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Description
MRCOOL DIY Mini Split - 36,000 BTU 2 Zone Ductless Air Conditioner and Heat Pump with 25 ft. Install Kit, DIYM236HPW03C07This 4th Generation MRCOOL Mini Split includes everything you need to cool and heat two different rooms. You'll be sent: DIY 36,000 BTU Multi Zone Condenser, two 18,000 BTU Wall Mounted Air Handler, two Remotes, and two 25 ft. Installation Kits. The best part about all of this is that you can install it yourself! Package Includes MRCOOL DIY Multi Zone 4 Zone Condenser, 4th Gen Series, DIY MULTI4 36HP230C MRCOOL DIY 4th Generation 18K BTU Wall Mount
This 4th Generation MRCOOL Mini Split includes everything you need to cool and heat two different rooms. You'll be sent: DIY 36,000 BTU Multi-Zone Condenser, two 18,000 BTU Wall Mounted Air Handler, two Remotes, and two 25 ft. Installation Kits. The best part about all of this is that you can install it yourself!
Package Includes
- MRCOOL DIY Multi-Zone 4-Zone Condenser, 4th Gen Series, DIY-MULTI4-36HP230C
- MRCOOL DIY 4th Generation 18K BTU Wall Mount Air Handler 230 Volt with Enhanced WiFi, DIY-18-HP-WMAH-230C25 (x2)
- MRCOOL 25ft 1/4 x 1/2 Lineset for DIY 9K, 12K & 18K Indoor, DIY25-1412 (x2)
Condenser
- Energy Efficient. This 4 Zone condenser, when paired with select MRCOOL air handlers, is capable of producing an impressive
- 21.5 SEER efficiency rating.
- Works In All Environments. The ability to heat even when temperatures drop to -13°F.
- Lifetime Warranty. For added peace of mind, this is the only condenser on the market that comes with a limited lifetime compressor warranty. Simply register into the MRCOOL Care Program to get the lifetime warranty!
Air Handler, 18K BTU, Quantity 2
- Large Coverage Area. Handler covers an area up to
- 750 sq. ft.
- Versatile. Incredibly versatile and equipped with multiple operating modes, which include COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP.
- Easy to Control. This unit also has the capability to be controlled by your Apple or Android smartphone through the use of the Smart HVAC app.
- Convenient Installation. With its light and compact design, it can be installed easily to most interior walls with the included mounting plate.
Line Set 25 ft., Quantity 2
- This 25 ft. copper line set connects the MRCOOL Condenser to the MR COOL Air Handlers. For Multi-Zone systems, one line set per indoor unit is required to ensure the system will function properly.
- Pre-Charged. These line sets come pre-charged with the precise amount of R-410A refrigerant.
- DIY & Save Money. This means the installation process can be performed without retaining the services of a certified technician - thus saving you money!
PRODUCT SPECIFICATIONS:
Condenser Specifications
| Product Dimensions | 37.24'W x 16.14'D x 31.89'H |
| Cooling Capacity | 36,000 BTU |
| Heating Capacity | 36,000 BTU |
| Zone Capacity | 4 |
| Cool Mode - Outdoor Operating Temperature Range | 5F ~ 122F |
| Heat Mode - Outdoor Operating Temperature Range | -13F ~ 75.2F |
| SEER | 21.5 |
| EER | 10.5 |
| Voltage | Requires a minimum of 208V-230V/60HZ/27-45A (please check your home meets this electrical requirement prior to purchase) |
| Registered Warranty | 7 Years Replacement on Condenser, 5 Years Parts |
Air Handler 18K BTU
| Product Dimensions | 42.52'W x 8.90'D x 13.19'H |
| Mount Type | Wall |
| Cooling Capacity | 18,000 BTU |
| Heating Capacity | 18,000 BTU |
| Registered Warranty | 5 Years Parts |
| Modes | Auto - auto selects from Cool, Heat or Fan-Only Dry - dehumidify Cool Heat Fan Only Quiet Sleep |
Line Set
| Length | 25 Feet |
| Liquid Line Size | 1/4' |
| Suction Line Size | 1/2' |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 1
Hot hot hot. Side sleepers will hate it
At first touch, these are the coldest pillowcases I own … but only for seconds. Once you actually lay on them, within seconds they adjust to your body temp, the heat feels trapped, my head begins to feel hotter than before I laid down - which has in turn caused me loathe these pillow cases. I hate that I have missed the return window. Would never buy again, would never recommend. My satin ones aren’t even this hot! I gave them the good ole 30-day try.
Side sleepers - if you are like me and sleep on your side with arm tucked under pillow - flipping this pillow over in hopes of a cold side - forget it, it’s already hot from your arm.
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Reviewed in the United States on August 29, 2025
★★★★★ 2
Ehh
Pills up rather quickly
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Reviewed in the United States on June 7, 2026
★★★★★ 3
Nice but dissapointing
So it sometimes stays cool but if it’s under a blanket and you have your body on it at all it will get warm but the spots you don’t use will get cool sometimes. I am very disappointed in the material though because it’s like my dry skin scratched the pillow case all over which makes me question it and I don’t think I would buy again.
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Reviewed in the United States on December 15, 2025
★★★★★ 5
Soft and smooth cover
Color: Grey, Size: Body（20"X 54"）
This is a nice pillow cover overall. The fabric feels good and it's comfortable to sleep on, especially compared to a more basic cotton cover. It is maybe a little thinner than I expected, so if you want something thick and heavy this probably isn't that. But for a soft smooth cover that fits and feels decent, I think it's worth it. No major complaints from me after using it.
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Reviewed in the United States on May 16, 2026
★★★★★ 5
These are the ones you want
Color: Grey, Size: Body（20"X 54"）
May need to iron them out when wash/dried but my old ones still look new- soft, cooling, smooth, color is still great. Not itchy or cheap feeling. Buying a new set for family.
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Reviewed in the United States on May 15, 2026
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