SKU: 10163903652

MRCOOL DIY Mini Split - 48,000 BTU 5 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with 35 ft. Install Kit, DIYM548HPC01C336

Sale price$4953.15 Regular price$5503.50
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Description

MRCOOL DIY Mini Split - 48,000 BTU 5 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with 35 ft. Install Kit, DIYM548HPC01C336MRCOOL DIY 4th Generation 48K BTU Multi Zone Ceiling Cassette Mini Split System The MRCOOL DIY 4th Generation 48K BTU Multi Zone Mini Split System is a groundbreaking solution for cooling and heating multiple zones in your home, office, or business space. This DIY friendly system includes a powerful 48K BTU condenser, four 9K BTU ceiling cassettes, one 12K BTU ceiling cassette, and all necessary pre charged line sets and communication wires. Designed

MRCOOL DIY 4th Generation 48K BTU Multi-Zone Ceiling Cassette Mini Split System

The MRCOOL DIY 4th Generation 48K BTU Multi-Zone Mini Split System is a groundbreaking solution for cooling and heating multiple zones in your home, office, or business space. This DIY-friendly system includes a powerful 48K BTU condenser, four 9K BTU ceiling cassettes, one 12K BTU ceiling cassette, and all necessary pre-charged line sets and communication wires. Designed for ease of installation and ultimate flexibility, this system delivers exceptional comfort and efficiency without the need for costly HVAC technicians or specialized tools.


What’s Included

  1. MRCOOL DIY 48K BTU Multi-Zone Condenser (DIY-MULTI5-48HP230C):

    • Capable of supporting up to five indoor air handlers.
    • Delivers reliable heating and cooling with up to a 20.5 SEER2 efficiency rating.
    • Operates in extreme temperatures, providing heat in conditions as low as -5°F and cooling in temperatures as high as 122°F.
  2. Four 9K BTU Ceiling Cassette Air Handlers (DIYCASSETTE09HP-230C25):

    • Ideal for spaces between 180-375 sq. ft..
    • Low-profile ceiling-mounted design for discreet heating and cooling.
  3. One 12K BTU Ceiling Cassette Air Handler (DIYCASSETTE12HP-230C25):

    • Perfect for larger areas between 250-500 sq. ft..
    • Features customizable operating modes for personalized comfort.
  4. Five Pre-Charged 35-Foot Line Sets (DIY35-1412C):

    • Pre-charged with R-410A refrigerant for a DIY-friendly installation.
    • Eliminates the need for professional refrigerant charging, saving you time and money.

System Features

1. High-Efficiency 48K BTU Multi-Zone Condenser

  • Energy Efficiency: With a 20.5 SEER2 rating, this condenser delivers exceptional energy savings, qualifying for energy rebates and tax credits.
  • Durability: Built for year-round performance, this condenser operates effectively in extreme weather conditions.
  • Warranty: Includes a 7-year compressor warranty and 5-year parts warranty, with an option for a lifetime compressor warranty through the MRCOOL Care Program.
  • Compact Dimensions: At 37.48"W x 16.34"D x 52.48"H, the unit is easy to install in most outdoor spaces.

2. 9K BTU Ceiling Cassette Air Handlers

  • Coverage: Suitable for small to medium-sized rooms ranging from 180 to 375 sq. ft..
  • Versatility: Equipped with multiple operating modes: Cool, Heat, Auto, Dry, Fan Only, Sleep.
  • Design: Low-profile installation for a sleek, unobtrusive look.
  • Easy Maintenance: The Elevation Function allows the air filter panel to lower for quick and easy maintenance.

3. 12K BTU Ceiling Cassette Air Handler

  • Coverage: Ideal for larger rooms or open spaces between 250 to 500 sq. ft..
  • Customizable Comfort: Offers the same operating modes as the 9K BTU air handler for ultimate versatility.
  • Discreet Installation: Installs flush with your ceiling for seamless integration into any room.

4. Pre-Charged Line Sets

  • Length and Compatibility: Each 35-foot line set is pre-charged and compatible with the included air handlers.
  • DIY Installation: Designed to simplify the installation process, eliminating the need for professional tools or refrigerant handling.

