SKU: 70396888265

MRCOOL Universal 2 to 3 Ton 20 SEER Central Heat Pump Air Conditioner System MDU18024036

Sale price$1682.10 Regular price$1869.00
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Description

MRCOOL Universal 2 to 3 Ton 20 SEER Central Heat Pump Air Conditioner System MDU18024036The MRCOOL Universal Series Central Heat Pump & Air Conditioner System: Quiet, Efficient, and DIY Friendly Comfort The MRCOOL Universal Series Central Heat Pump and Air Conditioner System is a groundbreaking solution in whole home climate control, delivering exceptional energy efficiency, whisper quiet performance, and simplified installation compared to traditional central HVAC systems. Unlike conventional split systems, the Universal Series features

The MRCOOL® Universal Series Central Heat Pump & Air Conditioner System: Quiet, Efficient, and DIY-Friendly Comfort

The MRCOOL® Universal Series Central Heat Pump and Air Conditioner System is a groundbreaking solution in whole-home climate control, delivering exceptional energy efficiency, whisper-quiet performance, and simplified installation compared to traditional central HVAC systems.

Unlike conventional split systems, the Universal Series features a DC inverter compressor that intelligently adjusts output based on real-time demand. It ramps up when needed and scales down during mild weather conditions—maximizing comfort while minimizing energy use and utility bills. This variable-speed operation not only enhances efficiency but also reduces system wear and tear, extending the life of your HVAC investment.

Designed with flexibility in mind, the Universal condenser can pair with many existing air handlers from other brands. However, for optimal performance, it is best matched with a MRCOOL air handler.

The 2–3 Ton MRCOOL Universal System includes a full-sized air handler and a compact, side-discharge condenser that supports 24,000–36,000 BTU capacity—ideal for spaces between 1,100 to 1,550 square feet. This system offers unmatched versatility: the 3-ton condenser can be field-configured to operate as a 2-ton unit using simple dip switch settings.

Installation is quick and hassle-free thanks to MRCOOL's pre-charged Quick Connect line sets (sold separately in lengths up to 50 feet). No vacuuming or refrigerant charging is required, making it a true DIY-friendly solution.

Using the same advanced inverter technology found in MRCOOL mini-splits, this system automatically adjusts its output to maintain consistent indoor temperatures with maximum efficiency and minimal energy waste.

We also sell the MRCOOL Universal 4-5 Ton Central Air Conditioner which can cover 2,200-2,750 square feet.

THE MRCOOL Universal Series Heat Pump can continue heating in temperatures as low As -22. The Universal can deliver 100% cooling capacity at temperatures up to 110 degrees Fahrenheit, 80% heat output down to -4 degrees. The air handler comes with an electrical box assembly, a fan motor, a secondary drain pan, a primary drain pan, and an optional auxiliary heat kit.

No-Vac Quick Connect Line Set

The MRCOOL No-Vac Quick Connect Line Set is one of the biggest advantages of the MRCOOL Universal Series Central Heat and Air Split System. This line set is kink resistant, pre-charged with R410a refrigerant, and uses Quick Connect fittings. 

The quick connect functionality means that the installation of the Universal System saves you hours, and doesn't require any special tools and equipment. 


Features

Quiet - For every 10 Decibels (dBa) a sound is twice as loud-making the Universal 55 dB(a) less than half as loud as the conventional 73 dB(a) condenser.

Slim Design - Side discharge design takes less than half the size of conventional condensers. Perfect for urban lots and between building applications where access is limited.

Easy installation - The Universal® has Flare, Flare-to-Weld, or No-Vac® Quick Connect® line set options and Multi-Position Air Handler installation options (Upflow, Horizontal).

Use any thermostat - Compatible with any thermostat, including Nest, or optimize your system with our versatile smart-app Universal® Thermostat.

Energy efficient - Up to 20 Seer. The Universal® DC Inverter moderates operating load, increasing efficiency at lower operating costs.

Gold Fin® Condenser - Corrosion resistant. Perfect for homes and buildings near the beach.

Long Warranty Coverage – Every system comes with a 5-year limited parts warranty with DIY installation, or a 10-year limited parts warranty when professionally installed.


🔧 Key Features & Benefits of the MRCOOL® Universal 2–3 Ton Central Heat Pump System

  • Quick Connect Installation – Equipped with Quick Connect fittings for fast, tool-free hookup (when paired with MRCOOL Pre-Charged Line Sets, sold separately).

  • 🔄 Adjustable Capacity – Easily set to either 2 Ton or 3 Ton operation via dip switch configuration, offering flexible performance to suit your home's needs.

  • ❄️ Cold Climate Ready – Delivers up to 80% BTU output at -4°F, making it ideal for year-round comfort—even in extreme winters.

  • 🔥 Fireproof Electrical Housing – Built-in fire-resistant electrical box for enhanced safety and peace of mind.

  • 🔄 Multi-Positional Air Handler – Versatile design allows for upflow or horizontal installation, making it suitable for a variety of setups.

  • ⚙️ Variable-Speed ECM Motor – Air handler includes a high-efficiency ECM (Electronically Commutated Motor) for precise airflow and quieter operation.

  • 💡 All-Electric System – No gas required. A fully electric heating and cooling solution—eco-friendly and future-ready.

  • 📱 Smart Thermostat Compatible – Works with most 3rd-party thermostats, including popular Wi-Fi smart thermostats like Nest, Ecobee, and Honeywell.

