Choosing the Right Ceiling Mounted Aircon Units

Choosing the right ceiling mounted aircon units is crucial for a comfortable and energy-efficient home. There are various types of ceiling mounted aircon units, including ducted and ductless systems.

Ducted systems are ideal for large homes or commercial spaces, as they can distribute cooled air to multiple rooms. They are also more effective at removing humidity from the air.

Ductless systems, on the other hand, are better suited for smaller homes or apartments, as they are more compact and easier to install. They are also more energy-efficient and can be more cost-effective in the long run.

The size of the ceiling mounted aircon unit is also an important consideration, as it must be large enough to cool the entire space effectively. A unit that is too small may not be able to keep up with the cooling demands of the space, leading to reduced performance and increased energy bills.

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Ceiling mounted aircon units are a great option for larger spaces, especially server rooms. They provide a higher-powered cooling function than wall mounted units, making them ideal for computer and server rooms with two or more server racks of low density servers.

These units can be compact or ceiling cassette types, and the ceiling cassette air conditioner provides a higher kW cooling range and uses a ceiling void to hide the majority of the unit. Ceiling cassette type aircon units cover larger room areas and volumes than wall mounted units and can provide greater control of the air flow direction.

For server rooms, it's essential to maintain an ideal temperature range of 20-25˚C to provide a comfortable ambient range for technicians and engineers to work within and also to protect batteries (lead acid type) installed in any local UPS systems. The table below provides a guide for sizing a ceiling suspended air conditioner based on room size.

The ceiling mounted aircon units are designed to be compact and space-saving, with some units as short as 7-⅞" in height and 18-½" in width, making them perfect for small spaces.

The innovative discharge air louver design forces air to ground level, improving the overall space heating effect.

One of the standout features of these units is the adjustable airflow and throw, which can be customized to suit your room design using the remote controller.

The units are equipped with a DC-style Fan Motor and integrated Condensate Pump, which not only improve energy consumption but also reduce operating sound levels.

With 5 predetermined fan speeds, you can choose the perfect airflow for your comfort.

Here are some key features of the ceiling mounted aircon units:

The innovative "smooth finish" decoration panel design helps to minimize dust and dirt build-up and facilitates easier cleaning.

Ceiling mounted aircon units are a popular choice for server rooms due to their high-powered cooling function and ability to control air flow direction.

These units are ideal for larger rooms with two or more server racks of low density servers.

They come in compact or ceiling cassette types, with the latter providing a higher kW cooling range and using a ceiling void to hide the majority of the unit.

Ceiling cassette type aircon units cover larger room areas and volumes than wall mounted units, making them a great option for server rooms.

The ideal temperature range for a server room is 20-25˚C, which provides a comfortable ambient range for technicians and engineers to work within.

This temperature range also helps to protect batteries installed in local UPS systems.

To size a ceiling suspended air conditioner, several factors must be taken into account, including room size.

Here's a rough guide to help you estimate the air conditioner size you need:

Please note that this is a guide only and depends on the number of racks and their IT equipment loading.

The Mitsubishi Electric SLZ unit is a 2'x2' ceiling-mounted air conditioner heat pump that's perfect for new construction projects. It's designed to fit into a square space in the ceiling, but you'll need to do some carpentry work to accommodate its size.

The SLZ unit is ideal for spaces with 2x2 ceiling tiles, such as offices or finished basements. It's also a great option for big family rooms with tray ceilings, where you can get above the tray and install the unit.

For server rooms, the SLZ unit is not specifically mentioned as a suitable option, but ceiling cassette air conditioners are recommended for their higher cooling power and ability to cover larger room areas.

The Mitsubishi Electric MLZ Ductless Unit is designed to be an "easy fit" for most homes, especially those with ceiling joists that are typically 16 inches on center.

This unit is a type of ceiling-mounted air conditioner and heat pump that comes in different sizes and BTUs to suit various applications and room sizes.

The MLZ unit is built to fit into the spaces between ceiling joists, which are usually 14 and a half inches apart, leaving enough room for a smooth installation.

Mitsubishi Electric has designed the MLZ unit to take advantage of this common spacing, making it a convenient option for homeowners who want a ductless solution.

The Mitsubishi Electric SLZ Unit is a ceiling-mounted air conditioner heat pump that's perfect for large spaces. It's a 2'x2' unit that's designed to fit into a square hole in the ceiling.

These units are ideal for new construction, where you can frame them into the ceiling. However, for existing homes, some carpentry work may be required to accommodate the unit's size. The SLZ unit is 22 inches by 22 inches, which can be a bit tricky to fit into a 16-inch on-center ceiling joist space.

The SLZ unit is great for office spaces with 2x2 ceiling tiles, as well as finished basements with the same ceiling layout. It's easy to install, as it simply pops into a hole in the ceiling.

