As the upgrade to our highly successful Envision Series, the 5 Series represents some of our best features and efficiencies yet. The 500A11 provides forced air heating, air conditioning, and even generates a portion of your home's hot water - all from a single unit that offers a level of comfort and savings that's far greater than any ordinary system. Available in many sizes and configurations, the 500A11 provides exceptional performance, versatility, and quiet operation. All 5 Series products utilize environmentally friendly R-410A refrigerant and the best in system components, including the next generation of WaterFurnace controls - Aurora. Aurora controls provide two-way communication between components for the ultimate in performance and troubleshooting capabilities. The 5 Series upholds the standards we've set over three decades and the trust associated with the WaterFurnace name. Every unit is computer run-tested to ensure flawless performance at start-up - and in the unlikely event of a malfunction, they're backed by the best warranties in the industry. Choose a geothermal system that's Smarter from the Ground Up.
Reduce your carbon footprint and utility bills at the same time. WaterFurnace geothermal systems use the free, renewable energy found in your own back yard to save up to 70% on heating, cooling, and hot water costs.