Compact and space-saving, the VRV IV S-series systems are silent, so homeowners can enjoy the benefits of quiet operation. Precise temperature control allows every part of every room to be covered while, even under partial load conditions, these HVAC systems are extremely energy efficient. All 36,000, 48,000, and 60,000 Btu/h models run on single-phase technology to further reduce energy consumption. Plus, built-in diagnostics simplify maintenance and help ensure systems are serviced when needed.

Technology defines the VRV IV S-series in many ways.

Innovative technological features of the new HVAC systems include:

The most important feature of the VRV IV S-series, however, is its variable speed inverter. This intelligent compressor drive module operates much differently than A/C units with only simple on/off modes. A single-stage or two-stage system stops and starts throughout the day, which is inefficient and causes wide fluctuations in temperature from the setpoint.

By contrast, the Daikin inverter continuously adjusts based on the cooling or heating requirements of your space. This takes place automatically. Temperatures therefore consistently stay closer to the setpoint and less energy is used to repeatedly turn the system on and off. The Daikin inverter varies the speed of the unit as necessary, comparable to a light dimmer. Over traditional units without an inverter compressor, this can yield energy savings of up to 30%.