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Four Zone Mini Splits

A Four Zone Mini Split HVAC system is a powerful and efficient solution for maintaining comfortable temperatures in four areas. It includes an outdoor unit and four indoor units that can be placed to suit your needs. With programmable settings, energy efficiency, and whisper-quiet noise levels, it provides optimal comfort and savings, making it perfect for larger residential or commercial spaces.
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42,000 BTU (3.5 Ton) 21 SEER / 21 SEER2 - M3 SERIES - Four Zone Ductless Mini-Split Heat Pump System
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3.5 Tons
Blueridge BMKH4221-9W-9W-12L-24W
Now $3,85900

$4,229.00

Savings: $370.00

Or as low as

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42,000 BTU (3.5 Ton) 21 SEER / 21 SEER2 - M3 SERIES - Four Zone Ductless Mini-Split Heat Pump System w/ WIFI
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3.5 Tons
Blueridge BMKH4221-9W-9W-12W-24F
Now $3,95900

$4,239.00

Savings: $280.00

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42,000 BTU (3.5 Ton) 21 SEER / 21 SEER2 - M3 SERIES - Four Zone Ductless Mini-Split Heat Pump System w/ WIFI
Clearance
3.5 Tons
Blueridge BMKH4221-9W-9W-12W-24W
Now $3,92900

$4,189.00

Savings: $260.00

Or as low as

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42,000 BTU (3.5 Ton) 21 SEER / 21 SEER2 - M3 SERIES - Four Zone Ductless Mini-Split Heat Pump System
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Blueridge BMKH4221-9W-9W-18C-18C
Now $3,94900

$4,489.00

Savings: $540.00

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42,000 BTU (3.5 Ton) 21 SEER / 21 SEER2 - M3 SERIES - Four Zone Ductless Mini-Split Heat Pump System
Clearance
3.5 Tons
Blueridge BMKH4221-9W-9W-18F-18F
Now $3,88900

$4,409.00

Savings: $520.00

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42,000 BTU (3.5 Ton) 21 SEER / 21 SEER2 - M3 SERIES - Four Zone Ductless Mini-Split Heat Pump System
Clearance
3.5 Tons
Blueridge BMKH4221-9W-9W-18L-18L
Now $3,72900

$4,229.00

Savings: $500.00

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42,000 BTU (3.5 Ton) 21 SEER / 21 SEER2 - M3 SERIES - Four Zone Ductless Mini-Split Heat Pump System
3.5 Tons
Blueridge BMKH4221-9W-9W-18W-18W
$4,12900
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42,000 BTU (3.5 Ton) 21 SEER / 21 SEER2 - M3 SERIES - Four Zone Ductless Mini-Split Heat Pump System
3.5 Tons
Blueridge BMKH4221-9W-9W-9F-18W
$4,05900
Or as low as

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42,000 BTU (3.5 Ton) 21 SEER / 21 SEER2 - M3 SERIES - Four Zone Ductless Mini-Split Heat Pump System
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3.5 Tons
Blueridge BMKH4221-9W-9W-9F-24F
Now $3,96900

$4,249.00

Savings: $280.00

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42,000 BTU (3.5 Ton) 21 SEER / 21 SEER2 - M3 SERIES - Four Zone Ductless Mini-Split Heat Pump System
3.5 Tons
Blueridge BMKH4221-9W-9W-9L-18W
$4,03900
Or as low as

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42,000 BTU (3.5 Ton) 21 SEER / 21 SEER2 - M3 SERIES - Four Zone Ductless Mini-Split Heat Pump System
Clearance
3.5 Tons
Blueridge BMKH4221-9W-9W-9L-24F
Now $3,94900

$4,229.00

Savings: $280.00

Or as low as

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42,000 BTU (3.5 Ton) 21 SEER / 21 SEER2 - M3 SERIES - Four Zone Ductless Mini-Split Heat Pump System w/ WIFI
3.5 Tons
Blueridge BMKH4221-9W-9W-9W-18W
$4,00900
Or as low as

