TLDR Review: A.O. Smith ProMax Plus 40 Gallon

Bottom Line

If you've got propane access and you're tired of waiting around for hot water, this A.O. Smith unit is basically the overachiever of water heaters—reviewers consistently praise its snappy performance and rock-solid reliability. At $753.29, we think you're getting solid value here, especially if you're upgrading from an older system. The real talk? This isn't a con exactly, but you'll definitely need a propane supply lined up, so make sure that's already part of your setup before you commit. Bottom line: if propane works for your situation, you've got yourself a dependable hot water solution that'll serve you well.