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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 48,000 BTU 5-Zone Ductless Mini Split with Heat Pump | 6k+6k+6k+12k+18k Wall Mounted | Covers 5 Rooms, Up to 1850 Sq Ft
$7,366.00-$9,166.00Custom Comfort for Five Zones — MRCOOL DIY 5th Gen 48,000 BTU Multi-Zone System Achieve perfect temperatures in five separate areas with the MRCOOL DIY 5th Gen 48k BTU 5-Zone...
MRCOOL DIY 5th Gen 48,000 BTU 5-Zone Ductless Mini Split with Heat Pump | 6k+6k+6k+6k+24k Wall Mounted | Covers 5 Rooms, Up to 1800 Sq Ft
$7,200.00-$9,031.00Custom Comfort for Five Zones — MRCOOL DIY 5th Gen 48,000 BTU Multi-Zone System Achieve perfect temperatures in five separate areas with the MRCOOL DIY 5th Gen 48k BTU 5-Zone...
MRCOOL DIY 5th Gen 48,000 BTU 5-Zone Ductless Mini Split with Heat Pump | 9k+9k+9k+9k+12k Wall Mounted | Covers 5 Rooms, Up to 2000 Sq Ft
$7,180.00-$8,980.00Custom Comfort for Five Zones — MRCOOL DIY 5th Gen 48,000 BTU Multi-Zone System Achieve perfect temperatures in five separate areas with the MRCOOL DIY 5th Gen 48k BTU 5-Zone...
MRCOOL DIY 5th Gen 39,000 BTU 6-Zone Ductless Mini Split with Heat Pump | 6k+6k+6k+6k+6k+9k Wall Mounted | Covers 6 Rooms, Up to 1375 Sq Ft
$7,180.00-$8,980.00Custom Comfort for Six Zones — MRCOOL DIY 5th Gen 39,000 BTU Multi-Zone System Achieve perfect temperatures in six separate areas with the MRCOOL DIY 5th Gen 39k BTU 6-Zone...
MRCOOL DIY 5th Gen 42,000 BTU 6-Zone Ductless Mini Split with Heat Pump | 6k+6k+6k+6k+9k+9k Wall Mounted | Covers 6 Rooms, Up to 1550 Sq Ft
$7,255.00-$9,055.00Custom Comfort for Six Zones — MRCOOL DIY 5th Gen 42,000 BTU Multi-Zone System Achieve perfect temperatures in six separate areas with the MRCOOL DIY 5th Gen 42k BTU 6-Zone...
MRCOOL DIY 5th Gen 42,000 BTU 6-Zone Ductless Mini Split with Heat Pump | 6k+6k+6k+6k+6k+12k Wall Mounted | Covers 6 Rooms, Up to 1500 Sq Ft
$7,337.00-$9,137.00Custom Comfort for Six Zones — MRCOOL DIY 5th Gen 42,000 BTU Multi-Zone System Achieve perfect temperatures in six separate areas with the MRCOOL DIY 5th Gen 42k BTU 6-Zone...
MRCOOL DIY 5th Gen 45,000 BTU 6-Zone Ductless Mini Split with Heat Pump | 6k+6k+6k+9k+9k+9k Wall Mounted | Covers 6 Rooms, Up to 1725 Sq Ft
$7,330.00-$9,130.00Custom Comfort for Six Zones — MRCOOL DIY 5th Gen 45,000 BTU Multi-Zone System Achieve perfect temperatures in six separate areas with the MRCOOL DIY 5th Gen 45k BTU 6-Zone...
MRCOOL DIY 5th Gen 45,000 BTU 6-Zone Ductless Mini Split with Heat Pump | 6k+6k+6k+6k+9k+12k Wall Mounted | Covers 6 Rooms, Up to 1675 Sq Ft
$7,412.00-$9,212.00Custom Comfort for Six Zones — MRCOOL DIY 5th Gen 45,000 BTU Multi-Zone System Achieve perfect temperatures in six separate areas with the MRCOOL DIY 5th Gen 45k BTU 6-Zone...
MRCOOL DIY 5th Gen 48,000 BTU 6-Zone Ductless Mini Split with Heat Pump | 6k+6k+9k+9k+9k+9k Wall Mounted | Covers 6 Rooms, Up to 1900 Sq Ft
$7,405.00-$9,205.00Custom Comfort for Six Zones — MRCOOL DIY 5th Gen 48,000 BTU Multi-Zone System Achieve perfect temperatures in six separate areas with the MRCOOL DIY 5th Gen 48k BTU 6-Zone...
MRCOOL DIY 5th Gen 48,000 BTU 6-Zone Ductless Mini Split with Heat Pump | 6k+6k+6k+9k+9k+12k Wall Mounted | Covers 6 Rooms, Up to 1850 Sq Ft
$7,487.00-$9,287.00Custom Comfort for Six Zones — MRCOOL DIY 5th Gen 48,000 BTU Multi-Zone System Achieve perfect temperatures in six separate areas with the MRCOOL DIY 5th Gen 48k BTU 6-Zone...
