Future-proof your home with the Rinnai Ducted Reverse Cycle Inverter (DRCi) 18kW System. Delivering powerful heating and cooling across your entire home through discreet ceiling diffusers, this advanced system ensures consistent comfort in every season. With Wi-Fi control available and energy-efficient DC Inverter technology, the Rinnai 18kW unit combines performance, quiet operation, and smart convenience all backed by Rinnai’s trusted warranty.