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42,000 BTU (3.5 Ton) 21 SEER / 21 SEER2 - M3 SERIES - Four Zone Ductless Mini-Split Heat Pump System
Clearance
3.5 Tons
Blueridge BMKH4221-9W-9W-9W-24F
Now $3,91900

$4,199.00

Savings: $280.00

Or as low as

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42,000 BTU (3.5 Ton) 23 SEER ULTRA HEAT Four Zone Ductless Mini-Split Heat Pump System
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3.5 Tons
Blueridge BMKH42LM23UH-12W-12W-12W-18C
Now $5,00900

$5,279.00

Savings: $270.00

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42,000 BTU (3.5 Ton) 23 SEER / 16 SEER2 - M5 SERIES - ULTRA HEAT Four Zone Ductless Mini-Split Heat Pump System
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3.5 Tons
Blueridge BMKH42LM23UH-9F-12F-12F-24W
Now $4,80900

$5,549.00

Savings: $740.00

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42,000 BTU (3.5 Ton) 23 SEER / 16 SEER2 - M5 SERIES - ULTRA HEAT Four Zone Ductless Mini-Split Heat Pump System
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3.5 Tons
Blueridge BMKH42LM23UH-9F-12W-12F-24W
Now $4,89900

$5,399.00

Savings: $500.00

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42,000 BTU (3.5 Ton) 23 SEER / 16 SEER2 - M5 SERIES - ULTRA HEAT Four Zone Ductless Mini-Split Heat Pump System
Clearance
3.5 Tons
Blueridge BMKH42LM23UH-9F-12W-12W-24W
Now $4,98900

$5,249.00

Savings: $260.00

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42,000 BTU (3.5 Ton) 23 SEER / 16 SEER2 - M5 SERIES - ULTRA HEAT Four Zone Ductless Mini-Split Heat Pump System
Clearance
3.5 Tons
Blueridge BMKH42LM23UH-9F-9F-12W-24F
Now $5,02900

$5,309.00

Savings: $280.00

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42,000 BTU (3.5 Ton) 23 SEER / 16 SEER2 - M5 SERIES - ULTRA HEAT Four Zone Ductless Mini-Split Heat Pump System
Clearance
3.5 Tons
Blueridge BMKH42LM23UH-9F-9F-9W-24F
Now $4,98900

$5,269.00

Savings: $280.00

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42,000 BTU (3.5 Ton) 23 SEER / 16 SEER2 - M5 SERIES - ULTRA HEAT Four Zone Ductless Mini-Split Heat Pump System
Clearance
3.5 Tons
Blueridge BMKH42LM23UH-9F-9W-12W-24F
Now $4,97900

$5,259.00

Savings: $280.00

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42,000 BTU (3.5 Ton) 23 SEER / 16 SEER2 - M5 SERIES - ULTRA HEAT Four Zone Ductless Mini-Split Heat Pump System
Clearance
3.5 Tons
Blueridge BMKH42LM23UH-9F-9W-12W-24W
Now $4,94900

$5,209.00

Savings: $260.00

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42,000 BTU (3.5 Ton) 23 SEER / 16 SEER2 - M5 SERIES - ULTRA HEAT Four Zone Ductless Mini-Split Heat Pump System
Clearance
3.5 Tons
Blueridge BMKH42LM23UH-9L-12L-18L-18W
Now $4,89900

$5,259.00

Savings: $360.00

Or as low as

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42,000 BTU (3.5 Ton) 23 SEER / 16 SEER2 - M5 SERIES - ULTRA HEAT Four Zone Ductless Mini-Split Heat Pump System
Clearance
3.5 Tons
Blueridge BMKH42LM23UH-9W-12W-12F-24W
Now $4,84900

$5,349.00

Savings: $500.00

Or as low as

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42,000 BTU (3.5 Ton) 23 SEER / 16 SEER2 - M5 SERIES - ULTRA HEAT Four Zone Ductless Mini-Split Heat Pump System
Clearance
3.5 Tons
Blueridge BMKH42LM23UH-9W-12W-12W-24W
Now $4,93900

$5,199.00

Savings: $260.00

Or as low as

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What is a 4 Zone Mini Split?

