Midea MULMI0619B 19 kW Multi Split - In-Depth Review

Major Benefits
Reviewing a specific air-conditioning model before finalising a purchase is an important step, particularly when the system is intended to serve multiple areas of a home. Once installed, a multi-split system becomes a long-term part of the property, which makes aspects such as capacity, layout suitability, efficiency and warranty relevant well beyond the initial buying stage.
The Midea MULMI0619B is a 19 kW multi-split system designed for residential applications where multiple indoor units are connected to a single outdoor unit. This review focuses exclusively on this model and examines how it is structured, where it is typically used, how it performs across different seasons and what should be understood around efficiency, warranty coverage and rebate eligibility.
Table of Contents
- Overview of the Midea MULMI0619B Multi Split System
- What Type of Homes Is the MULMI0619B Designed For?
- Key Features of the Midea MULMI0619B
- How Well Does It Perform in Summer?
- How Well Does It Perform in Winter?
- Is the Midea MULMI0619B Energy Efficient?
- Warranty Details
- Technical Specifications
- Is the Midea MULMI0619B Eligible for a Victorian Government Air Conditioner Rebate?
- Conclusion: Is This System the Right Fit for Your Home?
- Frequently Asked Questions
The Midea MULMI0619B is a 19 kW multi-split outdoor unit designed to support multiple indoor units from a single system. In simple terms, it allows multiple rooms or zones in a home to be cooled or heated using a single outdoor unit, rather than installing separate systems for each space.
Multi-split systems like this are commonly used in residential settings where:
- Multiple rooms need conditioning
- Outdoor space is limited
- A cleaner exterior appearance is preferred
- Zoning flexibility matters
The 19 kW capacity places this model in the medium-to-large residential category. It is not intended for small apartments or single-room use. Instead, it is built for homes where cooling and heating demand is spread across several areas, often operating simultaneously.
Not every home benefits from a multi-split system and not every multi-split system suits every layout. The MULMI0619B is designed for scenarios where cooling and heating needs extend beyond one or two rooms.
Medium to Large Residential Homes
Homes with multiple bedrooms, living areas or a combination of private and shared spaces often struggle with uneven comfort. A single split system may cool one area well, while leaving others under-conditioned. The MULMI0619B is built to distribute capacity across several rooms, allowing comfort to be managed more evenly.
Double-Storey Homes
Double-storey homes often experience temperature imbalance, with heat rising upstairs in summer and cold settling downstairs in winter. A multi-split system allows indoor units to be placed strategically across levels, reducing reliance on a single unit working overtime.
Homes with Limited Outdoor Space
In many modern builds and renovations, outdoor wall space is limited. Installing multiple outdoor units can be impractical or visually disruptive. A single outdoor unit serving multiple indoor units helps simplify installation and exterior design.
With a clear understanding of what the MULMI0619B is designed to do, the next step is to look at the specific features that define how the system operates in everyday use. Let’s look at the features that outline the core capabilities of the unit.
Designed to Cool and Heat Multiple Rooms from One System
At its core, the MULMI0619B is built to support upto six indoor units from a single outdoor unit. This allows different rooms to be conditioned without installing multiple outdoor systems. This means bedrooms, living areas and study spaces can all be connected to one system while maintaining individual comfort levels. For homes where several rooms are in regular use, this design reduces clutter outside and simplifies system management.
Adjusts Power Based on How Much Cooling or Heating Is Needed
Rather than operating at full output all the time, the system adjusts its performance based on demand. When fewer rooms are running or when temperatures stabilise, the system reduces output accordingly. This behaviour helps maintain steadier indoor temperatures and avoids the sharp on-off cycling associated with older fixed-speed systems. Over time, this approach supports better energy use and more consistent comfort.
Each Room Can Be Controlled Separately
Although powered by a single outdoor unit, indoor units operate independently. This means different rooms can be set to different temperatures or switched off entirely when not in use.
For households with varied schedules such as bedrooms used at night and living areas used during the day, this level of control helps avoid unnecessary energy use while keeping occupied spaces comfortable.
Built to Maintain Comfort Without Constant Noise
Noise is often overlooked until a system is installed. Multi-split systems must manage airflow and compressor activity across multiple zones, which can affect sound levels if not designed carefully.
The MULMI0619B is designed to operate smoothly under varying loads, helping reduce noticeable noise during regular operation. This matters particularly in bedrooms, studies and shared living areas where background noise can quickly become intrusive.
Control Options That Fit Modern Households
Modern air conditioning systems are expected to integrate into daily routines, not disrupt them. The MULMI0619B supports control systems that allow scheduling, temperature adjustment and zone management without constant manual input. Therefore, it is easier to align cooling and heating with occupancy patterns, rather than running the system continuously.
