MrCool Multi-Zone Mini Split Systems: Cool Your Whole Home

One outdoor condenser powers 2-6 indoor units. Each room gets independent temperature control. Perfect for whole-home cooling, multi-story homes, offices, and rental properties.

Multi-Zone Condensers

Choose your outdoor unit based on how many rooms you need to cool

18K BTU: 3 Zone

18,000 BTU | Up to 3 Air Handlers | 230V
$1,899

Perfect for small homes, apartments, 2-3 rooms

27K BTU: 4 Zone

27,000 BTU | Up to 4 Air Handlers | 230V
$2,499

Mid-size homes, 3-4 bedrooms

MOST POPULAR

36K BTU: 5 Zone

36,000 BTU | Up to 5 Air Handlers | 230V
$3,299

Whole-home comfort for most California homes

48K BTU: 6 Zone

48,000 BTU | Up to 6 Air Handlers | 230V
$4,199

Large homes, commercial spaces

55K BTU: 6 Zone

55,000 BTU | Up to 6 Air Handlers | 230V
$4,899

Maximum capacity for large spaces

Air Handlers

Choose the right indoor units for each room. Wall mount or ceiling cassette

Wall Mount Air Handlers

ModelBTUBest ForPrice
6K BTU Wall Mount6,000Small bedrooms, bathrooms$449
9K BTU Wall Mount9,000Bedrooms, offices (up to 250 sq ft)$499
12K BTU Wall Mount12,000Living rooms, master bedrooms (up to 350 sq ft)$549
18K BTU Wall Mount18,000Large rooms, open areas (up to 550 sq ft)$699
24K BTU Wall Mount24,000Large spaces, additions (up to 750 sq ft)$849
36K BTU Wall Mount36,000Very large spaces (up to 1,000 sq ft)$1,099

Ceiling Cassette Air Handlers

ModelBTUBest ForPrice
9K BTU Ceiling Cassette9,000Offices, commercial spaces$799
12K BTU Ceiling Cassette12,000Restaurants, retail, conference rooms$899
18K BTU Ceiling Cassette18,000Large commercial spaces, open offices$1,099

Build Your System

3 simple steps to whole-home comfort

1

Pick Your Condenser

Count your rooms and choose a condenser that supports enough zones. The total BTU should cover all rooms combined.

2

Choose Air Handlers

Pick a wall mount or ceiling cassette for each room. Match the BTU to the room size. The total air handler BTU should not exceed the condenser BTU.

3

Add Installation

Add professional installation or DIY it yourself. Our team handles multi-zone installs daily. View installation pricing.

Need help sizing your system? Call (818) 350-9083. We'll design the perfect system for your home.

Multi-Zone vs. Multiple Single-Zone Units

FactorMulti-Zone SystemMultiple Single-Zone Units
Outdoor Units1 condenser (saves space)1 condenser per room
Cost (4 rooms)~$4,500-$5,500~$9,400-$13,300
InstallationMore complex, but one-time setupSimpler per unit, more wall penetrations
Independent ControlYes, each zone independentYes, each unit independent
If One Unit FailsMay affect all zonesOnly one room affected
Best ForWhole-home, new construction, limited outdoor spaceAdding AC to individual rooms over time

Multi-Zone for Contractors & Property Managers

Multi-zone systems are ideal for rental properties, Airbnbs, offices, and commercial spaces. One outdoor unit means less visual clutter, and independent zone control keeps tenants happy.

🏘️

Rental Properties

Give each unit independent temperature control with one outdoor condenser. Tenants love it, and you save on install costs.

🏨

Airbnb / Vacation Rentals

5-star guest comfort with zone control. Each bedroom gets its own thermostat. Better reviews = more bookings.

🏢

Office Spaces

Keep every office comfortable without arguments over the thermostat. Ceiling cassettes for a clean, professional look.

Contractor Bulk Pricing

Browse & Buy Multi-Zone Systems

Shop our full catalog. Add to cart and request installation in one step

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DIY 5th Gen

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Central Ducted

From $4,499

Installation

From $1,299

Cool Your Whole Home

Multi-zone systems starting at $1,899. Free delivery. Professional installation available.