![]() There are several types of these systems that contractors discuss: heat recovery or heat pump, two-pipe or three-pipe, and air-cooled or water-cooled.Ī three-pipe VRF heat recovery system enables users to heat one zone while simultaneously cooling another. Department of Energy’s Energy Saver reports that more than 30% of energy consumption could be due to losses of cool air through ducts. Removing ducts from the equation is part of the increased energy efficiency. VRF systems can now be an ideal choice for commercial buildings and residential homes. The smaller pipes make it a bit easier to retrofit in older buildings than traditional HVAC systems.Īs technology advances, previous limitations are disappearing. In a VRF system, the refrigerant passes through condenser units to indoor units, cutting down on the need for extensive ductwork and air handlers. ![]() An air conditioning manufacturer sparked this innovation 40 years ago, and VRF refers to the general technology. ![]() VRV is a trademarked term that stands for variable refrigerant volume. What is the difference between VRF and VRV?īoth of these terms refer to the same technology. The VRF system diagram below shows refrigerant branch (RB) lines for cooling as well as single and group connections for individual and simultaneous cooling and heating. This versatility means VRF products are customizable to meet the specifications of virtually any project, making them particularly appealing for commercial spaces and facility managers. With inverter systems operating at lower speeds and capacity, the efficiency gains can be substantial. A non-inverter system ramps up the compressor at full capacity all the time. Inverter systems allow the compressor to ramp up or down based on the needs within each space. VRF systems obtain their high efficiency through the use of inverter compressors. VRF systems are considered either a heat pump system or a heat recovery system, which can heat and cool simultaneously. Unlike split AC equipment, VRF allows multiple indoor units to run on the same system, which is designed differently depending on the application. In a nutshell, VRF is a ductless, large-scale system for HVAC that performs at a high capacity. VRF stands for variable refrigerant flow, which goes a surprisingly long way toward describing how this system uses refrigerant for both air conditioning and heating. Learn more about this state-of-the-art HVAC solution, facts about how it works, and how your customers and your contracting business can benefit from VRF systems. But what exactly is the VRF meaning to HVAC contractors, builders and mechanical contractors, and how can you use it to grow your business? only since the early 2000s, VRF offers superior energy efficiency and the ability for a quick return on investment. ![]()
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