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Top Water Heater Installation Companies in New Orleans, Louisiana Ranked

Ensuring your New Orleans home has a reliable supply of hot water is essential for daily comfort, from morning showers to washing dishes. Water heater installation and replacement are critical services that involve selecting the right system for your household's needs and having it professionally installed to meet local building codes and safety standards. This guide will help you understand your options, from traditional tank-style heaters to modern tankless units, and how to connect with qualified local professionals who can assess your situation and ensure a proper, lasting installation.

Roto-Rooter Plumbing & Water Cleanup

Roto-Rooter Plumbing & Water Cleanup

1942 Williams Blvd Ste 6, Kenner, LA 70062

Roto-Rooter Plumbing & Water Cleanup provides a wide range of plumbing services in New Orleans, LA, including sewer camera inspections, water heater repairs and installations, drain cleaning, hydro jetting, sewer line repairs, trenchless sewer repair, leak detection, and water softener installation. They offer 24/7 emergency plumbing services to address urgent issues such as sewer backups, water heater failures, and clogged drains. Their sewer line services include video camera inspections and both conventional and trenchless repair methods to minimize disruption. The company also installs various water softener and filtration systems to improve water quality in areas with hard water and potential contaminants. Roto-Rooter Plumbing & Water Cleanup serves Kenner and surrounding cities with licensed and insured professionals available year-round.

5.0
468 Reviews
BC Plumbing, LLC

BC Plumbing, LLC

519 Scenic River Cove, Slidell, LA 70461

BC Plumbing, LLC is a locally owned plumbing company serving New Orleans, LA, and surrounding areas. With over 20 years of experience, they provide a wide range of plumbing services including drain cleaning, water heater repair and installation, sewer line repair, leak detection, and gas line installation. Their skilled plumbers use advanced camera inspection technology to diagnose pipe issues and are recognized as master gas fitters by the state plumbing board. BC Plumbing offers 24/7 availability for installations, maintenance, and emergency services, ensuring prompt support for both residential and commercial clients.

5.0
127 Reviews
Mr. Rooter Plumbing of New Orleans

Mr. Rooter Plumbing of New Orleans

615 Orange St, New Orleans, LA 70130

Mr. Rooter Plumbing of New Orleans provides a wide range of plumbing services for both residential and commercial properties in New Orleans, LA. Their experienced team handles everything from water heater installation and repair to sewer line services, drain cleaning, leak detection, and repiping. They use advanced tools like video pipe inspections and hydro jetting to diagnose and resolve plumbing issues efficiently. The company is licensed and insured, ensuring compliance with local codes and regulations. They offer 24/7 emergency plumbing services to address urgent needs promptly.

4.9
1.3k Reviews
Diaz Plumbing, LLC

Diaz Plumbing, LLC

113 Incarnate Word Dr, Kenner, LA 70065

Diaz Plumbing, LLC is a licensed master plumber serving New Orleans, LA, and the surrounding metro area including Kenner, Metairie, Harahan, and River Ridge. The company offers a range of plumbing services such as water heater repair and installation, drain cleaning, sewer line repair, leak detection, repiping, gas line installation, and toilet repair. Diaz Plumbing also handles bathroom and kitchen renovations, water and gas meter services, and plumbing fixture installations. They focus on troubleshooting leaks and clogs in various plumbing fixtures and pipes. The business emphasizes its expertise in water heater services and plumbing system repairs. Diaz Plumbing holds a Master Plumber License (LMP6968) and operates by appointment. Their service area covers the New Orleans metro region, providing comprehensive plumbing solutions to both residential and commercial clients.

5.0
107 Reviews
Bertucci Bros. Plumbing LLC

Bertucci Bros. Plumbing LLC

128 Colby St, Metairie, LA 70001

Bertucci Bros. Plumbing LLC is a plumbing company based in New Orleans, LA, offering a range of services including sewer camera inspections, water heater repair and installation, and drain cleaning. They serve both residential and commercial customers in the New Orleans area. With over 35 years of combined experience, the team handles everything from small repairs to under slab plumbing and video pipe inspections. Bertucci Bros. Plumbing emphasizes honest evaluations and affordable service, focusing on durable workmanship and transparent pricing.

