You are running a business, and you have a building of which you want to equip with an HVAC system. You discuss with your HVAC contractor who talks about many types of Commercial HVAC Systems options.

Two main goals you have in mind when choosing the right HVAC system are to:

  • Keep your employees and customers more comfortable.
  • Make the best investment in term of cost and space utilization.


Let us help you understand the differences between the main types of Commercial HVAC system in a simple way.



HVAC Split System

This is a very common system, and usually it is the most affordable. As the name indicates, it has split units. Usually, an indoor unit and an outdoor unit.

The traditional split system is the cheapest and easiest to install. It is used for smaller commercial buildings.

However, you need to consider whether you need a single split or multiple split.

The single split system

This system allows individual control of heating and cooling system, so if you need to control each room separately, this is ideal. But you need a separate outdoor unit for each space you want to control.

Multi-split system

On the other hand, in this system you can have several indoor units connected to one outdoor unit. This system has sensors to detect and adjust temperature as needed. But their installation is more expensive and complicated.

Another consideration point is ducted system vs. ductless system.

The ducted split system

The system requires ductwork throughout the building to connect the inside and outside parts. It is popular, and more effective choice. But requires proper expert ductwork, making it more expensive than ductless split system.

The ductless split system

It is easy to install, can be a cheaper option, and does not require ductwork. However, it is more appropriate for small offices and rooms.



VRF System or VRV System

The VRF stands for Variable Refrigerant Flow, while the VRV stands for Variant Refrigerant Volume.

These types of systems are appropriate for large buildings with mixed-use. In this case you can heat some spaces and cool some other spaces.

It is appropriate for medium to large office buildings or hotels for example.

The system is quick and easy to install, but expensive, and the whole system will be effected if the unit breaks down.

Again, there are two types of VRV system:

Heat pump system

Large multi-splits units that are more efficient for open spaces. They are used for either cooling or heat pumping.

Heat recovery system

Ideal for commercial space with several rooms. It saves more energy, and can cool and heat buildings simultaneously.



CAV System and VAV System

Although CAV system (Constant Air Volume) and VAV system (Variable Air Volume) are two different HVAC systems, but they work almost the same way.

CAV System

The CAV System is ideal for commercial spaces where temperature should remain the same for a long time. But it results in high energy cost. Also the humidity control in this system is poor.

VAV System

The VAV system is suitable for spaces with varying heating and cooling needs. It is energy-efficient and saves costs. And has superior control of humidity and temperature. But it is expensive to set up, and takes lots of space.


Key Considerations

There is no one ideal HVAC system, this depends on the air conditioning needs. The budget is another key consideration, make sure that you air conditioner will provide value for your money.

Consider making a comparison between system technologies, types, manufacturers, costs, and benefits.

Also, once the system is installed, keep in mind to ask your contractor for regular maintenance. You do not want to reach a point when you have to replace the system or significant parts of it because of poor maintenance.




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