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FrosthubUSA is now Cool Mini Splits. Same company, old name.

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Own and maintain

Straight answers before you buy: which MRCOOL line fits, what size each room needs, how multi-zone works, and what the install really takes and costs.

MRCOOL Mini Split Settings That Cut Your Power Bill Own and maintain · 5 min read MRCOOL Mini Split Settings That Cut Your Power Bill Which modes and setpoints to use on a MRCOOL DIY mini split, why you should leave it running, and the habits that... Where to Buy MRCOOL in 2026: Risks of Buying From the Wrong Seller Own and maintain · 5 min read Where to Buy MRCOOL in 2026: Risks of Buying From the Wrong Seller Why buying a MRCOOL DIY system from an authorized dealer protects your warranty, what MAP pricing means, and what to check before... MRCOOL App Setup: Connect Your Mini Split to Wi-Fi, Alexa and Google Own and maintain · 5 min read MRCOOL App Setup: Connect Your Mini Split to Wi-Fi, Alexa and Google How to connect a MRCOOL DIY mini split to Wi-Fi with the SmartHVAC app, add Alexa or Google, and fix the usual... MRCOOL DIY Warranty Compared (2026): Select vs EasyPro vs 5th Gen Own and maintain · 5 min read MRCOOL DIY Warranty Compared (2026): Select vs EasyPro vs 5th Gen Parts and compressor coverage for the DIY Select, EasyPro and 5th Gen compared, plus an honest look at whether the paid lifetime... MRCOOL Warranty Registration (2026): How to Register a DIY Mini Split Own and maintain · 5 min read MRCOOL Warranty Registration (2026): How to Register a DIY Mini Split The step-by-step way to register a MRCOOL DIY mini split online, what serial numbers and papers to have ready, and what to... How Long Do MRCOOL DIY Mini Splits Last? Lifespan and Warranty Years Own and maintain · 5 min read How Long Do MRCOOL DIY Mini Splits Last? Lifespan and Warranty Years A mini split usually lasts 10 to 15 years. Here is how that compares to warranty years on each MRCOOL DIY line... How to Clean a MRCOOL DIY Mini Split: Filters, Coil and Outdoor Unit Own and maintain · 5 min read How to Clean a MRCOOL DIY Mini Split: Filters, Coil and Outdoor Unit Step-by-step DIY mini split cleaning for MRCOOL units: monthly filters, a yearly coil clean, outdoor unit care and the signs you need...