Rinnai's EnergySaver range features the Energysaver 309FT, which is their smallest model. Its compact size makes it a great fit for smaller rooms as it can fit into even the tightest spaces. Additionally, it boasts a room sealed power flue system with zero emissions, making it a suitable option for those with allergies or respiratory issues. The model also comes equipped with an inbuilt humidifier tray for added comfort, as well as full electronic thermostatic control, dual digital timers, preheat and economy modes, and a child lock to prevent unauthorized access.