Rinnai offers 1 energy star water heaters model in the lineup we track. This page is the Rinnai-specific cut of the broader Energy Star Certified Water Heaters water heaters category — same product class, narrowed to the Rinnai catalog only.
<p>Rinnai's water heaters lineup is one of the most-shopped in the category — and there are concrete reasons it stays that way year after year. This page is the complete index of every Rinnai water heaters model we currently track, with verified specifications, current Amazon pricing, aggregated ratings, and head-to-head comparison links against the strongest competitors in each price tier. Before you start filtering, the next several minutes will give you the context you need to make a confident pick.</p> <h2 id="brand-overview">About Rinnai in water heaters</h2> <p>Rinnai entered the water...
For the complete Rinnai lineup across all sub-types and capacities, see the Rinnai Water Heaters hub.
If you're cross-shopping energy star water heaters beyond Rinnai, the following brands also ship in this category:
Energy Star certified water heaters meet US EPA / DOE efficiency standards that qualify them for federal rebates, utility efficiency incentives, and state electrification programs. For 2026, Energy Star certification is the gateway to most rebates and tax credits — including the federal IRA 25C $2,000 heat pump credit, state utility rebates, and many local efficiency incentives.
Energy Star certifies water heaters by UEF (Uniform Energy Factor) thresholds that vary by fuel and capacity:
For the complete energy star buyer's guide (all brands, full comparison framework), see the Energy Star Certified Water Heaters category hub.
Explore Rinnai from other angles: