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Shop Mini Splits
Shop all mini splits Single-zone systems Multi-zone systems
- Shop systems
  DIY mini splits
  
  Professional-install systems
  
  Ceiling cassette systems
- Series & generation
  
  5th Gen DIY E-Star
  
  5th Gen DIY HyperHeat
  
  DIY Select · black & white
  
  EasyPro · 5th Gen EZPRO
  
  Olympus · pro install
  
  Advantage · pro install
- BTU size & voltage
  
  9,000 BTU
  
  12,000 BTU
  
  18,000 BTU
  
  24,000 BTU
  
  36,000 BTU
  
  115V systems
  
  208/230V systems
- Zones & indoor units
  
  2-zone DIY systems
  
  3-zone DIY systems
  
  4-zone DIY systems
  
  5-zone DIY systems
  
  6-zone DIY systems
  
  Wall-mount indoor units only
  
  Ceiling cassette units only
  
  Outdoor condensers only
Shop complete systems5th Gen DIY comfortShop complete E-Star single-zone systems.Shop E-Star systems →

Installation pathDesigned for DIY InstallationHomeowner-oriented systems with factory-precharged connection options.Shop DIY systems →Installation pathProfessional InstallationCompare Olympus and Advantage systems intended for traditional HVAC installation.Compare systems → Planning a complete system?Financing AvailableExplore payment options for a complete multi-zone purchase.View financing →

Need a custom combination?Build a DIY Multi-Zone SystemConfigure a system around your rooms.START BUILDING →
Shop Central HVAC
Shop central HVAC equipment Shop packaged units
- Shop equipment
  Dual fuel · heat pump + gas
  
  A/C + gas furnace systems
  Furnaces & gas packages
- Shop by series
  
  VersaPro · 2nd Gen
  
  HyperHeat · 2nd Gen
  
  Universal · 2nd Gen
  
  Signature Series
- Capacity & components
  
  2 ton · 24,000 BTU systems
  
  3 ton · 36,000 BTU systems
  
  5 ton · 60,000 BTU systems
  
  Air handlers · indoor only
  
  Condensers · outdoor only
  
  Electric heat strips
Explore central HVACWhole-home comfortExplore systems, equipment and installation options.Explore central HVAC →

Before you chooseInstallation Varies by ConfigurationSome eligible split systems offer precharged options; packaged, furnace, and traditional configurations follow professional-installation paths.Get selection help →Mix ducted & ductlessBuild a DIY Hybrid SystemPlan compatible ducted and ductless zones together.Open Hybrid Builder → Planning a whole-home purchase?Financing AvailableReview payment options for larger equipment purchases.Explore financing →

Sizing & planningManual J Load CalculatorEstimate heating and cooling loads before selecting equipment.Open Manual J →
Specialty HVAC
Comfort for the roadRV air conditioningTravelCool RV Air ConditioningRooftop cooling and supplemental heat-pump heating for RV applications.Explore TravelCool →
All-in-one HVACMonoblock Heat PumpsHeating and cooling without a separate outdoor unit.Shop Monoblock → Walk-in coolingCompact RefrigerationSelf-contained refrigeration for walk-in cooler and freezer applications.Explore Refrigeration → Large-space airflowIndustrial HVLS FansLarge-diameter fans for warehouses and other expansive spaces.Shop HVLS Fans →
Parts & Accessories
Search by model or part number Shop all replacement parts
- Replacement parts
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  Universal replacement parts
  
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  Fan motors
  
  Fan blades & blower wheels
  
  Sensors, switches & valves
- Installation essentials
  
  All installation accessories
  
  Line sets
  
  DIY precharged line sets
  
  Extension bundles
  
  Couplers & control wire
  
  Precharged line-set adapters
  
  Condenser mounts & pads
- Covers, drainage & controls
  
  Line-set cover kits
  
  Cover fittings & extensions
  
  Condensate pumps
  
  Drain systems & accessories
  
  Thermostats & controls
  
  Surge protection & electrical
  
  Tools, gauges & supplies
  
  Cleaners & maintenance
Replacement partsStart with your model numberShop genuine MRCOOL replacement parts. Confirm equipment details before ordering.Shop replacement parts →

Installation & accessoriesInstallation essentialsLine sets, mounting, kits, controls, and installation accessories.Shop accessories →
Build Your System
RecommendedPrimary configuration toolBuild a DIY Multi-Zone SystemBuild a matched MRCOOL DIY multi-zone system from zones through line-set lengths.Start building →
- System Builders
  
  Multi-Zone System Builder
  Hybrid System Builder
  Olympus System Builder
- Sizing Tools
  
  Mini-Split BTU Calculator
  Manual J Load Calculator
  HVAC Replacement & Sizing Guide
Sizing toolsFind the right sizeUse the BTU calculator or Manual J tools before choosing equipment.Start sizing → After you planExplore Payment OptionsAfter configuring and sizing your project, review available financing options.View financing →
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- View All Learning Center
Learn the basicsNew to MRCOOL? Start hereGet straightforward guides for choosing, planning, and installing your system.Start learning →
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Customer supportHow can we help?Contact our team, track an order, start a return, or find warranty help.Get help →
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What are you shopping for?

