Mainline heat pumps
82 heat pumps listed under Mainline.
| Model | SEER2 | Costs to run |
|---|---|---|
| ML06HP230CALH-O | 35.00 | $11.76 per million BTU of heat |
| ML09HP230CALH-O | 33.30 | $12.56 per million BTU of heat |
| ML12HP230CALH-O | 29.40 | $14.44 per million BTU of heat |
| ML09HP230NEXH-O | 27.20 (20.50–27.20 across 12 configurations) | $13.29 per million BTU of heat |
| ML09HP230NEX-O | 26.00 (19.50–26.00 across 12 configurations) | $13.19 per million BTU of heat |
| ML18HP230CALH-O | 25.60 | $11.32 per million BTU of heat |
| ML06HP230NEXH-O | 25.30 (21.40–25.30 across 6 configurations) | $12.56 per million BTU of heat |
| ML18HP230MUL-O | 25.10 (20.00–25.10 across 9 configurations) | $18.34 per million BTU of heat |
| ML27HP230MUL-O | 25.00 (21.00–25.00 across 9 configurations) | $19.31 per million BTU of heat |
| ML18HP230MULH-O | 25.00 (20.00–25.00 across 9 configurations) | $17.63 per million BTU of heat |
| ML12HP230NEXH-O | 25.00 (20.00–25.00 across 12 configurations) | $15.81 per million BTU of heat |
| ML12HP230NEX-O | 24.60 (19.00–24.60 across 12 configurations) | $15.95 per million BTU of heat |
| ML48HP230MUL-O | 24.00 (20.40–24.00 across 9 configurations) | $17.30 per million BTU of heat |
| ML36HP230MUL-O | 24.00 (20.00–24.00 across 9 configurations) | $18.34 per million BTU of heat |
| ML18HP230NEX-O | 24.00 (18.50–24.00 across 16 configurations) | $13.59 per million BTU of heat |
| ML24HP230NEX-O | 23.50 (19.00–23.50 across 10 configurations) | $16.52 per million BTU of heat |
| ML12HP115NEX-O | 23.20 | $17.63 per million BTU of heat |
| ML48HP230MULH-O | 23.00 (20.40–23.00 across 9 configurations) | $16.67 per million BTU of heat |
| ML36HP230MULH-O | 23.00 (19.40–23.00 across 9 configurations) | $16.23 per million BTU of heat |
| ML27HP230MULH-O | 23.00 (19.00–23.00 across 9 configurations) | $17.47 per million BTU of heat |
| ML15HP230NEXH-O | 22.70 | $17.98 per million BTU of heat |
| ML24HP230NEXH-O | 22.30 (18.70–22.30 across 10 configurations) | $13.79 per million BTU of heat |
| ML55HP230MULH-O | 22.20 (20.00–22.20 across 9 configurations) | $17.14 per million BTU of heat |
| ML18HP230NEXH-O | 21.70 (18.00–21.70 across 16 configurations) | $14.91 per million BTU of heat |
| ML09HP115GEN-O | 21.50 | $20.38 per million BTU of heat |
| ML12HP230GEN-O | 21.30 | $20.15 per million BTU of heat |
| ML36HP230LCMH-O | 21.20 (17.20–21.20 across 5 configurations) | $16.52 per million BTU of heat |
| ML09HP230GEN-O | 21.20 | $20.15 per million BTU of heat |
| MLP19AY24AJVC | 21.00 (20.00–21.00 across 27 configurations) | $19.31 per million BTU of heat |
| ML24HP230CALH-O | 21.00 | $13.59 per million BTU of heat |
| MLP19AY36AJVC | 20.00 | $19.31 per million BTU of heat |
| ML36HP230LCM-O | 20.00 | $17.81 per million BTU of heat |
| ML33HP230NEXH-O | 20.00 (16.50–20.00 across 4 configurations) | $17.47 per million BTU of heat |
| ML30HP230GEN-O | 20.00 (17.00–20.00 across 3 configurations) | $19.93 per million BTU of heat |
| ML48HP230LCM-O | 19.80 (17.10–19.80 across 8 configurations) | $17.98 per million BTU of heat |
| ML33HP230CALH-O | 19.50 | $17.47 per million BTU of heat |
| ML18HP230LMNTH-O | 19.30 (16.10–19.30 across 18 configurations) | $16.98 per million BTU of heat |
| ML18HP230GEN-O | 19.20 | $19.10 per million BTU of heat |
