Toshiba Carrier MCY-MUB0368HS2P-UL vs Mitsubishi Electric P series (PUZ-AK30NLHZ2)
Two of the large mini-split heat pumps in our best large mini-split heat pumps, ranked on official energy star specs comparison, lined up spec by spec. Every figure comes from the manufacturer pages linked below, and the scores use the same published formula as the full ranking.
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Best for: Official 36,000 Btu/h official cooling, 29.7 official SEER2
Check price at AmazonBest for: Official 30,000 Btu/h official cooling, 23.8 official SEER2
Check price at AmazonSpec-by-spec comparison
Green marks the better published figure. "Not listed" means the manufacturer doesn't publish it.
| Spec | Toshiba Carrier MCY-MUB0368HS2P-UL | Mitsubishi Electric P series (PUZ-AK30NLHZ2) | Weight |
|---|---|---|---|
| Official SEER2The official SEER2 cooling-efficiency rating published on the ENERGY STAR certified mini-split heat pump record, in Btu/Wh. It is the certified combination rating for the outdoor and indoor units shown, not a seasonal bill we measured. Official figures above 28 are clamped at the 28 reference best. | 29.7 | 23.8 | 30% |
| Official HSPF2The official HSPF2 heating-efficiency rating published on the ENERGY STAR record, in Btu/Wh. It is the certified combination rating, not a winter heating test we ran. Official figures above 13 are clamped at the 13 reference best. | 12.2 | 11 | 25% |
| Official EER2The official EER2 cooling-efficiency rating published on the ENERGY STAR record, in Btu/Wh. EER2 is a certified steady-state figure at a stated test condition, not a seasonal measurement we made. Official figures above 16 are clamped at the 16 reference best. | 17.2 | 14 | 20% |
| Official COP at 5°FThe official coefficient of performance at 5°F published on the ENERGY STAR record. Higher official COP at 5°F means more certified heating output per unit of input at that cold-climate test point. It is a certified laboratory figure, not a test at a house we ran. If the field is blank it is shown as Not listed. Official figures above 2.6 are clamped at the 2.6 reference best. | 2.42 | 2.3 | 25% |
| Official ENERGY STAR unique ID | 3,943,031 | 4,688,423 | info |
| Official outdoor unit model number | MCY-MUB0368HS2P-UL | PUZ-AK30NLHZ2*** | info |
| Official indoor unit model number | Not listed | PLA-AE30NL*** | info |
| Official series name | MCY-MUB0368HS2P-UL | P series | info |
| Official product type | HP - Mini or Multi Split | HP - Mini or Multi Split | info |
| Official cooling capacity | 36,000 Btu/h | 30,000 Btu/h | info |
| Official heating capacity at 47°F | 40,000 Btu/h | 32,000 Btu/h | info |
| Official heating capacity at 17°F | 36,200 Btu/h | 21,600 Btu/h | info |
| Official heating capacity at 5°F | 28,200 Btu/h | 32,000 Btu/h | info |
| Official cold-climate designation | Yes | Yes | info |
| Official ENERGY STAR Most Efficient 2025 | Yes | Yes | info |
| Official refrigerant type | R-454B | R-454B | info |
| Official AHRI reference number | 216760287 | 218697037 | info |
| Official ENERGY STAR date certified | 03/09/2026 | 08/11/2026 | info |
| Source-data note | The ENERGY STAR record lists other official indoor-unit matchups with this outdoor model that have different official SEER2, HSPF2, EER2 or COP at 5°F ratings. The scores on this page are for the official combination shown, not those other matchups. | The ENERGY STAR record lists other official indoor-unit matchups with this outdoor model that have different official SEER2, HSPF2, EER2 or COP at 5°F ratings. The scores on this page are for the official combination shown, not those other matchups. | info |
| Other official indoor models listed with this outdoor unit | Not listed | PKA-AK30NL, PCA-AK30NL, PEAD-AA30NL, PVA-AA30NL, PAA-BA30NL, PAA-AA30NL | info |
| SplitPick score | 9.2/10 | 6.7/10 | 100% |
Where each one comes out ahead
Toshiba Carrier MCY-MUB0368HS2P-UL
Better published figure on: Official SEER2, Official HSPF2, Official EER2, Official COP at 5°F.
What we like
- Official ENERGY STAR record lists 29.7 SEER2.
- Official ENERGY STAR record lists 12.2 HSPF2.
- Official ENERGY STAR record lists a COP at 5°F of 2.42.
- Official ENERGY STAR record lists a cold-climate designation.
Watch out for
- Official ratings are for the certified outdoor and indoor combination shown; a different official indoor head can change the certified figures.
Mitsubishi Electric P series (PUZ-AK30NLHZ2)
No scored spec where it is strictly ahead; its case rests on the strengths below.
What we like
- Official ENERGY STAR record lists 23.8 SEER2.
- Official ENERGY STAR record lists 11 HSPF2.
- Official ENERGY STAR record lists a COP at 5°F of 2.3.
- Official ENERGY STAR record lists a cold-climate designation.
Watch out for
- Official ratings are for the certified outdoor and indoor combination shown; a different official indoor head can change the certified figures.
Verdict
On published specs, the Toshiba Carrier MCY-MUB0368HS2P-UL scores higher (9.2 vs 6.7). Specs don't capture sound character or feel, so weigh the pros and cons above too.
- Choose the Toshiba Carrier MCY-MUB0368HS2P-UL if this sounds like you: official 36,000 Btu/h official cooling, 29.7 official SEER2.
- Choose the Mitsubishi Electric P series (PUZ-AK30NLHZ2) if this sounds like you: official 30,000 Btu/h official cooling, 23.8 official SEER2.
- Toshiba Carrier MCY-MUB0368HS2P-UL: ENERGY STAR Certified Mini-Split Heat Pumps (pd_id 3,943,031)
- Toshiba Carrier MCY-MUB0368HS2P-UL: ENERGY STAR Product Finder (heat pumps)
- Mitsubishi Electric P series (PUZ-AK30NLHZ2): ENERGY STAR Certified Mini-Split Heat Pumps (pd_id 4,688,423)
- Mitsubishi Electric P series (PUZ-AK30NLHZ2): ENERGY STAR Product Finder (heat pumps)
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