  • 🧰 No Special Tools Required – Line set installation is tool-free, thanks to MRCOOL’s Quick Connect technology.

  • 🌡️ Temperature Compensation Technology – Automatically adjusts performance to maintain your desired indoor comfort regardless of outdoor conditions.

  • 🧵 Standard Thermostat Wiring – Uses industry-standard 18/6 thermostat wire, making upgrades or replacements easy.

Includes

  • MDUO18024036 
  • MDUI18024036E

Specifications & Dimensions

 

 SKU

MDU18024036 (MDUO18024036 + MDUI18024036E)
MANUFACTURER MRCOOL
COOLING BTU
36,000
HEATING BTU 36,000
MAXIMUM CFM
1000
REFRIGERANT
R410A
SEER
19
LIQUID LINE
3/8'
SUCTION LINE
3/4'
ELECTRICAL

230V 1 Phase 60 Hz
MAX. BREAKER SIZE

Indoor Unit: 15A | Outdoor Unit: 35A
TONNAGE
3.0 Ton
HEIGHT
Indoor Unit: 48.2' | Outdoor Unit: 32.3'
WIDTH
Indoor Unit: 21.3' | Outdoor Unit: 37'
DEPTH Indoor Unit: 21.3' | Outdoor Unit: 18.1'
WEIGHT
410.00 lbs
WARRANTY

10 Years
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: 70396888265

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4.0 ★★★★★
Based on 28 reviews
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Verified Purchase
Jamie
Massapequa, US
★★★★★ 5
Labs love this!!!
Style: Sport, Size: Large
Our Lab LOVES everything about this thing! Recommend getting extra durable balls as the 1 included fell apart in 1 hour. I have a very energetic Lab retriever that we have to force to stop playing ball so he does not overheat. That & the force with which you can throw this ball did not help keeping it from splitting it in 2 in less than 1 hour. This is worth the money for the extra throwing power & distance but do invest in the ULTRA strong ball for dogs like retrievers! Also, be sure to order the correct SIZE OF BALL, specific to each different size of throwing wand. My fav thing about this item is #1 the joy my dog gets from the new challenge of racing to catch longer throws, & #2 I don't have to get my hands covered in dog slobber!! He has gotten to where he can almost put it in the cup himself so I won't waste time throwing the ball again! Man, I love that dog!!! ❤️
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Reviewed in the United States on November 1, 2023
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Stacy H
Los Angeles, US
★★★★★ 5
Must-Have for Active Dogs!
Style: Sport, Size: Large
The Chuckit Sport 26L Dog Ball Launcher has been a game-changer for my large dog! My 80-pound Labrador loves to play fetch, and this launcher makes it so much easier and more enjoyable for both of us. The 26” length gives me the leverage to throw the ball much farther than I could by hand, which really helps burn off my dog’s energy. The included large ball (3”) is the perfect size for big dogs, and I appreciate that it’s made from durable rubber, so it withstands a lot of chewing and rough play. What I really love is that the launcher is so lightweight and easy to use. I can play fetch with my dog for extended periods without my arm getting tired. The ergonomic handle also provides a comfortable grip, which is a nice touch. If you have a large, active dog, the Chuckit Sport 26L is a must-have. It’s well-made, durable, and makes fetch more fun for both you and your dog. Highly recommend!
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Reviewed in the United States on September 3, 2024
D
Verified Purchase
DD
Lake Worth, US
★★★★★ 5
ChuckIt is AMAZING!
Style: Sport, Size: Large
I can't throw a ball to save my soul. Just got this today and lobbed a ball to the far end of my 1- acre yard. The dog loves it, and I love it!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 8, 2026
S
Verified Purchase
Sean
Alexandria, US
★★★★★ 4
I recommend using the KONG Extreme Dog Toy
Style: Sport, Size: Large
Helpful for throwing as much as my dog wants to fetch. I actually had to get a cortisone injection in my shoulder a few months after getting my dog - never had a dog with this much energy before! The Chuckit really helps. Downside: The ball that comes with it is larger than a tennis ball, so may be too much for smaller doge. I can't imagine my sister-in-law's french bulldog carrying it! Also, in our house it gets destroyed within minutes, as my dog is a strong chewer. For this situation, I recommend using the KONG Extreme Dog Toy, Black, size Large. This is shaped sort of like a snowman, which means it bounces unpredictably at times. My dog eventually chews the "head" off of this toy, but the remaining 2/3 still fits in the Chuckit (and is actually easier to throw with the "head" missing!). One caveat: the KONG is significantly heavier than the ball included with the Chuckit, so be aware of that... Also, we ordered our first Chickit in October 2015, then needed to replace it in May of 2017, as it broke. I think the plastic became brittle over that time, as we left it out in the sun & rain in Florida. Since it is cheap to replace, that's not a big deal. (We ordered three Kong toys over that same period of time!) To summarize, it's a very helpful tool to get the ball further, faster, with less strain, than without it. Knowing there are alternatives to the included ball for heavy chewers makes it worthwhile.
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Reviewed in the United States on July 19, 2017
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DesertRoads
Battle Creek, US
★★★★★ 5
Great Ball Launcher!
Style: Sport, Size: Large
Our dogs love this ball launcher! I can throw the ball long distances without any arm strain. The balls wear out, and as described by others, tennis balls don’t fit. Buy extra balls if this is of concern. We bought a few of the “Chuck It” rubber 3” balls and they have worked well for our dogs. It’s a great value and fun for the dogs.
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Reviewed in the United States on March 28, 2025

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