WaterFurnace 5 Series · Indoor split
5 Series 500R11
Splits into the attic or crawl space and plays well with your furnace.
- 27.8
- EER cooling
- 4.6
- COP heating

Why this unit
The 500R11 is the retrofit specialist: a split unit whose air side tucks into an attic or crawl space, connected to your existing ductwork.
Keep your fossil furnace if you like. The Aurora controls automatically pick whichever heat source is cheaper to run at the moment, geothermal almost always, the furnace on the rare margin days.
Best for: Retrofits where the air handler must live in an attic or crawl space.
- Fits attics and crawl spaces
- Automatic dual-fuel source selection
- No outdoor equipment to weather or hide
- Aurora controls platform
Documentation
Spec sheets come with your proposal. Ask the designer for any manual on the spot.
Price a 5 Series 500R11 for your address
Free site visit, load calculation, and a fixed-price proposal with every incentive included.
Contact
Talk to a person, not a phone tree
Question about your system, a strange noise, or just want a second opinion on a proposal you got elsewhere? Write or call, a geothermal designer answers both.





