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Choosing the Air Conditioning System – A case study

One of my clients bought an apartment on paper.

The builder gives them preparation for a mini central unit.

The system will be installed after they get the keys

My clients have two options: to install a mini central unit ((מזגן מיני מרכזי or to upgrade to a VRF system. Let's see the pros and cons of the two options.

A mini central unit is a hidden unit that throws air in the rooms (through grids above the doors), in the kitchen, and living. In this option, all the apartment has the same temperature everywhere.

This option is relatively cheap. For a five rooms apartment, Israeli brands cost about 25000 NIS. Japanese brands cost about 40000 NIS.

The builder does all the preparations (electricity, drainage, connections to the roof). My clients will have to do on their expenses the a/c system, and the plaster works to lower the ceiling and hide the pipes.

The pro is the price; the con is that you cannot have different temperatures in a different part of the apartment, so if you are not using a room, you will have to cool it anyway.

Another option is a VRF system.

This system allows you to have different temperatures in different rooms. You can turn some units off and some on.

So, for example, if all of you are in the living room, you can cool only the living and turn off the bedrooms. Or if one kid is in his room, he can turn on his unit and choose the temperature he likes.

This way, there is a hidden unit (mini central unit) for the kitchen and the living (using the preparation made by the builder), and also there will be individual units in the rooms. These units can be hidden or not.

There will be two machines on the roof: one for the mini central unit and one for the rooms' units.

This option is more flexible. The builder will have to add electricity and drainage for the individual units that are not included in the original work.

The price of this system is higher than the other one, but it is also more efficient. Israeli brands cost about 40000 NIS, the Japanese cost about 60000.


For more details about the design service I offer to New Olim and people from abroad who want to renovate in Israel safely, click here:

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"Eight things to check before you hire a contractor in Israel" download it here for free:

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