DIY Select Single - Zone Mini Split Systems

MRCOOL DIY Select single-zone systems deliver affordable ductless heating and coolingwith true DIY installation. Featuring pre-charged QuickConnect line sets, invertertechnology, Wi-Fi connectivity, and R-454Brefrigerant, DIY Select makes reliable year-round comfort more accessible without the cost of professional installation.

Is a DIY Select System Right for Your Space?

A DIY Select mini split connects one outdoor unit to one indoor unit, providing efficientheating and cooling for a single room or area while keeping installation simple andaffordable.

Ideal for:

  • Budget-conscious homeowners
  • Bedrooms, home offices, and living spaces
  • Garages, workshops, and finished basements
  • Rental properties and vacation homes
  • Replacing window units or electric resistance heating
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 ✓ True DIY installation with QuickConnect technology.

Filter systems by room size, voltage, and efficiency to find the best match for your space.

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Why Homeowners Choose DIY Select Systems

  • Pre-charged DIY QuickConnect® line set included
  • No vacuum pump or refrigerant handling required
  • Inverter technology helps reduce energy consumption
  • Wi-Fi app control and smart home compatibility
  • Available in white or black indoor unit finishes
  • Uses future-ready R-454B refrigerant
  • Reliable heating and cooling for everydayspaces