MRCOOL DIY 5th Gen 48,000 BTU 6-Zone Ductless Mini Split with Heat Pump | 6k+6k+6k+6k+12k+12k Wall Mounted | Covers 6 Rooms, Up to 1800 Sq Ft
$7,569.00-$9,369.00Custom Comfort for Six Zones — MRCOOL DIY 5th Gen 48,000 BTU Multi-Zone System Achieve perfect temperatures in six separate areas with the MRCOOL DIY 5th Gen 48k BTU 6-Zone...
MRCOOL DIY 5th Gen 48,000 BTU 6-Zone Ductless Mini Split with Heat Pump | 6k+6k+6k+6k+6k+18k Wall Mounted | Covers 6 Rooms, Up to 1750 Sq Ft
$7,579.00-$9,379.00Custom Comfort for Six Zones — MRCOOL DIY 5th Gen 48,000 BTU Multi-Zone System Achieve perfect temperatures in six separate areas with the MRCOOL DIY 5th Gen 48k BTU 6-Zone...
MRCOOL DIY 5th Gen 39,000 BTU-3-Zone Ductless Mini Split with Heat Pump | 9k+12k+18k Ceiling Cassette | Covers 3 Rooms, Up to 1625 Sq Ft
$8,192.00 – $9,272.00Discreet Comfort for Three Zones — MRCOOL DIY 5th Gen 39,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in three separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 42,000 BTU-3-Zone Ductless Mini Split with Heat Pump | 6k+18k+18k Ceiling Cassette | Covers 3 Rooms, Up to 1700 Sq Ft
$8,125.00 – $9,205.00Discreet Comfort for Three Zones — MRCOOL DIY 5th Gen 42,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in three separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 42,000 BTU-3-Zone Ductless Mini Split with Heat Pump | 12k+12k+18k Ceiling Cassette | Covers 3 Rooms, Up to 1750 Sq Ft
$8,203.00 – $9,283.00Discreet Comfort for Three Zones — MRCOOL DIY 5th Gen 42,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in three separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 45,000 BTU-3-Zone Ductless Mini Split with Heat Pump | 9k+18k+18k Ceiling Cassette | Covers 3 Rooms, Up to 1875 Sq Ft
$8,223.00 – $9,303.00Discreet Comfort for Three Zones — MRCOOL DIY 5th Gen 45,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in three separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 48,000 BTU-3-Zone Ductless Mini Split with Heat Pump | 12k+18k+18k Ceiling Cassette | Covers 3 Rooms, Up to 2000 Sq Ft
$8,234.00 – $9,314.00Discreet Comfort for Three Zones — MRCOOL DIY 5th Gen 48,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in three separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 39,000 BTU 4-Zone Ductless Mini Split with Heat Pump | 6k+9k+12k+12k Ceiling Cassette | Covers 4 Rooms, Up to 1575 Sq Ft
$9,700.00-$11,140.00Discreet Comfort for Four Zones — MRCOOL DIY 5th Gen 39,000 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 4-Zone Ductless Mini Split with Heat Pump | 9k+9k+9k+12k Ceiling Cassette | Covers 4 Rooms, Up to 1625 Sq Ft
$9,787.00-$11,227.00Discreet Comfort for Four Zones — MRCOOL DIY 5th Gen 39,000 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 4-Zone Ductless Mini Split with Heat Pump | 6k+6k+9k+18k Ceiling Cassette | Covers 4 Rooms, Up to 1525 Sq Ft
$9,622.00-$11,062.00Discreet Comfort for Four Zones — MRCOOL DIY 5th Gen 39,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in four separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 42,000 BTU 4-Zone Ductless Mini Split with Heat Pump | 9k+9k+12k+12k Ceiling Cassette | Covers 4 Rooms, Up to 1750 Sq Ft
$9,798.00-$11,238.00Discreet Comfort for Four Zones — MRCOOL DIY 5th Gen 42,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in four separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 42,000 BTU 4-Zone Ductless Mini Split with Heat Pump | 6k+12k+12k+12k Ceiling Cassette | Covers 4 Rooms, Up to 1700 Sq Ft
$9,711.00-$11,151.00Discreet Comfort for Four Zones — MRCOOL DIY 5th Gen 42,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in four separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 42,000 BTU 4-Zone Ductless Mini Split with Heat Pump | 6k+9k+9k+18k Ceiling Cassette | Covers 4 Rooms, Up to 1700 Sq Ft
$9,720.00-$11,160.00Discreet Comfort for Four Zones — MRCOOL DIY 5th Gen 42,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in four separate areas with the MRCOOL DIY 5th Gen...
MRCOOL DIY 5th Gen 42,000 BTU 4-Zone Ductless Mini Split with Heat Pump | 6k+6k+12k+18k Ceiling Cassette | Covers 4 Rooms, Up to 1650 Sq Ft
$9,633.00-$11,073.00Discreet Comfort for Four Zones — MRCOOL DIY 5th Gen 42,000 BTU Multi-Zone System with OuttaSight® Cassettes Achieve perfect temperatures in four separate areas with the MRCOOL DIY 5th Gen...