Affordable Gas Water Heater Repair & Installation in Memphis, TN

Venting

B-vent flue to roof (atmospheric), PVC through wall (power-vent), or dual PVC pipes (direct-vent). Type depends on unit and space.

Gas Shutoff & Drip Leg

Dedicated shutoff valve within 6 feet of unit plus a sediment trap (drip leg) on the gas supply line.

Expansion Tank

Required on closed plumbing systems to absorb thermal expansion and protect pipes from pressure damage.

Plumbing Permit

Water-heater replacement generally requires a plumbing permit in Memphis and surrounding jurisdictions (Varies by jurisdiction). Permit and inspection fees vary by city and project scope. Your plumber handles the application and inspection.

CO Detectors

Carbon monoxide detectors are recommended on every level of the home near sleeping areas. Many jurisdictions require them by code. Your plumber will verify compliance.

Who Provides Gas in the Memphis Area?

Natural gas service in the Memphis area is provided by local utilities and can vary by neighborhood and address. Not every street has gas service — if your home lacks a gas main, an electric or heat-pump water heater may be the better fit. Operating cost varies with current utility rates, household hot-water usage, equipment efficiency, fuel type, and system size. See our electric water heater page for electric and heat-pump options.

Gas vs. Electric vs. Heat Pump Operating Costs

Gas tanks typically cost less to operate than standard electric tanks. Heat pump (hybrid) units are the most efficient electric option and often run cheaper than either a standard electric tank or, in some cases, gas. Tankless units eliminate standby heat loss but have higher upfront costs. Operating cost varies with current utility rates, household hot-water usage, equipment efficiency, fuel type, and system size. For Memphis-area homes with gas service, a gas tank usually offers the lowest operating cost among tank options. All-electric homes should consider a heat-pump water heater, which can rival or beat gas on operating cost.

Gas Water Heater Options

A standard 50-gallon gas tank water heater costs around $1,300–$2,000 installed and lasts 8–12 years. Atmospheric-vent units are the most affordable when an existing B-vent flue is in place. Power-vent and direct-vent models ($2,500–$4,500) offer flexible placement and work where no existing flue is available.

Gas tankless water heaters ($2,500–$6,500+) provide endless on-demand hot water and a 20+ year lifespan, but require adequate gas-line capacity and proper venting. Many older Memphis-area homes need a gas-line upgrade before a whole-home tankless unit is feasible.

Switching from Electric to Gas

Converting from an electric water heater to gas requires running a gas line, installing proper venting, and adding a gas shutoff valve and sediment trap. Gas-line work typically runs $400–$2,150+ depending on scope and whether a gas main is already available at the street. Electrical work varies substantially depending on whether the project requires a new circuit, breaker work, a panel modification, or a full service upgrade. Not every electric or tankless installation requires a panel upgrade. Major electrical service or panel upgrades require a separate onsite evaluation. If gas service is available, the switch can lower long-term operating costs for high-use households.

Common Gas Water Heater Repairs

The most frequent gas water heater repairs are thermocouple or pilot light issues ($150–$400), gas control valve replacement ($320–$920), and burner assembly cleaning ($120–$270). A failing thermocouple is the most common reason a gas water heater stops producing hot water. Regular maintenance — annual flushing and burner inspection — extends tank life and keeps the unit running efficiently.