z4SOV-36HDTB-US | 22.50 (20.50–22.50 across 2 configurations) | $17.47 per million BTU of heat |
| ZMSB-30HV-USR2-O | 22.30 | $20.38 per million BTU of heat |
| ZMSB-24HV-USHHCR2-O | 22.30 | $13.79 per million BTU of heat |
| ZMSB-24HV-USHHC-O | 22.30 | $17.81 per million BTU of heat |
| ZMSB-24HV-USHHC | 22.30 | $17.81 per million BTU of heat |
| ZMSB-18HV-USHHC-O | 22.00 | $17.30 per million BTU of heat |
| ZMSB-18HV-USHHC | 22.00 | $17.30 per million BTU of heat |
| Z5SOV-42HDTB-US | 22.00 (19.50–22.00 across 2 configurations) | $18.34 per million BTU of heat |
| Z3SOV-27HDTA-US-O | 22.00 | $18.34 per million BTU of heat |
| ZMSB-18HV-USHHCR2-O | 21.70 | $16.98 per million BTU of heat |
| ZMSB-09HVD-US | 21.70 | $19.51 per million BTU of heat |
| ZMSB-09HV-USR2-O | 21.60 | $19.51 per million BTU of heat |
| ZMSB-09HVD110-US | 21.50 | $20.15 per million BTU of heat |
| ZMSB-09HV110-USR2-O | 21.50 | $20.38 per million BTU of heat |
| Z4SOV-36HDMB-USHH | 21.50 (19.40–21.50 across 3 configurations) | $16.23 per million BTU of heat |
| Z4SOV-53HDMB-USHH | 21.40 (20.00–21.40 across 3 configurations) | $17.14 per million BTU of heat |
| Z6SOV-48HDMB-US | 21.30 (20.40–21.30 across 3 configurations) | $17.30 per million BTU of heat |
| Z4SOV-48HDMB-US | 21.30 (20.40–21.30 across 3 configurations) | $17.30 per million BTU of heat |
| ZSOV-24HDM-US | 21.20 (18.00–21.20 across 3 configurations) | $16.38 per million BTU of heat |
| Z5SOV-48HDM-US | 21.20 (20.90–21.20 across 3 configurations) | $18.34 per million BTU of heat |
| Z4SOV-48HDMB-USHH | 21.20 (20.40–21.20 across 3 configurations) | $16.67 per million BTU of heat |
| ZMSB-30HVD-US | 21.00 | $22.37 per million BTU of heat |
| ZMSB-24HV-USHH | 21.00 | $21.58 per million BTU of heat |
| Z4SOV-27HDMB-USHH | 21.00 (19.00–21.00 across 3 configurations) | $18.34 per million BTU of heat |
| Z4SOV-18HDMB-USHH | 21.00 (20.00–21.00 across 3 configurations) | $18.34 per million BTU of heat |
| Z3SOV-18HDM-US | 21.00 (19.00–21.00 across 3 configurations) | $17.98 per million BTU of heat |
| ZMSB-18HV-USR2-O | 20.20 | $20.15 per million BTU of heat |
| ZMSB-33HV-USHHCR2-O | 20.00 | $17.47 per million BTU of heat |
| Z4SOV-36HDM-US | 20.00 | $19.93 per million BTU of heat |
| ZMSB-18HV-US-O | 19.50 | $21.08 per million BTU of heat |
| ZMSB-18HVD-US | 19.50 | $21.08 per million BTU of heat |
| ZSOVA-18HDMB-USHH | 19.00 | $18.91 per million BTU of heat |
| ZOV-36HDTB | 19.00 | $20.38 per million BTU of heat |
| ZSOV-48HDM-US | 18.90 | $18.34 per million BTU of heat |
| ZSOVA-18HDMB-US | 18.80 | $20.15 per million BTU of heat |
| ZMSB-24HV-USR2-O | 18.50 | $20.38 per million BTU of heat |
| ZSOVA-24HDMB-USHH | 18.30 | $18.34 per million BTU of heat |
| ZSOVA-24HDMB-US | 18.10 | $18.91 per million BTU of heat |
| ZSOU-24HDG-HYPER | 18.00 | $22.64 per million BTU of heat |
| ZOV-48HDTB | 18.00 | $21.58 per million BTU of heat |
| ZOV-24HDTB | 18.00 | $20.38 per million BTU of heat |
| ZSOVA-36HDMB-USHH | 17.40 | $17.81 per million BTU of heat |
| ZOV-60HDTB | 17.00 | $22.37 per million BTU of heat |
| ZSOVA-30HDMB-USHH | 16.80 | $18.34 per million BTU of heat |
| ZSOVA-48HDMB-USHH | 16.50 | $19.31 per million BTU of heat |
| ZSOVA-36HDMB-US | 16.10 | $21.08 per million BTU of heat |
| ZSOVA-60HDMB-USHH | 16.00 | $20.38 per million BTU of heat |
| ZSOVA-48HDMB-US | 16.00 | $21.58 per million BTU of heat |
| ZSOVA-60HDMB-US | 15.20 | $21.83 per million BTU of heat |
Computed from electricity at 18.34¢/kWh, the EIA average for US in June 2026. A kilowatt-hour is 3412 BTU. This is a rate times a rating, not a prediction of your bill.
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Source: ENERGY STAR certified product data, published by the U.S. EPA and used with attribution. This is a register of certified models, not of every model on the market. ENERGY STAR is a registered mark of the U.S. EPA; this site is not affiliated with or endorsed by EPA or DOE.