VRF System Melbourne

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About VRF System

Variable Refrigerant Flow (VRF) is a refrigeration system that uses a variable-volume refrigerant circuit that can provide cooling efficiently to multiple zones or rooms in a building. In contrast to conventional systems, which use a fixed amount of refrigerant throughout the entire cooling system. VRF Air Conditioning System uses a variable amount of refrigerant fluid at different times and locations within the system.

In this way, the same volume of refrigerant can be used to cool more spaces by removing heat from them more slowly. This enables a building to reduce its energy consumption without sacrificing functionality or occupant comfort.

How does the VRF System work?

The VRF system contains several components that allow the system to work within the building electrical restrictions. The main component is the variable refrigerant flow (VRF) unit. This unit acts as a compressor, an evaporator and a condenser all in one. The only moving part of this unit is its internal fan which helps to circulate air throughout the building. The design of this unit allows it to run more efficiently by increasing the amount of time it takes for the refrigerant to change state. Conventional split systems typically compress their freon gas quickly, which increases their energy usage tremendously.

The other components that make up the VRF system are thermistors, programmable logic controllers (PLCs), expansion devices, and terminal units or expansion valves. The thermostat inside of the home tells the PLC what temperature it should be set at and how cool or warm it should get by whatever date. The PLC then communicates with the terminal unit or valve on what operations need to be made in order to achieve these set temperatures. These operations can include anything from turning off certain indoor fan speeds or changing which outdoor compressor is running depending on how hot or cold you want your house to get

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What are the running costs?

The running costs of a VRF system for home are lower than a traditional system. A VRF system runs on a fraction of the energy and uses a fraction of the space. The cost of running a conventional system is about 12% of the cost of the installation. Running a VRF system is about 1% of the cost of installation.

The savings come from heat recovery, which reduces the amount of heat lost to the environment (conventional systems lose up to 90% to heat loss) and improved efficiencies in transferring heat between zones (the temperature gradient is reduced).

Why should you choose a VRF system?

VRF systems are gaining popularity because of their efficiency while also helping to reduce energy consumption and greenhouse gas emissions. A VRF system uses less energy than multiple split systems due to reduced distribution pipe lengths and increased efficiency from reduced pressure loss. In addition, this cooling solution provides more consistent temperatures throughout the building while reducing humidity levels for better indoor air quality. A VRF system also reduces CO2 emissions because it operates with R32 refrigerant, which has an atmospheric lifetime of only 22 years as opposed to R410A, which has an atmospheric lifetime of 100 years.

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