Tank vs. Tankless Water Heaters: What Homeowners in Garland, Plano & Beyond Need to Know

Jaclyn Basilone | May 07 2025 11:09

When it comes to hot water in your home, you have two main options: traditional tank water heaters and tankless (on-demand) water heaters . If you’re a homeowner, landlord, contractor, or property manager in Garland, Plano, Richardson, McKinney, Rockwall, or the surrounding areas, choosing the right system can impact your energy bills, space usage, and long-term maintenance costs.

At Brooks Plumbing , we install and service both tank and tankless water heaters, and we’re here to break down the differences to help you make the best choice for your property.

1. What’s the Difference Between Tank and Tankless Water Heaters?

A tank water heater stores and continuously heats a large volume of water—typically 30 to 50 gallons—so it’s ready whenever you need it. Once the tank runs out, you have to wait for it to heat more water.

A tankless water heater, on the other hand, heats water on demand as it flows through the unit. That means virtually unlimited hot water—no tank, no standby heat loss.

2. Cost Comparison

  • Upfront Cost: Tank water heaters generally cost less to purchase and install. Tankless systems are more expensive up front, especially if your home needs upgraded gas or electric lines.
  • Long-Term Savings: Tankless systems are more energy-efficient, so you can save on your monthly utility bills over time.
  • Rebates & Offers: We’re currently offering a price-match guarantee on all water heater replacements ( terms and conditions apply ), so you can get the best deal no matter which system you choose.

3. Efficiency & Performance

  • Tank Systems: Heat and reheat water constantly to keep it ready, leading to some energy waste (called standby heat loss).
  • Tankless Units: Only heat water when you need it, using up to 30% less energy for homes that use less than 41 gallons of hot water daily.
  • Water Delivery: Tank units can run out of hot water during heavy use. Tankless heaters provide a continuous flow—great for larger families or back-to-back showers.

4. Lifespan and Maintenance

  • Tank Water Heaters: Last about 8–12 years with proper maintenance. May require flushing to remove sediment buildup.
  • Tankless Water Heaters: Can last 15–20+ years. They require periodic descaling to prevent mineral buildup, especially in hard water areas like North Texas.

5. Space and Installation Considerations

  • Tank systems are bulky and require floor space.
  • Tankless units are compact and wall-mounted, making them ideal for smaller homes or homes with limited utility space.
  • Retrofitting your home for a tankless system may involve additional plumbing or electrical work —but it’s often worth the upgrade.

6. Best Use Cases for Each Type

  • Choose a tank water heater if:
    • You’re on a tight budget.
    • You have predictable hot water usage.
    • You want a quick replacement without major retrofitting.
  • Choose a tankless water heater if:
    • You have a larger household with high hot water demand.
    • You want energy efficiency and long-term savings.
    • Space-saving design is important to you.

7. Why Choose Us for Your Water Heater Replacement?

At Brooks Plumbing, we install and service all major water heater brands, and we’re highly experienced with both tank and tankless systems. Whether you’re replacing an outdated system or upgrading to something more efficient, we’ll help you choose the best fit for your home and budget.

And don’t forget— our price-match guarantee ensures you get the best value( terms apply ).

8. Professional Installation & Peace of Mind

Water heater installation is not a DIY job. Gas connections, ventilation, and local building codes all require professional handling. Our licensed technicians serve customers throughout Dallas, Garland, Allen, Heath, Rockwall, and nearby communities, ensuring every installation is safe, code-compliant, and built to last.

9. Need Help Choosing the Right Water Heater?

Still unsure if a tank or tankless unit is right for you? We’re happy to help. Whether you’re a homeowner, property manager, or contractor, we offer honest, no-pressure guidance to help you make the most informed choice.

10. Call Us With Any Questions

We’re ready to answer your questions, provide quotes, or schedule service at your convenience.
? Call us today at 214-368-3838
?Serving homeowners across Garland, Plano, Richardson, and the DFW area.