Benefits of the MRCOOL DIY 4th Generation Mini Split

1. Energy Efficiency

With an industry-leading SEER2 rating of 20.5, this system maximizes energy savings while providing powerful heating and cooling performance. The HSPF2 rating of 9.2 ensures optimal heating efficiency, making it perfect for year-round use.

2. DIY-Friendly Installation

Pre-charged line sets and a user-friendly design make installation accessible, even for those without HVAC experience. Save on professional installation costs while enjoying a reliable, professional-grade system.

3. Multi-Zone Customization

Independently control up to five zones, allowing for personalized comfort in different areas of your home or office. Adjust settings for each room using the included remote controls, ensuring every space stays at the perfect temperature.

4. Quiet and Reliable Performance

Enjoy whisper-quiet operation for peaceful environments, whether it’s a bedroom, office, or living room. The system is engineered for reliability and backed by MRCOOL’s trusted warranty program.


Technical Specifications

Condenser

  • Cooling Capacity: 48,000 BTU
  • Heating Capacity: 48,000 BTU
  • Zones: Supports up to 5 indoor units
  • Efficiency Ratings: SEER2: 20.5, EER2: 11, HSPF2: 9.2
  • Dimensions: 37.48"W x 16.34"D x 52.48"H
  • Operating Temperatures: Heating: -5°F ~ 75.2°F | Cooling: 5°F ~ 122°F
  • Voltage Requirements: 208-230V/60Hz/18-25A

9K BTU Ceiling Cassette Air Handlers

  • Coverage Area: 180-375 sq. ft.
  • Modes: Auto, Cool, Heat, Dry, Fan Only, Sleep
  • Dimensions: 50.31"W x 13.19"D x 8.98"H
  • Warranty: 5 Years Parts

12K BTU Ceiling Cassette Air Handler

  • Coverage Area: 250-500 sq. ft.
  • Modes: Auto, Cool, Heat, Dry, Fan Only, Sleep
  • Dimensions: 50.31"W x 13.19"D x 8.98"H
  • Warranty: 5 Years Parts

Pre-Charged Line Sets

  • Length: 35 feet each
  • Liquid Line Size: 1/4"
  • Suction Line Size: 1/2"

Ideal Applications

  • Homes: Create customizable comfort in bedrooms, living rooms, and common areas.
  • Offices: Maintain efficient climate control across multiple workspaces.
  • Retail or Commercial Spaces: Keep customers and employees comfortable with discreet ceiling-mounted air handlers.
  • Specialized Spaces: Perfect for garages, home gyms, workshops, or studios.

Why Choose MRCOOL DIY Direct?

As the USA’s most trusted MRCOOL dealer, MRCOOL DIY Direct offers:

  • Expert support and guidance to help you select the right system.
  • Competitive pricing and fast shipping.
  • Comprehensive warranty options, including lifetime compressor coverage through the MRCOOL Care Program.

Order Now

The MRCOOL DIY 4th Generation 48K BTU Multi-Zone Mini Split System delivers powerful, energy-efficient, and customizable climate control for up to five zones. Experience the convenience of DIY installation, premium comfort, and exceptional reliability.

Order today from MRCOOL DIY Direct and start enjoying year-round comfort in every room of your space!

