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Understanding 48,000 BTU Mini Split Systems
A 48,000 BTU mini split system delivers powerful heating and cooling for larger homes, multi-story layouts, or properties with high BTU demands. The outdoor condenser serves as the central power source, distributing capacity across multiple indoor air handlers to meet room-specific needs.
For example:
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A system may include (1) 18,000 BTU + (1) 18,000 BTU + (1) 12,000 BTU
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Or (2) 24,000 BTU air handlers for two large zones
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Or (4) 12,000 BTU air handlers for four separate rooms
Large systems require careful planning—use our Mini Split Sizing Guide to confirm your layout.
These systems allow you to:
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Cover up to 4-5 zones with a single outdoor unit
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Reduce equipment footprint compared to multiple separate systems
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Achieve whole-home comfort without ductwork
Best for larger homes, new construction, multi-zone retrofits, or properties where running ductwork is impractical or cost-prohibitive.
See full installation considerations in our Mini Split Installation Guide.
MRCOOL DIY 5th Gen 45,000 BTU 4-Zone Ductless Mini Split with Heat Pump | 9k+12k+12k+12k Ceiling Cassette | Covers 4 Rooms, Up to 1875 Sq Ft
$9,809.00-$11,249.00Discreet Comfort for Four Zones — MRCOOL DIY 5th Gen 45,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in four separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 45,000 BTU 4-Zone Ductless Mini Split with Heat Pump | 9k+9k+9k+18k Ceiling Cassette | Covers 4 Rooms, Up to 1875 Sq Ft
$9,818.00-$11,258.00Discreet Comfort for Four Zones — MRCOOL DIY 5th Gen 45,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in four separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 45,000 BTU 4-Zone Ductless Mini Split with Heat Pump | 6k+9k+12k+18k Ceiling Cassette | Covers 4 Rooms, Up to 1825 Sq Ft
$9,731.00-$11,171.00Discreet Comfort for Four Zones — MRCOOL DIY 5th Gen 45,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in four separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 48,000 BTU 4-Zone Ductless Mini Split with Heat Pump | 12k+12k+12k+12k Ceiling Cassette | Covers 4 Rooms, Up to 2000 Sq Ft
$9,820.00-$11,260.00Discreet Comfort for Four Zones — MRCOOL DIY 5th Gen 48,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in four separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 48,000 BTU 4-Zone Ductless Mini Split with Heat Pump | 9k+9k+12k+18k Ceiling Cassette | Covers 4 Rooms, Up to 2000 Sq Ft
$9,829.00-$11,269.00Discreet Comfort for Four Zones — MRCOOL DIY 5th Gen 48,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in four separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 48,000 BTU 4-Zone Ductless Mini Split with Heat Pump | 6k+12k+12k+18k Ceiling Cassette | Covers 4 Rooms, Up to 1950 Sq Ft
$9,742.00-$11,182.00Discreet Comfort for Four Zones — MRCOOL DIY 5th Gen 48,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in four separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 48,000 BTU 4-Zone Ductless Mini Split with Heat Pump | 6k+6k+18k+18k Ceiling Cassette | Covers 4 Rooms, Up to 1900 Sq Ft
$9,664.00-$11,104.00Discreet Comfort for Four Zones — MRCOOL DIY 5th Gen 48,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in four separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 39,000 BTU 5-Zone Ductless Mini Split with Heat Pump | 6k+6k+9k+9k+9k Ceiling Cassette | Covers 5 Rooms, Up to 1525 Sq Ft
$11,217.00-$13,017.00Discreet Comfort for Five Zones — MRCOOL DIY 5th Gen 39,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in five separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 39,000 BTU 5-Zone Ductless Mini Split with Heat Pump | 6k+6k+6k+9k+12k Ceiling Cassette | Covers 5 Rooms, Up to 1475 Sq Ft
$11,130.00-$12,930.00Discreet Comfort for Five Zones — MRCOOL DIY 5th Gen 39,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in five separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 42,000 BTU 5-Zone Ductless Mini Split with Heat Pump | 6k+6k+9k+9k+12k Ceiling Cassette | Covers 5 Rooms, Up to 1650 Sq Ft
