The Brands Behind the Tank
Choosing a water heater brand feels overwhelming until you realize that the residential water heater market is more concentrated than most people think. Three manufacturers, Rheem, A.O. Smith, and American Standard, together account for the vast majority of water heaters installed in American homes. The other brands you see at big box stores are often made by these same companies under different labels.
After installing thousands of water heaters across the Tri-Valley, we’ve developed strong opinions about which brands hold up and which ones give us callbacks. Here’s what we install, what we recommend, and why.
Bradford White
Bradford White is a professional-grade manufacturer that does not sell through retail channels. You can’t buy a Bradford White water heater at Home Depot or Lowe’s. They sell exclusively through licensed plumbing contractors, which means every Bradford White unit is professionally installed.
That distribution model matters because it eliminates the most common source of water heater problems: improper installation. Every Bradford White unit we install comes with a factory warranty that remains intact because a licensed plumbing team did the work. There’s no gray area about whether the warranty is voided by a DIY installation.
Bradford White’s Defender Safety System on gas models uses a Honeywell gas valve and a factory-calibrated burner assembly that delivers clean, efficient combustion. Their Vitraglas lining (a proprietary enamel coating on the tank interior) has proven durable in our experience, with lower corrosion-related failure rates than competitors over the same timeframe.
We consider Bradford White our top recommendation for tank water heaters, and it’s the brand we install most frequently.
Rheem
Rheem is the largest water heater manufacturer in North America and produces units across every category: gas tank, electric tank, tankless, and heat pump models. Their ProTerra line of heat pump water heaters consistently ranks among the most efficient on the market, with Uniform Energy Factor (UEF) ratings exceeding 3.5 on some models.
Rheem sells through both professional and retail channels. The retail models (branded as Rheem or sold under store brands) use the same basic designs but may have different components than the professional-grade units sold through plumbing supply houses. When we install Rheem, we source the professional-grade models.
Their tankless gas units have improved substantially over the past five years. Earlier generations had reliability issues with the condensing heat exchangers, but the current line has been solid. Rheem’s LeakGuard technology on tank models includes a built-in leak detection system that shuts down the unit and activates an internal drain if it detects water where it shouldn’t be.
A.O. Smith
A.O. Smith has been manufacturing water heaters since 1936 and produces the Voltex line of heat pump water heaters, which was one of the first ENERGY STAR certified residential heat pump models on the market. Their commercial and residential product lines are extensive.
A.O. Smith sells through both retail and professional channels. Their retail presence is strong at Lowe’s, where they’re the primary water heater brand. Like Rheem, the professional-grade models may differ from the retail units in component quality and warranty terms.
We install A.O. Smith when a customer specifically requests it or when the project calls for a particular model that A.O. Smith offers in a configuration the other brands don’t match. Their product line is deep enough that there’s usually a fit for unusual installations.
Rinnai
Rinnai dominates the tankless water heater category. If you’re going tankless, Rinnai is the brand we reach for first. Their condensing tankless models extract so much heat from the exhaust gases that they can vent through PVC pipe instead of expensive stainless steel, which reduces installation cost.
Rinnai units have historically been among the most reliable tankless water heaters we install. The heat exchangers hold up well in the Tri-Valley’s moderately hard water, though we still recommend annual descaling to prevent mineral buildup from reducing flow rates over time.
Rinnai also produces combination boiler units that provide both space heating and domestic hot water from a single appliance. These are less common in the Bay Area’s mild climate but worth considering for homes undergoing a full mechanical system upgrade.
Navien
Navien is a South Korean manufacturer that’s gained significant market share in the tankless and combination boiler space. Their NPE-2 series condensing tankless units offer high efficiency (up to 0.96 UEF) and include a built-in recirculation pump that reduces wait time for hot water at distant fixtures.
The built-in recirculation feature is Navien’s strongest selling point. Most tankless water heaters require a separate pump and return line to deliver instant hot water. Navien builds the pump into the unit, simplifying installation and reducing the total system cost.
Brands to Approach With Caution
Some brands sold at retail home improvement stores are entry-level products designed to hit a price point. They use thinner tank walls, smaller anode rods, lower-grade gas valves, and shorter warranty periods. The upfront savings of $200 to $400 often translates to a unit that lasts 6 to 8 years instead of 10 to 12.
We don’t recommend buying a water heater based on price alone. The difference between a $650 retail unit and a $900 professional-grade unit is negligible when spread over a decade of daily use. The professional unit will likely last longer, run more efficiently, and cost less to maintain.
How We Choose What to Install
When a customer asks us to recommend a water heater, the conversation starts with their home and habits, not with a brand catalog. We consider household size, hot water demand patterns, the installation location, existing electrical and gas infrastructure, and budget. The brand recommendation follows from those answers.
Every water heater we install comes with a full manufacturer warranty, proper permitting and inspection, and our own labor warranty. We handle the complete installation, including removal and disposal of the old unit, all code-required upgrades, and help with any applicable rebates and tax credits.
Ready to replace your water heater? Contact Barnett Plumbing and Water Heaters or call (925) 294-0171 for a recommendation based on your home, not a sales pitch.
