Our take in 30 seconds
Best for: hot and mild climatesStrengths
- Heating efficiency (HSPF2 10.9) beats 90% of models
- Cooling efficiency up to SEER2 26.9, better than 97% of models
- Variable-speed compressor: quieter, steadier temperatures and better humidity control
- Also sold under 5 other badges, so you can compare more quotes for the same unit
Good to know
- Only 38% of its heat output remains at 5°F; plan on backup heat in hard freezes
- Uses R-410A, a refrigerant being phased down; future service may cost more
- Efficiency depends on the indoor unit: SEER2 ranges 21.3–26.9, so ask which pairing you're quoted
Running-cost calculator
Pre-filled with EIA prices · edit any fieldUses the base certified SEER2 (21.3) and HSPF2 (10.9). Assumes the unit is correctly sized. How we calculate.
Heating capacity as it gets colder
A heat pump's output falls as outdoor temperature drops. This is the certified heat output of the Mitsubishi Electric PUZ-A12NKA7*** at the three ENERGY STAR test temperatures (cooling capacity is 12,000 BTU/h for reference).
Retention at 17°F: 53% · at 5°F: 38%. Learn how to use these numbers in our cold-climate guide.
Estimated running cost in every state
Same unit, very different bills: from about $310 a year in Louisiana to $1,635 in Alaska, driven by local electricity prices and how much heating or cooling the climate needs. Click a column to sort.
| State | Price | Heating | Cooling | Total / yr |
|---|---|---|---|---|
| Louisiana | 12.87¢ | $165 | $145 | $310 |
| Florida | 14.99¢ | $124 | $203 | $326 |
| Arizona | 15.05¢ | $193 | $187 | $380 |
| Mississippi | 14.43¢ | $238 | $146 | $385 |
| Nevada | 12.72¢ | $280 | $129 | $409 |
| Texas | 15.91¢ | $263 | $179 | $442 |
| Tennessee | 13.42¢ | $345 | $98 | $443 |
| South Carolina | 15.76¢ | $318 | $142 | $460 |
| Arkansas | 14.37¢ | $343 | $121 | $464 |
| Georgia | 15.90¢ | $321 | $143 | $464 |
| North Carolina | 14.95¢ | $357 | $109 | $466 |
| Alabama | 16.33¢ | $330 | $147 | $477 |
| Washington | 14.63¢ | $456 | $29 | $485 |
| Kentucky | 13.80¢ | $405 | $86 | $491 |
| Oklahoma | 14.82¢ | $381 | $125 | $506 |
| Oregon | 15.92¢ | $467 | $40 | $508 |
| Utah | 13.31¢ | $464 | $67 | $532 |
| New Mexico | 16.51¢ | $454 | $93 | $547 |
| Idaho | 13.37¢ | $515 | $53 | $568 |
| Nebraska | 13.54¢ | $522 | $69 | $590 |
| Virginia | 17.64¢ | $486 | $109 | $595 |
| Missouri | 16.02¢ | $500 | $99 | $599 |
| Kansas | 15.47¢ | $511 | $96 | $607 |
| West Virginia | 16.31¢ | $539 | $74 | $612 |
| California | 29.75¢ | $491 | $168 | $659 |
| Delaware | 18.70¢ | $583 | $105 | $689 |
| Colorado | 17.17¢ | $630 | $68 | $698 |
| Wyoming | 14.43¢ | $662 | $41 | $703 |
| Indiana | 17.02¢ | $625 | $82 | $706 |
| Hawaii | 47.18¢ | $43 | $691 | $734 |
| North Dakota | 13.31¢ | $708 | $34 | $742 |
| South Dakota | 15.15¢ | $695 | $55 | $750 |
| Montana | 15.57¢ | $714 | $39 | $754 |
| Maryland | 21.40¢ | $668 | $121 | $788 |
| Iowa | 17.06¢ | $720 | $72 | $792 |
| Ohio | 19.38¢ | $711 | $87 | $799 |
| Illinois | 19.32¢ | $744 | $87 | $832 |
| Pennsylvania | 21.77¢ | $799 | $98 | $897 |
| Minnesota | 17.20¢ | $852 | $53 | $905 |
| District of Columbia | 25.98¢ | $763 | $161 | $924 |
| New Jersey | 24.61¢ | $813 | $125 | $938 |
| Wisconsin | 19.41¢ | $890 | $66 | $956 |
| Connecticut | 24.51¢ | $989 | $90 | $1,079 |
| Michigan | 22.99¢ | $1,012 | $78 | $1,090 |
| Vermont | 23.84¢ | $1,137 | $60 | $1,198 |
| Rhode Island | 28.18¢ | $1,138 | $95 | $1,233 |
| New York | 28.65¢ | $1,157 | $105 | $1,261 |
| New Hampshire | 27.64¢ | $1,268 | $78 | $1,346 |
| Massachusetts | 30.48¢ | $1,286 | $103 | $1,389 |
| Maine | 32.11¢ | $1,532 | $72 | $1,604 |
| Alaska | 29.41¢ | $1,619 | $17 | $1,635 |
Same equipment sold under other brands
These listings share the same certifying manufacturer (Mitsubishi Electric U.S. HVAC Division) and identical certified capacities and efficiency ratings, so they are almost certainly the same hardware with a different badge. If you get quotes for any of them, you are comparing installation price and warranty, not equipment. How rebadging works.
