AO Smith offers 2 30 gallon water heaters models in the lineup we track. This page is the AO Smith-specific cut of the broader 30-Gallon Water Heaters water heaters category — same product class, narrowed to the AO Smith catalog only.
<p>AO Smith'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 AO Smith 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 AO Smith in water heaters</h2> <p>On warranty length...
For the complete AO Smith lineup across all sub-types and capacities, see the AO Smith Water Heaters hub.
If you're cross-shopping 30 gallon water heaters beyond AO Smith, the following brands also ship in this category:
The 30-gallon water heater is the small-household residential pick — 1–2 person households, ADUs, in-law suites, vacation cabins, manufactured homes, and small condos. Save $80–$150 upfront vs 40-gallon with adequate capacity for single-occupant or low-frequency use.
Explore AO Smith from other angles: