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  3. Tankless vs. Traditional Water Heaters: Which Is Best?

Tankless vs. Traditional Water Heaters: Which Is Best?

  • September 16, 2025
tankless versus traditional water heater comparison

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Choosing the right water heater for your Atlanta home is a big decision. Both traditional tank water heaters and tankless water heaters offer unique advantages, but the right choice depends on your household size, energy efficiency goals, and budget. Let’s break down the pros and cons of each so you can make an informed decision.

Traditional Water Heaters

Traditional water heaters store hot water in a tank and keep it heated for whenever you need it. They’re widely used across Atlanta and Georgia, making them a familiar and reliable option.

  • Pros: Lower upfront cost, simple installation, widely available replacement parts.
  • Cons: Shorter lifespan (8–12 years), limited supply of hot water, higher energy costs over time.

Tankless Water Heaters

Tankless systems heat water on demand, which means you never run out. They’re increasingly popular in Atlanta households looking for long-term efficiency and space savings.

  • Pros: Unlimited hot water, lasts up to 20 years, energy efficient, saves space.
  • Cons: Higher upfront cost, may require upgraded gas or electrical lines, professional installation is essential.

Key Factors to Consider

  1. Household Size: Large families may benefit from multiple tankless units or a high-capacity traditional tank.
  2. Energy Efficiency: Tankless heaters typically use less energy, reducing utility bills over time.
  3. Budget: Traditional heaters cost less upfront, while tankless models pay off in long-term savings.
  4. Permits and Installation: In Georgia, permits are often required for tankless installation, making it crucial to hire a licensed contractor.

Which One Is Right for You?

If you want an affordable and straightforward solution, a traditional water heater may be the way to go. If you’re planning to stay in your home long-term and prioritize efficiency, a tankless water heater is an excellent investment.

At Fix & Flow Plumbing Co., we install and service both tankless and traditional water heaters across Atlanta. Our licensed plumbers can help you determine the best option for your needs and handle all required permits.

FAQs About Tankless vs. Traditional Water Heaters

Which is cheaper: tankless or traditional water heaters?

Traditional water heaters are cheaper upfront, but tankless systems often save money in the long run due to energy efficiency and a longer lifespan.

How long do tankless water heaters last compared to traditional ones?

Tankless water heaters last around 20 years, while traditional tank water heaters typically last 8–12 years.

Do I need a permit to install a tankless water heater in Georgia?

Yes, in most cases a permit is required for tankless water heater installation. Always work with a licensed plumbing contractor in Atlanta.

Can I replace a tank water heater with a tankless one?

Yes, but it may require modifications to your gas line, venting, or electrical system. A professional plumber should evaluate your home before installation.

Categories: Water Heaters, Tankless Water Heaters, Plumbing TipsTags: tankless water heaters Atlanta, traditional water heaters, water heater installation, plumbing contractor Atlanta, Georgia plumbing permits


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