| MLP19AY48AJVC | 19.00 (18.00–19.00 across 14 configurations) | $18.34 per million BTU of heat |
| ML09HP230WIN-O | 19.00 | $18.91 per million BTU of heat |
| ML18HP230LMNT-O | 18.80 (16.80–18.80 across 6 configurations) | $19.51 per million BTU of heat |
| ML24HP230GEN-O | 18.70 | $19.72 per million BTU of heat |
| ML30HP230LMNT-O | 18.60 | $21.08 per million BTU of heat |
| ML24HP230LMNTH-O | 18.60 (16.00–18.60 across 20 configurations) | $17.47 per million BTU of heat |
| ML48HP230LCMH-O | 18.50 (16.70–18.50 across 8 configurations) | $16.67 per million BTU of heat |
| ML24HP230LMNT-O | 18.10 (16.00–18.10 across 18 configurations) | $17.63 per million BTU of heat |
| ML60HP230LCMH-O | 18.00 (15.20–18.00 across 6 configurations) | $17.14 per million BTU of heat |
| ML36HP230LMNTH-O | 18.00 (15.20–18.00 across 22 configurations) | $17.81 per million BTU of heat |
| ML33HP230LMNTH-O | 17.70 (16.50–17.70 across 4 configurations) | $18.34 per million BTU of heat |
| ML60HP230LMNTH-O | 17.50 (15.20–17.50 across 10 configurations) | $19.31 per million BTU of heat |
| ML48HP230LMNTH-O | 17.50 (15.20–17.50 across 13 configurations) | $19.31 per million BTU of heat |
| ML30HP230LMNTH-O | 17.50 (15.30–17.50 across 21 configurations) | $16.98 per million BTU of heat |
| ML24HP230WIN-O | 17.00 | $21.58 per million BTU of heat |
| ML42HP230LMNTH-O | 16.70 | $19.31 per million BTU of heat |
| ML36HP230LMNT-O | 16.70 (15.40–16.70 across 6 configurations) | $19.72 per million BTU of heat |
| ML50HP230LMNTH-O | 16.30 | $20.38 per million BTU of heat |
| MPP15AY42AJ2N | 16.00 (15.20–16.00 across 53 configurations) | $22.64 per million BTU of heat |
| MLP15AY48AJ2N | 16.00 | $22.64 per million BTU of heat |
| MLP15AY42AJ2N | 16.00 | $22.64 per million BTU of heat |
| MPP15AZ60AJ2N | 16.00 | $22.64 per million BTU of heat |
| MLP15AZ60AJ2N | 16.00 (15.20–16.00 across 4 configurations) | $22.64 per million BTU of heat |
| MLP15AZ30AJ2N | 16.00 (15.20–16.00 across 10 configurations) | $22.64 per million BTU of heat |
| MLP15AZ24AJ2N | 16.00 (15.20–16.00 across 13 configurations) | $22.64 per million BTU of heat |
| MLP15AZ18AJ2N | 16.00 (15.20–16.00 across 12 configurations) | $22.64 per million BTU of heat |
| ML48HP230LMNT-O | 16.00 (15.20–16.00 across 7 configurations) | $20.38 per million BTU of heat |
| RHPXYC060AJT | 15.20 | $25.47 per million BTU of heat |
| RHPXYC048AJT | 15.20 | $25.47 per million BTU of heat |
| RHPXYC036AJT | 15.20 | $25.47 per million BTU of heat |
| RHPXYC024AJT | 15.20 | $25.47 per million BTU of heat |
| MPP15AY36AJ2N | 15.20 | $23.51 per million BTU of heat |
| MPP15AY18AJ2N | 15.20 | $22.64 per million BTU of heat |
| MLP15AY36AJ2N | 15.20 | $23.51 per million BTU of heat |
| MLP15AY18AJ2N | 15.20 | $22.64 per million BTU of heat |
| MPP15AZ48AJ2N | 15.20 | $22.64 per million BTU of heat |
| MPP15AZ42AJ2N | 15.20 | $22.64 per million BTU of heat |
| MPP15AZ36AJ2N | 15.20 | $23.51 per million BTU of heat |
| MPP15AZ24AJ2N | 15.20 | $22.64 per million BTU of heat |
| MPP15AZ18AJ2N | 15.20 | $22.64 per million BTU of heat |
| MLP15AZ48AJ2N | 15.20 | $22.64 per million BTU of heat |
| MLP15AZ42AJ2N | 15.20 | $22.64 per million BTU of heat |
| MLP15AZ36AJ2N | 15.20 | $22.64 per million BTU of heat |
| ML60HP230LMNT-O | 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.