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 10163903652

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4.1 ★★★★★
Based on 28 reviews
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Kim Wood
Battle Creek, US
★★★★★ 5
Good purchase
Style: 3 Pound, Pair
These are just the right weight for me to start gaining muscle back in my arms, after a large weight loss. They are of good quality, they are covered in a nice rubber like coating that is soft to the touch. They are small enough that i can take them with me when I travel. My dog has got hold of them a couple times and played with them, and they held up just fine without any damage.
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Reviewed in the United States on April 28, 2026
K
Verified Purchase
Ky Mogg
Birmingham, US
★★★★★ 5
Solid, grippy, and they don’t roll away!
Style: 10 Pound, Pair
I bought these because I’m finally trying to build a consistent home workout routine and didn't want to drop a fortune on name-brand weights. I’ve been using this 10lb pair for about a month now for everything from overhead presses to lunges, and honestly, they’re exactly what I was looking for. The Pros: • That Neoprene Grip: The coating is fantastic. Even when my hands get pretty sweaty halfway through a workout, I don’t feel like I’m going to drop them. It’s a much "softer" feel than cold metal or hard plastic. • The Hex Shape: This is a small detail that makes a huge difference. Since the ends are hexagonal, they don't roll across the floor when I set them down between sets. They also stay put if I’m using them for "renegade rows" or floor work. • Compact Size: They aren’t bulky. I can easily shove them under my bed or in the corner of the closet when I’m done. • No Weird Odor: I was worried they might smell like a tire factory (which happens with some rubber-coated weights), but these had almost no scent right out of the box. The Cons: • Handle Diameter: The handles are a little on the thicker side. I have medium-sized hands and it’s fine, but if you have very small hands, they might feel a bit chunky to wrap your fingers all the way around. • Color Scuffs: The navy blue looks great, but if you clank them together or drop them on concrete, the coating can scuff or show dust pretty easily. The Verdict: If you just need a reliable set of weights for HIIT, Pilates, or general strength training, these are a no-brainer. You're basically getting gym-quality equipment for a fraction of the price. I’ll probably be back for the 15lb set in a few months!
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Reviewed in the United States on January 27, 2026
M
Verified Purchase
Matt
Los Angeles, US
★★★★★ 5
Simple, Comfortable, and Exactly What You Expect
Style: Rack with 3 Pairs (5, 10, and 15 Pound)
These are pretty much exactly what you want from a set of dumbbells — simple, functional, and no nonsense. The neoprene coating gives them a comfortable grip and keeps them from feeling slick in your hands, especially during longer workouts or if your hands get sweaty. The coating also helps keep them from banging up floors or making as much noise compared to bare metal weights, which is nice if you’re working out at home. Weight accuracy seems fine for general fitness use, and they’ve worked great for things like accessory movements, shoulder work, lighter presses, rehab-style exercises, and general muscle toning. The shape also helps keep them from rolling around everywhere when set down. They’re not fancy, and they’re not trying to be — they’re just dependable dumbbells that do what they’re supposed to do at a fair price. If you want straightforward hand weights for home workouts without overthinking it, these are a solid buy.
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Reviewed in the United States on May 26, 2026
C
Verified Purchase
ChaCha
Waukegan, US
★★★★★ 5
Reliable, Comfortable Dumbbells I Actually Use Every Day
Style: 12 Pound, Pair, Style: 12 Pound, Pair
I’ve been using the Amazon Basics Neoprene Dumbbell Hand Weights daily, and they’ve honestly been perfect for my routine. Whether I’m doing a quick morning workout or adding resistance to a longer session, these have held up really well. The neoprene coating makes a big difference—it provides a comfortable, non-slip grip, even during longer workouts or when my hands get a little sweaty. They’re also easy to clean and don’t have that strong rubber smell some weights can have. I really appreciate the hex shape too. They stay put when I set them down (no rolling across the floor), which makes switching between exercises quick and frustration-free. The weight feels evenly distributed and well-balanced, so movements feel controlled and smooth. Overall, these are simple, no-frills dumbbells that just work. If you’re looking for reliable hand weights for everyday use—whether you’re a beginner or just need something dependable for home workouts—these are a great choice.
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Reviewed in the United States on April 14, 2026
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Verified Purchase
Rayven Z
Louisville, US
★★★★★ 5
Great quality and perfect for home workouts!
Style: Rack with 3 Pairs (3, 5, and 8 Pound)
I’m really happy with this dumbbell set. The weights are clearly labeled (3 lb, 5 lb, and 8 lb), which makes it super convenient to switch between exercises. The neoprene coating feels comfortable in hand and provides a good grip, even during longer workouts. The storage stand is a big plus—it keeps everything organized and saves space, which is perfect for a small home gym. The colors are also nice and make it easy to quickly grab the weight you need. Overall, this is a great set for beginners or anyone looking to add light strength training to their routine. Highly recommend!
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Reviewed in the United States on April 13, 2026

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