- Trane / Mitsubishi Electric PUZ-A12NKA7***
- Mitsubishi Electric PUZ-A12NKA8***
- Trane / Mitsubishi Electric PUZ-A12NKA8***
- Trane / Mitsubishi Electric TRUZA0121KA70**
Plus 1 more identical listing in the ENERGY STAR database.
Similar-size alternatives
Other mini-split / multi-split units within ±15% of this model's cooling capacity, sorted by efficiency. Cost difference is versus the Mitsubishi Electric PUZ-A12NKA7*** at U.S.-average rates.
| Model | Cooling BTU/h | SEER2 | HSPF2 | 5°F kept | Est. yearly cost | |
|---|---|---|---|---|---|---|
| Fujitsu AOUH12KTAP1 | 12,000 | 31.5–31.5 | 13.7 | 106% | $401 (−$245) | Compare |
| Bryant 37MAHAQ12AA3 | 12,000 | 20–25.5 | 11.6 | 96% | $433 (−$213) | Compare |
| Senville SENA-12HF-OG | 12,000 | 20–25.4 | 11.6 | 94% | $433 (−$213) | Compare |
| Payne 37MARAQ12AA3 | 12,000 | 19–25.5 | 11 | 74% | $443 (−$203) | Compare |
| Bryant 38MARBQ12AA3 | 12,000 | 19.5–25.5 | 10.7 | 97% | $462 (−$183) | Compare |
| Senville SENA/12HF/OQ | 12,000 | 19.5–25.5 | 10.7 | 97% | $462 (−$183) | Compare |
Full specifications
| Brand | Mitsubishi Electric |
| Outdoor model | PUZ-A12NKA7*** |
| Certified by | Mitsubishi Electric U.S. HVAC Division |
| Product type | Mini-split / multi-split |
| Compressor | Variable-speed (inverter) |
| Refrigerant | R-410A |
| Cooling capacity | 12,000 BTU/h |
| Nominal size | 1 ton |
| SEER2 (certified range) | 21.3 – 26.9 |
| EER2 (best) | 16.4 |
| HSPF2 (best) | 10.9 |
| Heating capacity @ 47°F | 20,000 BTU/h |
| Heating capacity @ 17°F | 10,600 BTU/h |
| Heating capacity @ 5°F | 7,600 BTU/h |
| COP @ 5°F | 2.07 |
| ENERGY STAR cold-climate | No |
| Certified indoor pairings | 3 |
| Latest certification | 2026-05 |
Source: ENERGY STAR Certified Heat Pumps (U.S. EPA), retrieved November 7, 2026. Capacities and HSPF2 are the highest values across certified pairings; confirm your exact system's AHRI reference number with your installer.
Frequently asked questions
How much does the Mitsubishi Electric PUZ-A12NKA7*** cost to run per year?
At the U.S. average residential electricity price of 18.16¢/kWh and typical national heating and cooling hours, we estimate about $646 per year ($533 heating, $113 cooling). It ranges from about $310 in Louisiana to $1,635 in Alaska.
Does the Mitsubishi Electric PUZ-A12NKA7*** work in cold weather?
It is not ENERGY STAR cold-climate certified. It delivers 7,600 BTU/h at 5°F (38% of its 47°F capacity), so in very cold climates expect more reliance on backup heat.
What size is the Mitsubishi Electric PUZ-A12NKA7***?
It is rated at 12,000 BTU/h of cooling, roughly 1 ton, and 20,000 BTU/h of heating at 47°F. Proper sizing should be confirmed with a Manual J load calculation.
Is the Mitsubishi Electric PUZ-A12NKA7*** the same as the Trane / Mitsubishi Electric PUZ-A12NKA7***?
Very likely. Both are certified by Mitsubishi Electric U.S. HVAC Division with identical capacities and efficiency ratings in the ENERGY STAR database, which indicates the same equipment sold under different brands.