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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
4.2 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 4
Normally amazing
Color: Spiky Ball (Blue, Orange), Size: Medium
We have purchased these slightly spiky dog balls several times for our very strong jaw heavy chewer dogs and they’ve been amazing. They don’t break down they don’t get torn apart the squeakers don’t even pop out of them.
So we ordered another package because we’ve lost a few outside to the lawnmower… oops and the package that got delivered today had only one ball that squeaks and the other does not. THIS IS A PROBLEM ! Unfortunately my female dog got to the new squeaking ball first and my male got to the non-squeaking ball and he was NOT happy. Basically once they claim a ball it’s theirs and the other dogs don’t go near the ball they claimed. So he’s following my female around and every time she squeaks the ball and I’m just waiting for him to attempt to take it from her causing damage to her. Normally… These are amazingly fun, tough, durable but also squeaking balls (that’s rare in a tough ball) that my dogs absolutely love.
This time just got a bad batch I guess. When they squeak the dogs LOVE them. After several months of play the squeaker might break inside of the ball but the ball never comes apart or gets damaged. And we as the owners love that they don’t break down are not able to be ripped or torn even by our very strong jawed and big jaw muscle dogs.
They are also great for in the house play because they’re small enough that they fit completely inside our dog‘s mouth but obviously not small enough to get swallowed so when we throw them in the house for fetch the dogs can jump up and catch them fully in their mouth so they don’t cause any damage to the walls when they hit the walls. They’re not super heavy but they’re incredibly durable.
Definitely worth the price especially if you have heavy chewers or big jaw muscle dogs.
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Reviewed in the United States on April 28, 2026
★★★★★ 5
Best fun indestructible toy
Color: Crinkle Duck (Yellow), Size: Large
Truly indestructible no matter how much our oittie tries. She has owned it for three months works at destroying every day with no success. She carries it everywhere. Best purchase for chewer, more fun than the popular rubber heavy duty toy. Do not hesitate your pup will thank you for this fun distraction.
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Reviewed in the United States on May 30, 2026
★★★★★ 5
My dog loves this toy!
Color: Bunny (Gray), Size: Large, Color: Bunny (Gray), Size: Large
High quality, big toy, perfect for a medium to large size dog. After a few months of serious chewing I had to buy another one, but well worth the money! Rocky loves it.
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Reviewed in the United States on June 11, 2026
★★★★★ 4
Great toy but if your dog is an aggressive chewer, please think twice.
Color: Crinkle Chicken (Brown), Size: Large
I received this on May 23rd and on June 8th, after playing with this thing every day, our recently acquired 36 lb dog finally ripped it open and got out all the plastic and the squeaky part. Lily Belle will miss you, chicken.
Lily loooooved this toy! She'd toss it in the air, chew on it, pull it with her teeth etc. but as much as she loved it, we won't replace it. It's just not durable enough for her.
If your dog is an aggressive chewer, you might want to try a different toy. I hate that this lasted just a smidge over two weeks because Lily seemed to truly enjoy this toy.
RIP, squeaky chicken!
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Reviewed in the United States on June 9, 2026
★★★★★ 5
Great Value Toy
Color: Crinkle Duck (Blue), Size: Large, Color: Crinkle Duck (Blue), Size: Large
This toy has been one of my dog’s absolute favorites. He gets excited every time he sees it and will carry it around the house, toss it in the air, and keep himself entertained for a long time. The shape and texture seem perfect for him, and it quickly became one of his go-to toys over everything else in his basket.
What I really like is that it holds up reasonably well for the price. It’s definitely not indestructible, and after a lot of play, it will sometimes start to rip—usually around the feet first since that’s where my dog tends to grab and chew the most. But honestly, considering how affordable it is, I don’t mind replacing it when needed. It’s inexpensive enough that rebuying feels worth it because he genuinely loves it that much.
I’d rather keep buying a toy he is obsessed with than spend more on something that just sits untouched. It’s fun, cute, and keeps him happy, which is what matters most. Overall, I’d definitely recommend it for dogs who love plush toys and playful chewing.
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Reviewed in the United States on April 28, 2026
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