A collage that shows a bedroom setting on left, a man with AC remote on sofa on right, Blueridge mini split system wall mount in between

A 4 zone mini split system is an innovative and efficient heating and cooling solution that provides tailored comfort to different areas of your home or business.

Unlike traditional HVAC systems that rely on ductwork to distribute air throughout a space, a four zone mini split operates without cumbersome ductwork, making it more efficient, very versatile and easy to install.

This multi zone (or quad zone) system consists of an outdoor unit connected to multiple indoor air handlers, which allows you to create up to four distinct zones in separate rooms or spaces, each with an individual temperature settings.

For homeowners, a four zone mini split offers the flexibility to maintain personalized comfort throughout various rooms of a house, accommodating each family members' temperature preferences and optimizing energy use.

With a 4 zone mini split, you can adjust the settings independently for each zone, ensuring that everyone enjoys their ideal indoor climate, whether they like to heat things up or cool things down.

Business owners can also benefit from the versatility of a 4 zone mini split.

In commercial spaces, different areas may have varying heating and cooling needs due to factors like occupancy, time of day, amounts of windows, and the layout of a space.

With a four zone system, you can efficiently manage temperature control in separate zones, enhancing everything from your employee's productivity to your customer's satisfaction.

Whether for residential or commercial use, a 4 zone mini split system offers energy-efficient operation, reduced energy loss, and quieter performance compared to traditional HVAC systems.

3 people in the lounge, violet chair and a wooden bookshelf, a conference style setup, and a man leading discussion with co-workers

What are the Best Features and Biggest Benefits of Ductless Four Zone Mini Split Systems

Ductless four zone mini split systems offer a wide range of standout features that set them apart as advanced and practical heating and cooling solutions for all sorts of homes and businesses.

Here are a few of the most impressive:

Multiple Styles and Options

 Ductless mini split systems come in various configurations to suit diverse needs.

While wall-mounted units are the most common, offering unobtrusive installation high on walls for even air distribution, ceiling cassette units are also very popular, as they can be discreetly mounted within the ceiling and provide increased airflow for larger spaces. Floor mounted units are another option and are great for areas with limited wall space. Each type caters to different room layouts and preferences, ensuring efficient and customized heating and cooling solutions.

Advanced Zoning Capability

4 zone mini split systems allow you to divide a larger living or working space into four distinct zones, each with its own indoor air handler and independent temperature control. This feature is particularly advantageous for homes with multiple bedrooms, open floor living areas, or commercial spaces with various usage requirements.

Whisper Quiet Operation

The indoor air handlers of four zone mini splits operate discreetly, providing comfort without disrupting your daily activities.

This is especially important in commercial settings where a peaceful and productive environment is crucial, or in larger families where multiple needs and activities may be occuring throughout the day.

This combination of zoning capabilities, energy efficiency, and quiet performance makes ductless four zone mini split systems an excellent investment for homeowners and business owners alike. By delivering personalized comfort while also minimizing energy usage, these systems offer a modern solution for maintaining optimal indoor air conditioning in various spaces.

What are the Most Common Uses for Four Zone Mini Splits

Four zone mini split systems are excellent ways to heat and cool many different types of homes and offices, in large part because of their versatility.

Every multi zone mini split has a distinct advantage over traditional HVAC systems because of their ability to be adjusted from room to room, but four zone mini splits are particularly useful for larger spaces requiring more personalized climate control than the smaller units can offer.

Here are some of the most common ways in which four zone mini splits are often used:

Larger Family Homes: In larger family homes, individual preferences for indoor temperature can vary widely. Four zone mini splits allow each family member to set their desired temperature in their bedrooms, ensuring everyone enjoys their optimal comfort level without affecting the entire house's climate.

Open-Concept Spaces: Open-concept living areas offer a stylish and modern design but can be challenging to heat or cool uniformly. With a four zone mini split, you can create different climate zones within the open space, ensuring everyone in the room remains comfortable.

Guest Rooms: Guest rooms might not be occupied all the time, but you still want them to be comfortable when guests arrive. With a four zone mini split, you can keep these rooms at a slightly lower temperature when they're unoccupied and adjust them when guests are staying over.