In terms of performance, the SLZ unit is phenomenal in large family rooms with tray ceilings. It has four-way blows, which allows it to suck in air from the middle of the return air and blow out from four different spots on the unit. This makes it perfect for big rooms with wide open spaces.

You can control the SLZ unit using a handheld remote control or the MHK2 wireless wall-mounted control. This allows you to program the unit and monitor its performance remotely.

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To install ceiling mounted aircon units, a hole needs to be cut into the ceiling, usually 33 inches long and 14.5 inches wide.

You'll need space above the unit for installation, which makes them a great fit for second-floor applications or bedrooms with attic space. They can also be installed on the first floor, but you'll need to ensure there's enough space from the ceiling to the second floor, ideally 10 inches.

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The unit has a built-in condensate pump that pumps water up and then drains it out, so you won't need to worry about water damage. However, the unit only has a one-way blow, so the air can only come out one way, and the length of the unit needs to match the direction of the ceiling joists.

The MLZ unit installation process involves recessing the unit into the ceiling, requiring a hole to be cut that's typically 33 inches long and 14.5 inches wide.

A significant amount of space above the unit is necessary for installation, making it ideal for second-floor applications or bedrooms with attic space.

To install on the first floor, you'll need to ensure there's enough space from the ceiling to the second floor, with a minimum of 10 inches clearance.

This might involve some exploratory work to check for pipes or other obstructions before cutting a hole or removing a recessed light.

Related reading: Floor Mounted Ac Unit

The MLZ unit has a built-in condensate pump that pumps water up and out, eliminating the need for a separate drainage system.

However, the unit's design means it only has a one-way blow, so the air can only come out one way, and the unit must be installed along the length of the ceiling joists.

This can be a bit restrictive in terms of installation flexibility, but it's a design compromise that allows for the unit's compact size and efficient operation.

When choosing the right installation option for your air conditioner, it's essential to consider the type of unit you need. Ceiling-mounted air conditioners, also known as split units or split ac units, consist of an in-room air conditioner unit and an externally mounted condenser and heat exchanger.

You can choose from various indoor unit options, including Concealed Floor-Standing Units and VISTA 2x2 Cassette Units for VRV. These units are designed to provide efficient cooling and can be installed in different locations, such as on the floor or in the ceiling.

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Here are some common indoor unit options:

In addition to these options, you can also consider HSP High Capacity Concealed Ceiling Units, which are designed for high-capacity cooling, and Wall-Mounted Units, which can be installed on walls for efficient cooling.

Installation by Certified Engineers is crucial for a smooth and hassle-free experience. Our experts can provide a free site survey and general advice at short notice.

A certified engineer is required to install the air conditioner to activate its manufacturer warranty. This warranty can last up to 7 years with suitable maintenance cover.

Having a certified engineer handle the installation ensures that the job is done correctly and efficiently.

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Ceiling mounted aircon units are designed to be sleek and unobtrusive, making them perfect for homes and offices with high ceilings.

These units are typically installed directly into the ceiling, providing a seamless look and feel. They can be mounted on a wall or suspended from the ceiling, depending on the installation requirements.

Ceiling mounted aircon units come in a range of capacities, from 2 to 12 kilowatts, making them suitable for rooms of various sizes. They can cool or heat spaces up to 200 square meters.

Their compact design allows them to be installed in tight spaces, such as above a kitchen or living room. They can also be installed in areas with limited floor space, such as apartments or small offices.

Some ceiling mounted aircon units are designed to be reversible, allowing them to provide both cooling and heating functions. This makes them ideal for use in areas with moderate temperatures.

In terms of maintenance, ceiling mounted aircon units are relatively easy to clean and maintain, with some models featuring washable filters. Regular cleaning can help improve airflow and efficiency.

Their installation is often more complex than other types of aircon units, requiring a professional to ensure proper installation and safety.

Indoor units are a crucial part of ceiling mounted aircon systems. They come in a variety of styles to suit different spaces and needs.

Concealed floor-standing units are a great option for rooms with high ceilings, like a big family room. These units are designed to be out of sight, providing a sleek and modern look.

You can also choose from different types of cassette units, such as the VISTA 2x2 Cassette Unit for VRV. This unit is designed for use with a VRV system and is perfect for larger spaces.

Floor-standing units are another option, offering a more traditional look and feel. They're great for rooms where a more discreet unit isn't necessary.

Some units, like the HSP High Capacity Concealed Ceiling Unit, are designed for high-capacity cooling. These units are perfect for larger spaces or for areas with high heat loads.

For smaller spaces, wall-mounted units are a great option. They're easy to install and provide a slim, unobtrusive profile.

Here are some of the different types of indoor units available:

These are just a few examples of the many different indoor units available. Be sure to choose the one that best suits your needs and space.