4.9
418 Reviews
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Understanding Your Water Heater Options

When it's time for a new water heater in New Orleans, you'll primarily choose between two types: storage tank and tankless (on-demand) systems. Each has distinct advantages suited to different homes and lifestyles.

Storage Tank Water Heaters are the most common and cost-effective option upfront. They consist of an insulated tank that heats and stores a ready reservoir of water. These units are excellent for households with consistent, large hot water demands. However, they can run out of hot water during high-use periods and constantly consume energy to keep the stored water hot, which is known as "standby heat loss." In New Orleans, electric models are particularly popular due to their straightforward installation and integration with the local grid, though natural gas models are also available 1 2.

Tankless Water Heaters provide hot water only as it is needed, heating water directly as it flows through the unit. This design eliminates standby energy loss, offering greater efficiency and the benefit of an endless supply of hot water. They also have a much smaller physical footprint. The main consideration is the higher initial purchase and installation cost. For homes in historic districts or with limited space, a tankless system can be an ideal solution 1 3 4.

Key Factors for New Orleans Homes

Choosing a water heater isn't just about tank size or brand; local environmental conditions play a significant role in performance and longevity.

  • Hard Water: New Orleans' water supply is known to be hard, meaning it has a high mineral content (primarily calcium and magnesium). Over time, these minerals can accumulate as scale inside tanks and on heating elements, reducing efficiency, increasing energy bills, and shortening the appliance's lifespan. This makes regular maintenance, like flushing the tank, especially important 1 3.
  • High Humidity: The city's humid climate can accelerate corrosion on the exterior of water heaters and their connections. Proper installation in a well-ventilated area and considering corrosion-resistant components are key factors local plumbers account for 1 5.
  • Energy Source: The choice between electric and gas is crucial. Electric water heaters are often simpler and safer to install in many urban settings, requiring no gas line or complex venting. Gas models, while potentially cheaper to operate, require proper venting to expel combustion gases, which must comply with strict local codes 2 3.

The Professional Installation Process

A successful water heater setup is not a DIY project. Hiring a licensed professional ensures safety, code compliance, and protects your manufacturer's warranty. Here's what a typical installation or replacement process looks like with a local expert:

  1. Professional Assessment: A licensed plumber will evaluate your home's specific needs. They consider your household size, peak hot water usage, available space (like a closet, garage, or attic), and the condition of existing plumbing and electrical connections. This step is vital for correctly sizing your new unit 1 6.
  2. Unit Selection: Based on the assessment, you'll choose the right type, size, and energy source. Your plumber can explain the long-term cost implications of a more efficient model versus a standard one, helping you balance upfront cost with operational savings 7 3.
  3. Permitting: In New Orleans, certain installations, especially for gas water heaters or significant plumbing alterations, may require a permit from the city. A reputable professional will handle this process, ensuring all work is up to code 6 8.
  4. Installation Day: The plumber will safely disconnect and remove your old unit. They will then install the new water heater, which involves connecting water supply lines, pressure relief valves, and the appropriate energy source (electrical wiring or gas line and venting). They will also install any necessary new components, like expansion tanks or upgraded pipes 6 9.
  5. Inspection and Activation: After installation, the system is thoroughly checked for leaks and proper operation. The plumber will ensure the temperature and pressure relief valve is working correctly and often walk you through the basic controls of your new appliance 8 9.

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What to Expect: Costs and Considerations

The cost of water heater replacement in New Orleans varies widely based on the unit type, size, and complexity of the installation. It's important to view this as an investment in your home's infrastructure and daily comfort.

