# MRCOOL DIY 5th Gen 36,000 BTU wall mount system

> MRCOOL DIY 5th Gen 36,000 BTU wall mount system (DIY-36-HP-WM-230D25-O) is a 36,000 BTU system from MRCOOL DIY 5th Gen. It has a wall mount indoor unit, runs on 208/230V, is rated 18 SEER2, has an HSPF2 of 8.5, heats down to -13 °F by the brand's rating, uses R-454B refrigerant, comes with a 25 ft line set, and carries a 7-year compressor warranty. Lowest in-stock price on file: $3,769 at Got Ductless (checked Oct 14, 2026).

- Line: [MRCOOL DIY 5th Gen](https://minisplitfacts.com/lines/mrcool-diy-5th-gen/)
- Category: [Single-zone systems](https://minisplitfacts.com/compare/single-zone/)
- Size tier within its line: 36k
- 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/mrcool-diy-5th-gen-36k-wall/

## Specifications

| Spec | Value | Source |
|---|---|---|
| Model number | DIY-36-HP-WM-230D25-O | [hvacdirect.com](https://hvacdirect.com/mrcool-diy-5th-gen-e-star-36000-btu-single-zone-mini-split-complete-system-with-25ft-line-set-230v-diy-36-hp-wm-230d25-o.html) (retailer, page, 2026-10-14) |
| Size | 36,000 BTU/h | [doxrepo.mrcool.com](https://doxrepo.mrcool.com/mc-cat-en-01.pdf) (brand, pdf, 2026-10-14) |
| Indoor unit style | Wall mount | [doxrepo.mrcool.com](https://doxrepo.mrcool.com/mc-cat-en-01.pdf) (brand, pdf, 2026-10-14) |
| Voltage | 208/230V | [doxrepo.mrcool.com](https://doxrepo.mrcool.com/mc-cat-en-01.pdf) (brand, pdf, 2026-10-14) |
| Outdoor unit model | DIY-36-HP-C-230D25-O | [doxrepo.mrcool.com](https://doxrepo.mrcool.com/mc-cat-en-01.pdf) (brand, pdf, 2026-10-14) |
| Indoor unit model | DIY-36-HP-WMAH-230D25-O | [doxrepo.mrcool.com](https://doxrepo.mrcool.com/mc-cat-en-01.pdf) (brand, pdf, 2026-10-14) |
| SEER2 (cooling efficiency) | 18 | [doxrepo.mrcool.com](https://doxrepo.mrcool.com/mc-cat-en-01.pdf) (brand, pdf, 2026-10-14) |
| EER2 (efficiency at 95 °F) | 8.5 | [doxrepo.mrcool.com](https://doxrepo.mrcool.com/mc-cat-en-01.pdf) (brand, pdf, 2026-10-14) |
| HSPF2 (heating efficiency) | 8.5 | [doxrepo.mrcool.com](https://doxrepo.mrcool.com/mc-cat-en-01.pdf) (brand, pdf, 2026-10-14) |
| Rated cooling capacity | 36,000 BTU/h | [doxrepo.mrcool.com](https://doxrepo.mrcool.com/mc-cat-en-01.pdf) (brand, pdf, 2026-10-14) |
| Heating capacity at 47 °F | 36,000 BTU/h | [doxrepo.mrcool.com](https://doxrepo.mrcool.com/mc-cat-en-01.pdf) (brand, pdf, 2026-10-14) |
| Heating capacity at 17 °F | not published |  |
| Heating capacity at 5 °F | not published |  |
| COP at 5 °F | not published |  |
| Heats down to | -13 °F | [mrcool.com](https://www.mrcool.com/product/diy-5th-generation) (brand, page, 2026-10-14) |
| Refrigerant | R-454B | [doxrepo.mrcool.com](https://doxrepo.mrcool.com/mc-cat-en-01.pdf) (brand, pdf, 2026-10-14) |
| ENERGY STAR certified | not published |  |
| ENERGY STAR cold climate | not published |  |
| Line connection | Quick-connect | [doxrepo.mrcool.com](https://doxrepo.mrcool.com/mc-cat-en-01.pdf) (brand, pdf, 2026-10-14) |
| Line set included | 25 ft | [hvacdirect.com](https://hvacdirect.com/mrcool-diy-5th-gen-e-star-36000-btu-single-zone-mini-split-complete-system-with-25ft-line-set-230v-diy-36-hp-wm-230d25-o.html) (retailer, page, 2026-10-14) |
| Wi-Fi control | not published |  |
| Indoor sound level (quietest) | 27.5 dB(A) | [doxrepo.mrcool.com](https://doxrepo.mrcool.com/mc-cat-en-01.pdf) (brand, pdf, 2026-10-14) |
| Outdoor sound level | 60.5 dB(A) | [doxrepo.mrcool.com](https://doxrepo.mrcool.com/mc-cat-en-01.pdf) (brand, pdf, 2026-10-14) |
| Room size (brand's claim) | 1,550 sq ft | [doxrepo.mrcool.com](https://doxrepo.mrcool.com/mc-cat-en-01.pdf) (brand, pdf, 2026-10-14) |
| Compressor warranty | 7 years | [doxrepo.mrcool.com](https://doxrepo.mrcool.com/mc-diy-5-wr-en-01.pdf) (brand, pdf, 2026-10-14) |
| Parts warranty | 5 years | [doxrepo.mrcool.com](https://doxrepo.mrcool.com/mc-diy-5-wr-en-01.pdf) (brand, pdf, 2026-10-14) |
| Warranty if you install it yourself | Kept | [doxrepo.mrcool.com](https://doxrepo.mrcool.com/mc-diy-5-wr-en-01.pdf) (brand, pdf, 2026-10-14) |
| Outdoor unit size (W×D×H) | 37.24 × 16.14 × 31.89 in | [doxrepo.mrcool.com](https://doxrepo.mrcool.com/mc-cat-en-01.pdf) (brand, pdf, 2026-10-14) |
| Indoor unit size (W×D×H) | 49.57 × 11.1 × 14.25 in | [doxrepo.mrcool.com](https://doxrepo.mrcool.com/mc-cat-en-01.pdf) (brand, pdf, 2026-10-14) |
| Outdoor unit weight | 152.12 lb | [doxrepo.mrcool.com](https://doxrepo.mrcool.com/mc-cat-en-01.pdf) (brand, pdf, 2026-10-14) |