$11,228.00-$13,028.00Discreet Comfort for Five Zones — MRCOOL DIY 5th Gen 42,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in five separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 42,000 BTU 5-Zone Ductless Mini Split with Heat Pump | 6k+9k+9k+9k+9k Ceiling Cassette | Covers 5 Rooms, Up to 1700 Sq Ft
$11,315.00-$13,115.00Discreet Comfort for Five Zones — MRCOOL DIY 5th Gen 42,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in five separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 42,000 BTU 5-Zone Ductless Mini Split with Heat Pump | 6k+6k+6k+12k+12k Ceiling Cassette | Covers 5 Rooms, Up to 1600 Sq Ft
$11,141.00-$12,941.00Discreet Comfort for Five Zones — MRCOOL DIY 5th Gen 42,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in five separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 42,000 BTU 5-Zone Ductless Mini Split with Heat Pump | 6k+6k+6k+6k+18k Ceiling Cassette | Covers 5 Rooms, Up to 1550 Sq Ft
$11,063.00-$12,863.00Discreet Comfort for Five Zones — MRCOOL DIY 5th Gen 42,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in five separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 45,000 BTU 5-Zone Ductless Mini Split with Heat Pump | 6k+9k+9k+9k+12k Ceiling Cassette | Covers 5 Rooms, Up to 1825 Sq Ft
$11,326.00-$13,126.00Discreet Comfort for Five Zones — MRCOOL DIY 5th Gen 45,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in five separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 45,000 BTU 5-Zone Ductless Mini Split with Heat Pump | 6k+6k+9k+12k+12k Ceiling Cassette | Covers 5 Rooms, Up to 1775 Sq Ft
$11,239.00-$13,039.00Discreet Comfort for Five Zones — MRCOOL DIY 5th Gen 45,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in five separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 45,000 BTU 5-Zone Ductless Mini Split with Heat Pump | 6k+6k+6k+9k+18k Ceiling Cassette | Covers 5 Rooms, Up to 1725 Sq Ft
$11,161.00-$12,961.00Discreet Comfort for Five Zones — MRCOOL DIY 5th Gen 45,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in five separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 45,000 BTU 5-Zone Ductless Mini Split with Heat Pump | 9k+9k+9k+9k+9k Ceiling Cassette | Covers 5 Rooms, Up to 1875 Sq Ft
$11,413.00-$13,213.00Discreet Comfort for Five Zones — MRCOOL DIY 5th Gen 45,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in five separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 48,000 BTU 5-Zone Ductless Mini Split with Heat Pump | 9k+9k+9k+9k+12k Ceiling Cassette | Covers 5 Rooms, Up to 2000 Sq Ft
$11,424.00-$13,224.00Discreet Comfort for Five Zones — MRCOOL DIY 5th Gen 48,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in five separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 48,000 BTU 5-Zone Ductless Mini Split with Heat Pump | 6k+9k+9k+12k+12k Ceiling Cassette | Covers 5 Rooms, Up to 1950 Sq Ft
$11,337.00-$13,137.00Discreet Comfort for Five Zones — MRCOOL DIY 5th Gen 48,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in five separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 48,000 BTU 5-Zone Ductless Mini Split with Heat Pump | 6k+6k+12k+12k+12k Ceiling Cassette | Covers 5 Rooms, Up to 1900 Sq Ft
$11,250.00-$13,050.00Discreet Comfort for Five Zones — MRCOOL DIY 5th Gen 48,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in five separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 48,000 BTU 5-Zone Ductless Mini Split with Heat Pump | 6k+6k+9k+9k+18k Ceiling Cassette | Covers 5 Rooms, Up to 1900 Sq Ft
$11,259.00-$13,059.00Discreet Comfort for Five Zones — MRCOOL DIY 5th Gen 48,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in five separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 48,000 BTU 5-Zone Ductless Mini Split with Heat Pump | 6k+6k+6k+12k+18k Ceiling Cassette | Covers 5 Rooms, Up to 1850 Sq Ft
$11,172.00-$12,972.00Discreet Comfort for Five Zones — MRCOOL DIY 5th Gen 48,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in five separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 39,000 BTU 6-Zone Ductless Mini Split with Heat Pump | 6k+6k+6k+6k+6k+9k Ceiling Cassette | Covers 6 Rooms, Up to 1375 Sq Ft
$12,333.00-$14,133.00Discreet Comfort for Six Zones — MRCOOL DIY 5th Gen 39,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in six separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 42,000 BTU 6-Zone Ductless Mini Split with Heat Pump | 6k+6k+6k+6k+9k+9k Ceiling Cassette | Covers 6 Rooms, Up to 1550 Sq Ft
$12,431.00-$14,231.00Discreet Comfort for Six Zones — MRCOOL DIY 5th Gen 42,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in six separate areas with the MRCOOL DIY 5th Gen...