  • Standard Tank Water Heater (40-50 gallon): For a straightforward replacement of a like-for-like electric tank model, you can expect costs generally ranging from $1,000 to $2,500, which includes the unit and professional installation 10 11. For larger capacity tanks (e.g., 80 gallons) or high-efficiency models, the price can range from $2,650 to $7,500 or more 7 12.
  • Tankless Water Heater: The investment for a tankless system is higher due to the cost of the unit and more complex installation requirements, which may include upgrading gas lines or electrical service. Installations typically range from $2,400 to $5,400 or more 10 13.
  • Factors Influencing Cost: The final price is influenced by more than just the appliance. Labor, necessary materials (like new copper piping or venting kits), any required permits, and the disposal fee for your old unit all contribute. If your installation is in a difficult-to-access location or requires moving plumbing lines, the cost will reflect that additional labor 7 11 14.

Why Professional Expertise is Non-Negotiable

While it may be tempting to cut costs, professional installation by a licensed plumber is crucial for several reasons specific to our region:

  • Safety: Incorrect installation of gas lines or electrical connections can lead to gas leaks, fire hazards, or carbon monoxide poisoning. Professionals ensure all connections are secure and venting is adequate 2 6.
  • Code Compliance: New Orleans has specific plumbing and building codes. A licensed plumber ensures your installation meets all local regulations, which is essential for your safety and can be required for home insurance policies 6 14.
  • Warranty Protection: Most manufacturer warranties are void if the unit is not installed by a licensed professional according to code. Hiring an expert protects your investment 6 14.
  • Long-Term Reliability: A proper installation minimizes future problems. Professionals account for local issues like hard water by recommending or installing water softening solutions or ensuring the system is set up for easy maintenance 3 5.

Maintaining Your New Water Heater

To extend the life of your investment, especially given our local water conditions, regular maintenance is key. This includes an annual flushing of the tank to remove sediment buildup, checking the anode rod (which sacrificially corrodes to protect your tank), and inspecting the pressure relief valve. Many local service providers offer maintenance plans to help manage this for you.

Frequently asked questions

Sources

Footnotes

  1. New Orleans Water Heater Services | Tank, Tankless, Gas - https://www.natalsairconditioning.com/plumbing/water-heaters/ 2 3 4 5

  2. Electric Water Heater Services in New Orleans and Surrounding Areas - https://www.stuartservices.com/plumbing/water-heaters/electric/ 2 3

  3. Water Heater Services in New Orleans - Blair Plumbing LLC - https://blairplumbinginc.com/water-heater-repair-and-replacement-new-orleans/ 2 3 4 5

  4. Water Heaters Slidell, Mandeville, Covington & New Orleans - https://getcomforttoday.com/water-heaters/

  5. Water Heaters | Install & Repair | New Orleans, LA - https://precisecomfort.net/residential/water-heaters/ 2

  6. Water Heater Installation & Replacement in New Orleans - https://www.keefes.com/water-heater-installation-new-orleans/ 2 3 4 5 6

  7. Water Heater Replacement Cost & Service - https://www.benjaminfranklinplumbing.com/league-city/blog/2024/december/how-much-is-a-water-heater-replacement-costs-and-considerations/ 2 3

  8. Professional Water Heater Installation & Replacement - Lowe's - https://www.lowes.com/l/install/water-heater 2

  9. Water Heater Replacement - H&E Comfort Services - https://www.hecomfortservices.com/water-heater-replacement/ 2

  10. Cost to Replace a Water Heater - The Home Depot - https://www.homedepot.com/services/c/cost-install-water-heater/9058c024e 2

  11. How Much Does Water Heater Installation Cost? | A.O. Smith - https://www.hotwater.com/info-center/water-heater-installation-cost.html 2

  12. Cost to Replace a 40-Gallon Water Heater in 2025 | Fixr.com - https://www.fixr.com/costs/40-gallon-water-heater

  13. How Much Does Water Heater Replacement Cost? [2026 Data] | Angi - https://www.angi.com/articles/how-much-does-water-heater-installation-cost.htm

  14. Water heater installation time and cost explained - Splash Plumbing - https://www.splashplumbing.com/how-long-does-water-heater-installation-take-heres-what-to-expect-and-how-much-it-costs/ 2 3