# Mitsubishi Electric P-Series Hyper-Heating 42,000 BTU ceiling suspended system (PCA-AK)

> Mitsubishi Electric P-Series Hyper-Heating 42,000 BTU ceiling suspended system (PCA-AK) (PUZ-AK42NLHZ / PCA-AK42NL) is a 42,000 BTU system from Mitsubishi Electric P-Series. It has a ceiling suspended indoor unit, runs on 208/230V, is rated 18.7 SEER2, has an HSPF2 of 8.7, uses R-454B refrigerant, and carries a 10-year compressor warranty. Lowest in-stock price on file: $3,125.20 at Got Ductless (checked Oct 14, 2026).

- Line: [Mitsubishi Electric P-Series](https://minisplitfacts.com/lines/mitsubishi-p-series/)
- Category: [Single-zone systems](https://minisplitfacts.com/compare/single-zone/)
- Size tier within its line: 42k
- Status: current
- Data confidence: confirmed (last verified 2026-10-14; [what this means](https://minisplitfacts.com/how-we-compare/#confidence))
- Page: https://minisplitfacts.com/products/mitsubishi-p-series-42k-hyper-heat-suspended-pca-ak/

## Specifications

| Spec | Value | Source |
|---|---|---|
| Model number | PUZ-AK42NLHZ / PCA-AK42NL | [hvacdirect.com](https://hvacdirect.com/42000-btu-mitsubishi-p-series-19-6-seer2-single-ceiling-suspended-mini-split-hyper-heat-pump-system-r454b-puz-ak42nlhz-pca-ak42nl-199144.html) (retailer, page, 2026-10-14) |
| Size | 42,000 BTU/h | [hvacdirect.com](https://hvacdirect.com/42000-btu-mitsubishi-p-series-19-6-seer2-single-ceiling-suspended-mini-split-hyper-heat-pump-system-r454b-puz-ak42nlhz-pca-ak42nl-199144.html) (retailer, page, 2026-10-14) |
| Indoor unit style | Ceiling suspended | [hvacdirect.com](https://hvacdirect.com/42000-btu-mitsubishi-p-series-19-6-seer2-single-ceiling-suspended-mini-split-hyper-heat-pump-system-r454b-puz-ak42nlhz-pca-ak42nl-199144.html) (retailer, page, 2026-10-14) |
| Voltage | 208/230V | [hvacdirect.com](https://hvacdirect.com/42000-btu-mitsubishi-p-series-19-6-seer2-single-ceiling-suspended-mini-split-hyper-heat-pump-system-r454b-puz-ak42nlhz-pca-ak42nl-199144.html) (retailer, page, 2026-10-14) |
| Outdoor unit model | PUZ-AK42NLHZ | [hvacdirect.com](https://hvacdirect.com/42000-btu-mitsubishi-p-series-19-6-seer2-single-ceiling-suspended-mini-split-hyper-heat-pump-system-r454b-puz-ak42nlhz-pca-ak42nl-199144.html) (retailer, page, 2026-10-14) |
| Indoor unit model | PCA-AK42NL | [hvacdirect.com](https://hvacdirect.com/42000-btu-mitsubishi-p-series-19-6-seer2-single-ceiling-suspended-mini-split-hyper-heat-pump-system-r454b-puz-ak42nlhz-pca-ak42nl-199144.html) (retailer, page, 2026-10-14) |
| SEER2 (cooling efficiency) | 18.7 | [hvacdirect.com](https://hvacdirect.com/42000-btu-mitsubishi-p-series-19-6-seer2-single-ceiling-suspended-mini-split-hyper-heat-pump-system-r454b-puz-ak42nlhz-pca-ak42nl-199144.html) (retailer, page, 2026-10-14) |
| EER2 (efficiency at 95 °F) | 11.4 | [hvacdirect.com](https://hvacdirect.com/42000-btu-mitsubishi-p-series-19-6-seer2-single-ceiling-suspended-mini-split-hyper-heat-pump-system-r454b-puz-ak42nlhz-pca-ak42nl-199144.html) (retailer, page, 2026-10-14) |
| HSPF2 (heating efficiency) | 8.7 | [hvacdirect.com](https://hvacdirect.com/42000-btu-mitsubishi-p-series-19-6-seer2-single-ceiling-suspended-mini-split-hyper-heat-pump-system-r454b-puz-ak42nlhz-pca-ak42nl-199144.html) (retailer, page, 2026-10-14) |
| Rated cooling capacity | not published |  |
| Heating capacity at 47 °F | not published |  |
| Heating capacity at 17 °F | not published |  |
| Heating capacity at 5 °F | not published |  |
| COP at 5 °F | not published |  |
| Heats down to | not published |  |
| Refrigerant | R-454B | [hvacdirect.com](https://hvacdirect.com/42000-btu-mitsubishi-p-series-19-6-seer2-single-ceiling-suspended-mini-split-hyper-heat-pump-system-r454b-puz-ak42nlhz-pca-ak42nl-199144.html) (retailer, page, 2026-10-14) |
| ENERGY STAR certified | not published |  |
| ENERGY STAR cold climate | not published |  |
| Line connection | not published |  |
| Wi-Fi control | not published |  |
| Indoor sound level (quietest) | not published |  |
| Outdoor sound level | not published |  |
| Compressor warranty | 10 years | [dw2p0k56b2hr9.cloudfront.net](https://dw2p0k56b2hr9.cloudfront.net/Residential_M_Series_P_Series_and_SMART_MULTI_Split_Air_Conditioner_and_Heat_Pump_Systems_V3_1b7be81e7d.pdf) (brand, pdf, 2026-10-14) |
| Parts warranty | 10 years | [dw2p0k56b2hr9.cloudfront.net](https://dw2p0k56b2hr9.cloudfront.net/Residential_M_Series_P_Series_and_SMART_MULTI_Split_Air_Conditioner_and_Heat_Pump_Systems_V3_1b7be81e7d.pdf) (brand, pdf, 2026-10-14) |
| Warranty if you install it yourself | Licensed installer required | [mitsubishicomfort.com](https://mitsubishicomfort.com/internet-sales) (brand, page, 2026-10-14) |
| Outdoor unit weight | 271 lb | [hvacdirect.com](https://hvacdirect.com/42000-btu-mitsubishi-p-series-19-6-seer2-single-ceiling-suspended-mini-split-hyper-heat-pump-system-r454b-puz-ak42nlhz-pca-ak42nl-199144.html) (retailer, page, 2026-10-14) |

## Where to buy

| Store | Price (USD) | Availability | Checked | Link |
|---|---|---|---|---|
| Got Ductless | $3,125.20 | in stock | 2026-10-14 | [View at Got Ductless](https://gotductless.com/products/mitsubishi-pca-ak42nl-42-000-btu-ceiling-suspended-indoor-unit-r454b-1) |
| HVACDirect | $10,832.25 | in stock | 2026-10-14 | [View at HVACDirect](https://hvacdirect.com/42000-btu-mitsubishi-p-series-19-6-seer2-single-ceiling-suspended-mini-split-hyper-heat-pump-system-r454b-puz-ak42nlhz-pca-ak42nl-199144.html) |

Prices are re-checked weekly; a date more than a month old means the store could not be re-read.

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MiniSplit Facts lists modular tool storage from every brand side by side, with a source for every spec. [How we compare](https://minisplitfacts.com/how-we-compare/). Data as of 2026-10-14.