## Where to buy

| Store | Price (USD) | Availability | Checked | Link |
|---|---|---|---|---|
| Got Ductless | $3,769 | in stock | 2026-10-14 | [View at Got Ductless](https://gotductless.com/products/mrcool®-diy-5th-generation-36-000-btu-wall-mounted-heat-pump-system-diy-36-hp-wm-230d25-o) |
| HVACDirect | $3,769 | in stock | 2026-10-14 | [View at HVACDirect](https://hvacdirect.com/mrcool-diy-5th-gen-e-star-36000-btu-single-zone-mini-split-complete-system-with-25ft-line-set-230v-diy-36-hp-wm-230d25-o.html) |

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

## The equivalent in other lines

Same category, same size tier (36k), different line:

- [ACiQ Extreme 36,000 BTU ceiling cassette system](https://minisplitfacts.com/products/aciq-extreme-36k-cassette/) — $3,934.99
- [ACiQ Extreme 36,000 BTU floor console system](https://minisplitfacts.com/products/aciq-extreme-36k-console/) — $3,749.99
- [ACiQ Extreme 36,000 BTU concealed duct system](https://minisplitfacts.com/products/aciq-extreme-36k-duct/) — $3,799.99
- [ACiQ Standard 36,000 BTU wall mount system](https://minisplitfacts.com/products/aciq-standard-36k-wall/) — $2,449.99
- [DELLA Vita 36,000 BTU wall mount system](https://minisplitfacts.com/products/della-vita-36k-wall/) — $2,099.96
- [DELLA Vario 36,000 BTU wall mount system](https://minisplitfacts.com/products/della-vario-36k-wall/) — $2,199.96
- [Gree Livo 36,000 BTU wall mount system](https://minisplitfacts.com/products/gree-livo-36k-wall/) — $4,059
- [Mitsubishi Electric GX 36,000 BTU wall mount system](https://minisplitfacts.com/products/mitsubishi-gx-36k-wall/) — $1,986.34


---
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.