Introducing MRCOOL 4th Generation DIY Mini Splits

by Pete Lader June 09, 2022

You might have heard that MRCOOL has released the 4th Generation Series of their famous DIY Mini Splits just before summertime!

As one of MRCOOL's closest partners, we wanted to take some time to highlight in this article:

  1. Benefits of the new 4th Generation
  2. Breakdown of 4th Generation Combinations
  3. Our Recommendations!

Shop the 4th Gen Series Now!

What's new with 4th Gen?

Improved SEER Ratings! Efficiency is instrumental in HVAC systems and MRCOOL has improved the SEER Rating on the Energy Star Rated Single Zone Units.

3rd vs. 4th Gen SEER Ratings

More Zones. The 4th Gen Line introduces two new Outdoor Units / Condensers, one with 18K BTUs and one with 48K BTUs. MRCOOL DIY Systems is now compatible with 5 Zones with the new 48K Condenser. You can cool down and heat up to 5 rooms so you can find the perfect temperature year-round in your home!

With the new 18K 2-Zone Condenser, it makes buying the two 9K Mini Split much more affordable than previous generations...no wasted BTU output! 

Ceiling Cassettes. The 4th Gen Mini Splits now offer air handlers that can be installed in your ceiling. Take a look at your options here! You can also mix and match ceiling cassettes and wall mount air handlers to one condenser. If you need a customized mini split, you can always contact one of our HVAC experts via chat or phone.

Best In Class Warranty. Lifetime Warranty? Yes Please! You are now eligible for a limited lifetime warranty on MRCOOL 4th Generation Condensers*:

  • A limited lifetime warranty
  • 7 Year replacement warranty

The Standard Warranty comes with a 5 Year Limited Warranty.

*Read more in the MRCOOL Warranty PolicyThe unit must be registered within 60 days of the installation date and the original, registered owner must also enroll in the MrCool Care program within 4 months from the installation date, which has an biannual fee to be covered by the owner

New Communication Cables! The new DIY Pro™ Cable, which is included in most new Mini Splits, provides the highest protection and durability against weather, gardening and wildlife factors!

The DIY Pro™ Cable eliminates the need for electrical conduit, leading to higher mechanical protection and durability. 

The Thick & Protective Conduit protects from:

  • Unpleasant and Extreme Weather
  • Animals that may chew, bite or otherwise touch the cables!
  • Day to Day Yard Work

This will ensure your DIY Mini Split System will last a long, long time and have zero disruptions to perfect air!

MRCOOL DIY Pro™ Cable

The 4th Generation also continues to be the most innovating Mini Split System with even more incredible benefits:

Easiest DIY Installation. The MRCOOL Linesets, available in 16', 25', 35' and 50', each MRCOOL pre-charged lineset allow you to install this ductless system without special equipment, time or training. Also, you won't have to vacuum the linesets whatsoever.

Most Affordable DIY System. MRCOOL has spent all the hard work, energy and money creating their DIY Mini Splits so YOU don't have to spend your hard-earned money on an expensive, outdated systems that require a licensed HVAC technician to install. This saves hundreds or even thousands of dollars of your money!

Low Ambient Cooling. This feature makes the MRCOOL DIY® the ideal system for server rooms, greenhouses, and any other application that requires cooling all year.

4th Gen Combinations

Let's review the options MRCOOL offers that can heat or cool almost any American household!

Choose your Outdoor Unit / Condenser

  • 18K - up to 2 Zones
  • 27K - up to 3 Zones
  • 36K - up to 4 Zones
  • 48K - up to 5 Zones

Choose your Indoor Unit(s) / Air Handler(s)

  • 9K - covers 375 square feet
  • 12K - covers 500 square feet
  • 18K - covers 750 square feet
  • 24K - covers 1,000 square feet
  • 36K - covers 1,600 square feet

Choose your Linesets

  • 16 Feet
  • 25 Feet
  • 35 Feet
  • 50 Feet

If you need extra length, simply add a coupler and the desired additional lineset(s). 

Shop the 4th Gen Series Now!

For all combinations, please check the Summary Below:

4th Generation Summary

Our Recommendations

2 Zones/Rooms

3 Zones/Rooms

4 Zones/Rooms

5 Zones/Rooms

Have More Questions? Leave a Comment or find us here:

Call Us: 800-805-7102
Email Us: [email protected]

2 comments

  • Can I order directly from u?

    Ken on

  • I have a LG mini split now that just broke down! Reading about MRCOOL and love the ability to connect through the app and cool 5 zones. I have a decent sized home and I think we are going with the new 4th Gen…summer is around the corner and I don’t want feel like spending $8K on installation haha

    Rory G on

Leave a comment

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