- Shop systems
  All mini splits
  Single-zone systems
  Multi-zone systems
  DIY mini splits
  
  Professional-install systems
  
  Ceiling cassette systems
- Series & generation
  
  5th Gen DIY E-Star
  
  5th Gen DIY HyperHeat
  
  DIY Select · black & white
  
  EasyPro · 5th Gen EZPRO
  
  Olympus · pro install
  
  Advantage · pro install
- BTU size & voltage
  
  9,000 BTU
  
  12,000 BTU
  
  18,000 BTU
  
  24,000 BTU
  
  36,000 BTU
  
  115V systems
  
  208/230V systems
- Zones & indoor units
  
  2-zone DIY systems
  
  3-zone DIY systems
  
  4-zone DIY systems
  
  5-zone DIY systems
  
  6-zone DIY systems
  
  Wall-mount indoor units only
  
  Ceiling cassette units only
  
  Outdoor condensers only
Shop complete systems5th Gen DIY comfortShop complete E-Star single-zone systems.Shop E-Star systems →

Installation pathDesigned for DIY InstallationExplore homeowner-oriented mini splits with factory-precharged connection options.Shop DIY systems →Installation pathProfessional InstallationCompare Olympus and Advantage systems intended for traditional HVAC installation.Compare systems → Planning a complete system?Financing AvailableExplore payment options for a complete multi-zone purchase.View financing →
Need a custom combination?Build a DIY Multi-Zone SystemChoose zones, indoor units and line-set lengths for your project.START BUILDING →
- Shop equipment
  Central heat pumps & equipment
  Dual fuel · heat pump + gas
  
  A/C + gas furnace systems
  Packaged HVAC units
  Furnaces & gas packages
- Shop by series
  
  VersaPro · 2nd Gen
  
  HyperHeat · 2nd Gen
  
  Universal · 2nd Gen
  
  Signature Series
- Capacity & components
  
  2 ton · 24,000 BTU systems
  
  3 ton · 36,000 BTU systems
  
  5 ton · 60,000 BTU systems
  
  Air handlers · indoor only
  
  Condensers · outdoor only
  
  Electric heat strips
Explore central HVACWhole-home comfortExplore systems, equipment and installation options.Explore central HVAC →

Before you chooseInstallation Varies by ConfigurationSome eligible split systems offer precharged connection options. Packaged, furnace, and traditional configurations follow professional-installation paths.Get selection help →Mix ducted & ductlessBuild a DIY Hybrid SystemPlan compatible ducted and ductless zones together.Open Hybrid Builder → Planning a whole-home purchase?Financing AvailableReview payment options for larger equipment purchases.Explore financing →
Sizing & planningManual J Load CalculatorEstimate heating and cooling loads before selecting equipment.Open Manual J →
- Replacement parts
  All replacement parts
  DIY Series replacement parts
  
  Universal replacement parts
  
  Control boards
  
  Fan motors
  
  Fan blades & blower wheels
  
  Sensors, switches & valves
- Installation essentials
  
  All installation accessories
  
  Line sets
  
  DIY precharged line sets
  
  Extension bundles
  
  Couplers & control wire
  
  Precharged line-set adapters
  
  Condenser mounts & pads
- Covers, drainage & controls
  
  Line-set cover kits
  
  Cover fittings & extensions
  
  Condensate pumps
  
  Drain systems & accessories
  
  Thermostats & controls
  
  Surge protection & electrical
  
  Tools, gauges & supplies
  
  Cleaners & maintenance
Replacement partsStart with your model numberShop genuine MRCOOL replacement parts. Confirm equipment details before ordering.Shop replacement parts →

Installation & accessoriesInstallation essentialsLine sets, mounting, kits, controls, and installation accessories.Shop accessories →
- System Builders
  Multi-Zone System Builder
  Hybrid System Builder
  Olympus System Builder
- Sizing Tools
  Mini-Split BTU Calculator
  Manual J Load Calculator
  HVAC Replacement & Sizing Guide
RecommendedPrimary configuration toolBuild a DIY Multi-Zone SystemBuild a matched MRCOOL DIY multi-zone system from zones through line-set lengths.Start building →

Sizing toolsFind the right sizeUse the BTU calculator or Manual J tools before choosing equipment.Start sizing → After you planExplore Payment OptionsAfter configuring and sizing your project, review available financing options.View financing →
Learn the basicsNew to MRCOOL? Start hereGet straightforward guides for choosing, planning, and installing your system.Start learning →
- Customer Support
  Contact Us
  Shipping & Tracking
  Warranty
  Start a Return
- Programs & Policies
  Pro Contractor Program
  Price Match Guarantee
  Financing
Customer supportHow can we help?Contact our team, track an order, start a return, or find warranty help.Get help →

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USA's Most Trusted MRCOOL Dealer – Free Shipping On Systems*

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MRCOOL DIY DIRECT / LIMITED-TIME PROJECT PACKS

5th Gen E-Star Single-Zone Project Packs

Complete 5th Gen E-Star single-zone systems with LineGuard and a Care Kit. Choose one system or a package for several spaces. Standard freight included on buy-now packages.*

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