Helps Maintain Cleaner Indoor Air Across Living Spaces
While air conditioning systems are not air purifiers, filtration still plays a role in indoor comfort. The MULMI0619B supports filtration systems designed to capture common airborne particles, contributing to cleaner circulated air.
Occupies Limited Outdoor Space
By consolidating multiple zones into one outdoor unit, the system reduces external wall congestion and simplifies planning approvals in some residential settings. This feature is particularly valuable in townhouses, renovated homes and properties where exterior modifications are restricted.
With a 19 kW capacity, the MULMI0619B is designed to handle simultaneous cooling demands across several rooms. Rather than prioritising one space at the expense of others, the system distributes capacity dynamically based on demand. Hence, it prevents situations where one room cools quickly while another struggles to reach the set temperature. The system’s ability to modulate output also supports steadier cooling during prolonged heatwaves, rather than short bursts of high output followed by shutdowns.
Heating performance is equally important, particularly in regions where winters are cool rather than extreme. Multi-split systems must maintain output even as outdoor temperatures drop.
In heating mode, the MULMI0619B offers a heating capacity of 21.5 kW, giving it sufficient output to maintain comfort across multiple zones during colder months. This is particularly relevant in larger or double-storey homes where heat loss can vary significantly between rooms.
The higher heating capacity allows the system to respond effectively during colder mornings and evenings, while still modulating output as indoor temperatures stabilise. Instead of uneven heating or constant ramping up and down, the system is designed to deliver steady warmth across connected spaces, making it suitable for homes that rely on air conditioning as a primary heating solution.
With an EER of 3.42 for cooling and a COP of 4.15 for heating, the MULMI0619B sits in a sensible efficiency range for a multi-split system of this size. However, energy efficiency is also about how a system behaves across daily use, partial loads and seasonal changes.
The MULMI0619B is designed to:
- Adjust output based on demand
- Avoid unnecessary cycling
- Support zoning to reduce wasted energy
When fewer rooms are in use, the system reduces load rather than running at full capacity. Over time, this approach supports lower overall energy consumption compared to systems that lack modulation.
Warranty coverage plays a significant role in long-term ownership. In Australia, Midea provides warranty support through authorised distributors and installers, with coverage dependent on correct installation and servicing. For the MULMI0619B, this includes a 7-year warranty, provided the system meets standard installation and maintenance requirements.
For systems like the MULMI0619B, warranty typically applies when:
- Installation is carried out by a licensed professional
- The system is installed according to the manufacturer’s guidelines
- Regular servicing requirements are met
Before installation, it’s always advisable to confirm the warranty duration, coverage scope and service pathways directly with the supplier or installer, so expectations are clear from day one.
Yes, the Midea MULMI0619B is eligible under the Victorian Energy Upgrades (VEU) program, provided specific conditions are met.
Eligibility of the split system rebate typically depends on:
- Property location within Victoria
- Replacement of an existing inefficient system
- Installation by a VEU-accredited provider
- Use of an approved model listed under the program
While the system itself meets the efficiency criteria, final eligibility is assessed at the property and installation level. Requirements can vary based on the existing setup and installation scenario.
To confirm eligibility accurately, a system assessment through an accredited provider like EcoOrigin is recommended. This way you ensure that you are 100% eligible for air conditioner rebate and get maximum savings while switching to energy-efiicient air conditioner.
The Midea MULMI0619B 19 kW Multi Split system is designed for homes that need consistent comfort across multiple rooms, without the complexity of managing several outdoor units. Its strength lies in balanced performance, zoning flexibility and the ability to adapt to changing demand throughout the year.
That said, whether it is the right system depends on how a home is used. Homes with multiple occupied spaces, limited outdoor area and a need for centralised control are more likely to benefit from this type of setup. Smaller homes or properties with simpler requirements may not fully utilise their capacity.
Choosing the right system is less about maximum power and more about matching design to lifestyle.
If understanding the most suitable air conditioning solution for a specific home feels complex, a professional assessment can help align system choice with actual needs.
Is the Midea MULMI0619B suitable for residential use?
Yes. It is designed specifically for medium to large residential homes requiring multi-room cooling and heating.
Does this system support zoning?
Yes. Each connected indoor unit can be controlled independently.
Is it eligible for Victorian government rebates?
Yes, subject to meeting VEU program requirements and installation by an accredited provider.
Is Midea a reliable air conditioning brand in Australia?
Midea has an established presence in Australia with authorised distributors and installer support.
How many years of warranty do Midea air conditioners have?
Most modern air conditioners from Midea have 7 years of warranty.
