Understanding Hot Water Heaters: Installation, Brands, and Pricing

Hot water heaters are an essential part of every home, supplying hot water for bathing, cooking, cleaning, and in some cases, space heating. They come in several types — traditional tank storage, tankless, solar, and heat pump — each with its own advantages and trade-offs. This guide covers what you need to know about installation, popular brands, and what to expect to pay, so you can make a confident decision for your home.

Types of Hot Water Heaters

Tank Storage Water Heaters: The most common type in U.S. homes, these units store and continuously heat a reservoir of water so it's ready on demand. They can run on electricity, natural gas, propane, or oil, and are generally the least expensive option to purchase and install.

Tankless Water Heaters: Also called on-demand heaters, these units heat water only when a tap is opened, eliminating standby heat loss. They tend to cost more upfront and may require upgraded gas lines or electrical service, but they deliver long-term energy savings and never run out of hot water mid-shower.

Solar Water Heaters: These systems use rooftop solar collectors to absorb heat and transfer it to water in a storage tank. They are the most energy-efficient option available and can dramatically reduce utility bills, but they carry a higher initial cost and depend on adequate sunlight — a backup heating element is typically included for cloudy days.

Heat Pump Water Heaters: These units extract heat from surrounding air and transfer it to the water, using significantly less electricity than a standard electric tank heater. They work best in climates that stay above freezing year-round and require adequate surrounding space for airflow, but they offer some of the lowest operating costs of any electric option.

H3 Plumbing & Drains is the go-to resource in Spartanburg for your hot water heater needs. Visit our water heater service page to schedule an appointment. We can get the job done quickly and efficiently to get your hot water back as soon as possible.

Installation Considerations

Professional vs. DIY: While a handy homeowner can replace a like-for-like electric tank heater, professional installation is strongly recommended for gas models, tankless systems, and any installation that requires new venting, upgraded wiring, or gas line modifications. Incorrect installation creates safety hazards and may void the manufacturer's warranty.

Size and capacity: Choosing the right size matters. For a tank heater, you need enough gallons to cover your household's peak demand — a family of four typically needs a 50-gallon tank. For a tankless unit, focus on flow rate (gallons per minute) to ensure it can handle multiple simultaneous draws.

Location: Where the heater is installed affects efficiency and safety. Tankless and heat pump models need adequate ventilation. Solar collectors must face the right direction and angle. Gas heaters require proper flue venting. Your installer will evaluate the best placement for your specific home.

Permits and codes: Most water heater replacements require a permit and must comply with local building codes, especially for gas appliances. A licensed plumber handles this paperwork and ensures the installation passes inspection.

Popular Brands

Rheem: One of the most widely recognized names in water heating, Rheem offers a broad lineup that includes traditional gas and electric tanks, tankless models, and hybrid heat pump units. Their products are known for reliability and are widely available through plumbing professionals.

A.O. Smith: A.O. Smith is synonymous with longevity and has been manufacturing water heaters for over a century. Their range covers everything from basic gas and electric tanks to advanced solar and heat pump hybrids, with strong warranties across the line.

Bradford White: Bradford White manufactures exclusively for the professional trade — you won't find their products at big-box retailers. That focus on the contractor channel translates into consistently high build quality and performance standards.

EcoSmart: Specializing in electric tankless heaters, EcoSmart is a popular choice for homeowners looking for a compact, energy-efficient unit. Their self-modulating technology adjusts power use based on actual demand, which helps keep operating costs low.

Pricing

Tank storage water heaters: Equipment costs typically range from $300 to $2,000 depending on size, fuel type, and efficiency rating. Professional installation generally adds $300 to $600, bringing the typical all-in cost to $600–$2,600.

Tankless water heaters: Units range from about $1,000 to $3,000. Installation is more involved and can run $600 to $1,200, particularly if gas line upgrades or new venting are needed. Higher upfront cost is offset by lower monthly energy bills over the unit's lifespan.

Solar water heaters: Equipment costs range from $2,000 to $5,000, with installation adding another $2,000 to $4,000. Federal and state tax credits can offset a meaningful portion of the investment, and energy savings over time can make solar the most economical choice in sunny regions.

Heat pump water heaters: Expect to pay $1,200 to $3,500 for the unit, with installation costs similar to a standard electric tank replacement. They qualify for federal energy efficiency tax credits, and their lower operating costs can pay back the premium within a few years in the right climate.

H3 Plumbing & Drains does not sell water heaters directly, but we are knowledgeable about these brands and their products. Give us a call today to talk through which option makes the most sense for your home and budget.

Choosing the right water heater means balancing upfront cost, long-term operating expenses, energy efficiency, and your household's specific needs. Once installed, keep it running efficiently with our water heater maintenance guide. Brands like Rheem, A.O. Smith, Bradford White, and EcoSmart offer reliable options across every category. Whatever type you choose, professional installation is the key to a safe, code-compliant system that performs as expected for years to come.