Home Offices: More people are working from home than ever before. A four zone mini split can help maintain a comfortable and productive work environment by allowing you to control the temperature of your home office without affecting the rest of the house.

spacious room with wide windows, a gray sofa, chandelier, and spiral staircase

Nurseries and Kids' Rooms: Babies and young children require consistent and comfortable room temperatures for sleep and play. With a four zone mini split, you can maintain the ideal climate in nurseries and kids' rooms, ensuring their comfort and well-being.

Home Gyms: Home gyms can become uncomfortably warm during intense workouts. A four zone mini split can help maintain a comfortable exercise environment by allowing you to control the temperature in the gym area without affecting the rest of the house.

  • Heats and Cools
  • Highly Efficient
  • Whisper Quiet
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Ductless
Mini-Split Systems

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A 4 Zone Mini Split Sizing Guide

When it comes to mini split air conditioners, the language of HVAC uses two key terms: BTU (British Thermal Units) and Ton.

In this context, Ton represents an AC system's heat removal capability, measured in BTUs per hour. For instance, a 1-ton mini-split removes or adds 12000 BTUs hourly, depending on whether it's cooling or heating. Both terms are used interchangeably in your mini-split search.

Breakdown of Capacity:

1.5 ton mini split 2 ton mini split 2.5 ton mini split 3 ton mini split 3.5 ton mini split 4 ton mini split
18000 BTU 24000 BTU 30000 BTU 36000 BTU 42000 BTU 48000 BTU

How to Find the Right Size Mini Split for Your Space

Whether you are looking for a single zone mini split or a multi zone system, following some basic steps will make it easier to decide which mini split system is right for you.

Step 1: Measure Your Space

Accurate sizing begins with knowing your square footage.

For a rectangular or square room, simply multiply the length by the width. The result provides you with a ballpark idea of how much cooling power (in tons or BTUs) your area needs.

For a four zone mini-split, calculate the square footage of each room if they vary. Different room sizes may demand smaller or larger air handler capacities.

The combined square footage for all rooms will give you a sense of the total capacity needed for your four zone system. Just remember that if you’re heating and cooling four differently sized spaces, you’ll want to look for air handlers that meet the capacity requirements of each room.

Step 2: Account for Variables

Factors such as ceiling height, windows, insulation, and local climate all influence size. Our helpful Ductless Mini-Split System Selector considers these details. We recommend consulting our HVAC experts to ensure the right fit for your space and budget.

At Alpine, we will work hard for your satisfaction!

How to Install a Four Zone Mini Split

Installing a ductless mini split system can be pretty straightforward compared to traditional (ducted) HVAC, since there are no ducts involved and the overall system instructions are easy to follow.

And while many mini split customers handle 90% of the setup independently, some may decide that bringing in a professional is worthwhile, particularly for larger systems that have more than one indoor unit.

For pro installation, we can help link you with licensed experts in your area.

If you need more information on installation options, see our article, “How to Install a Mini-Split in 4 Steps.”

Why Alpine Blueridge Mini Splits are Far Superior to the Rest

Alpine Home Air Products has been delivering happiness to heating and cooling customers since 2002.

As a company that stands firmly behind its products, Alpine only offers high-quality and affordable products and always with ultra-fast shipping at no charge.

Our focus on customer service shines through thousands of 5-star reviews and an A+ rating from the BBB.

Blueridge, our exclusive brand, is the highest-rated ductless mini-split on the market. We work closely with the top HVAC manufacturers worldwide to design a product that meets our strict guidelines.

Our focus on customer service shines through thousands of 5-star reviews and an A+ rating from the BBB.

Here's what you'll get:
  • Wholesale pricing
  • Fast, Free shipping
  • The outstanding Blueridge Ductless Mini-Split Warranty
Not only that, but you'll also get Alpine’s Premium Guarantee:
Ductless mini split

Are you ready to take your home or office's heating and cooling to a whole new level? Then reach out because our team is ready. Call, email or LiveChat with us today!

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