Cassette Ceiling Fan Coil Unit

Ceiling Cassette Fan Coil is one of the practical and best-selling types of fan coils, where the main unit is installed within a false ceiling, and its decorative panel is visible on the ceiling. Due to its minimal installation space and decorative appearance, it is widely used in modern buildings. Below, you will learn about the technical specifications, types, prices, capacities, and how to select ceiling cassette fan coils.

Professional Guide for Selecting and Pricing Ceiling Cassette Fan Coils

The cassette fan coil is a type of ceiling fan coil, usually manufactured and offered in capacities ranging from 300 to 1,500 CFM, and typically designed in three types: one-way, two-way, and four-way, with the four-way type providing the most uniform air distribution.
Installing a ceiling cassette fan coil requires a suitable false ceiling for placement and provision of water and electrical piping. These fan coils feature low-noise design and uniform air distribution, making them widely used in offices, hotels, commercial centers, and modern residential spaces.
Overall, cassette fan coils are the best option for spaces that prioritize aesthetic decor, uniform air distribution, and quiet operation.

Components and Operation of Ceiling Cassette Fan Coil

The main components and operation of cassette fan coils are similar to other fan coils; meaning the unit consists of a coil (heat exchanger) and a blower fan that passes the air over the coil to regulate its temperature.
Components such as the fan, coils, and other parts are housed within the cubic body of the unit, installed above the false ceiling, with air discharged from below into the room. Below is a detailed explanation of how each component of the cassette fan coil operates.

Main Components of a Ceiling Cassette Fan Coil:

1. Coil (Heat Exchanger): This part consists of copper pipes and aluminum fins, responsible for heat exchange between hot or cold water and the air passing through the fan. In summer, cold water flows through the coil; in winter, hot water flows through it.
2. Fan (Blower): A centrifugal or axial fan draws air from the room, passes it over the coil to cool or heat it, and then supplies the conditioned air into the space.
3. Air Filter: A washable filter located at the air intake, removing dust particles and impurities from incoming air.
4. Drain Pump: To remove condensation water during cooling, most cassette fan coils are equipped with a drain pump that directs water collected in the tray below the coil to the outside.
5. Drain Tray: Condensed water from humid air passing over the cold coil in summer is collected in this tray.
6. Thermostat or Controller: To regulate room temperature, fan speed, and operation mode (heating or cooling), wall-mounted thermostats or remote controllers are used.
7. Cubic Body: All internal components of the cassette fan coil are housed within a compact cubic metal body, installed flush inside the false ceiling. Only the bottom panel is visible.

Operation of the Cassette Fan Coil

When using a ceiling cassette fan coil, cold or hot water is sent from the central system (such as a chiller or boiler room) to the coil. The fan draws room air through the filter and passes it over the coil, where the air temperature decreases or increases. Then, the conditioned air is discharged uniformly from the vents in the bottom panel into the space.

Since this type of fan coil is ceiling-mounted, it occupies no floor or wall space, making it an ideal option for spaces where appearance matters or where space is limited.

Advantages of Ceiling Cassette Fan Coils

The advantages of ceiling cassette fan coils include the following:

• Low-noise operation
• Equipped with remote control
• Built-in drain pump
• Minimal installation space required
• High device capacity and efficiency
• Comfortable and uniform cooling and heating
• Equipped with a thermostat for temperature control
• Better air coverage, especially in four-way models
• Maintains interior decor due to installation in the false ceiling
• Suitable for large and crowded spaces due to wide airflow

Applications and Types of Ceiling Cassette Fan Coils

Ceiling cassette fan coils are primarily classified based on airflow distribution into three categories:

One-Way Cassette Fan Coil

This type distributes air in one direction only. One-way cassette fan coils are typically produced in lower capacities (200 to 800 CFM). They are more suitable for small spaces such as hotel rooms, small offices, small conference rooms, and residential units. Due to single-direction airflow, they are generally installed in corners or areas that do not require multi-directional air distribution.

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Two-Way Cassette Fan Coil

This model has air outlets on two sides of the unit and is usually available in capacities of 400 to 1200 CFM. Two-way cassette fan coils are ideal for long corridors, office halls, medium-sized shops, and areas requiring two-directional airflow. This model provides better air distribution compared to the one-way type and is more effective in rectangular environments.

Four-Way Cassette Fan Coil

This is the most widely used and common type of cassette fan coil, distributing air in four directions for maximum coverage. Typically produced in capacities from 600 to 2000 CFM, it is suitable for shopping centers, lobbies, large halls, open offices, restaurants, and large commercial spaces. The four-way cassette fan coil provides uniform airflow and superior performance even compared to other cassette types, cooling or heating the space quickly and evenly.

Two-Pipe and Four-Pipe Cassette Fan Coils

Another important consideration when selecting and purchasing ceiling cassette fan coils is whether the unit is a two-pipe or four-pipe system:

• Two-pipe fan coils have one supply and one return pipe and cannot provide simultaneous heating and cooling.
• Four-pipe fan coils are designed to provide both heating and cooling simultaneously, with two pipes dedicated to hot water and two pipes for cold water.

Some companies produce four-pipe fan coils. Iranian companies also provide these products as 4-pipe units based on customer requests. Due to the popularity and advantages of cassette fan coils, many leading Iranian and international brands design and manufacture them, including Goldiran, Saran, Tahvieh, and Green Fan Coil.

Calculating Ceiling Cassette Fan Coil Capacity

An important factor in selecting and purchasing ceiling cassette fan coils is determining the appropriate capacity. You can use the following approximate table for guidance:

Purchasing Ceiling Cassette Fan Coils

To use ceiling cassette fan coils, the building must have the necessary infrastructure for installation and operation. Ceiling installation requires a standard-height false ceiling and no ductwork. Customers meeting these conditions can proceed to purchase a ceiling cassette fan coil.
At Dematjihz specialized collection, technical information for dozens of ceiling cassette fan coil models from reputable brands with original warranties is provided to ensure a smart and optimal purchasing experience.

How to Choose the Right Cassette Fan Coil

Selecting the appropriate cassette fan coil requires simultaneous consideration of architectural conditions, required cooling and heating capacity, and technical specifications. The first step is to calculate the thermal load (cooling and heating) of each space based on area, usage, climate, sunlight exposure, number of occupants, and other factors. This calculation determines the required airflow capacity (CFM).

After determining capacity, attention must be paid to the piping system type. Two-pipe fan coils, capable of either cooling or heating at any time, are commonly used in most projects. In contrast, four-pipe models are more suitable for spaces that require simultaneous cooling and heating.

When choosing between one-way and four-way cassette fan coils, consider the shape and dimensions of the space:

• In rectangular or narrow spaces, one-way models are more suitable due to single-direction airflow.
• In square or open spaces, four-way models provide better performance due to uniform airflow in four directions.

Other factors affecting the selection of a suitable ceiling cassette fan coil include ceiling height and space above the false ceiling, required static pressure, pipe routing, build quality, noise level, filter type, control features (thermostat or remote), built-in drain pump, after-sales services, and manufacturer brand.

Ultimately, selecting a cassette fan coil should be fully coordinated with architectural and mechanical plans to ensure thermal comfort, energy efficiency, and ease of installation and maintenance.

Ceiling Cassette Fan Coil Price

The price of a cassette fan coil varies depending on brand, capacity, airflow type, and whether it is two-pipe or four-pipe. Based on your budget, you can choose the most suitable option from hundreds of ceiling cassette fan coil models available at Dematjihz.
All prices of cassette fan coils at Dematjihz are up-to-date and include any applicable consumer discounts, and are covered by the best price guarantee.

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