Ruud offers 5 condensing water heaters models in the lineup we track. This page is the Ruud-specific cut of the broader Condensing Water Heaters water heaters category — same product class, narrowed to the Ruud catalog only.
Ruud is a brand in the US water-heater market (parent: Rheem).
For the complete Ruud lineup across all sub-types and capacities, see the Ruud Water Heaters hub.
If you're cross-shopping condensing water heaters beyond Ruud, the following brands also ship in this category:
Condensing water heaters extract additional heat from the flue gas before exhausting it — increasing UEF efficiency from typical 0.62–0.67 (atmospheric) up to 0.84–0.97 (condensing). The technology requires sealed-combustion 2-pipe PVC venting and a condensate drain (the recovered heat condenses water vapor from the flue gas, which must drain to a floor drain or condensate pump).
For typical 3–4 person households on natural gas:
Condensing tank vs atmospheric tank: $80–$120/year savings. Over a 12-year...
For the complete condensing buyer's guide (all brands, full comparison framework), see the Condensing Water Heaters category hub.
Explore Ruud from other angles: