| 3rd Generation | 4th Generation |
---|---|---|
Max. Zones Offered | 4 | 5 |
Improved SEER Rating | 18K – 20 SEER 24K – 20 SEER 36K – 16 SEER |
18K – 22 SEER 24K – 20.5 SEER36K – 18 SEER |
DIY Pro Cable | ✓ | |
Warranty | 5-year limited parts warranty 7-year compressor warranty 1-year remote warranty for original registered owner |
5-year limited parts warranty 7-year compressor warranty Limited lifetime compressor warranty* |
*Rules and restrictions may apply
The Seasonal Energy Efficiency Ratio measure the efficiency of an air conditioner. The higher the SEER rating, the more efficiently the unit operates. MRCOOL’s new 4th GEN DIY single zone offers increased SEER ratings over their 3rd generation counterparts.
BTU Unit | 3rd Generation SEER Rating | 4th Generation SEER Rating |
---|---|---|
18K | 20 | 22 |
24K | 20 | 20.5 |
36K | 16 | 18 |
MRCOOL’s 12K single zone unit boasts a 22 SEER rating. The 12K, 18K, and 24K units come with an Energy Star certification.
*Please read more about MRCOOL's warranty policy on the MRCOOL webpage.
Their single-zone fourth generation units offer temperature control in rooms of various sizes, such as:
Their multi-zone units can control the temperature in up to 2, 3, 4, or 5 zones.
Another change they made is that the MrCool 4th generation does not offer as many complete systems as the 3rd generation. Instead, MrCool offers a configurator to help you choose the products you need. Just scroll about halfway down the page and select the button to begin configuring your system.
Check out the 4th generation of MRCOOL DIY mini split systems, including heat pump condensers, air handlers, and mini split systems at HomElectrical!
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