Tankless vs. Tank-Type Water Heaters: Pros and Cons of both

When it comes to choosing a water heater for your home, the decision between a tankless and tank-type unit is a crucial one. Each option has its own set of advantages and drawbacks, which can significantly impact your comfort, energy consumption, and budget. In this blog post, we’ll dive into the pros and cons of tankless and tank-type water heaters to help you make an informed decision.

Tankless Water Heaters:


  1. Energy Efficiency: Tankless water heaters are renowned for their energy efficiency. They only heat water as it’s needed, eliminating standby heat loss. This can result in substantial energy savings over time.
  2. Unlimited Hot Water: With a tankless water heater, you’ll never run out of hot water. It provides a continuous supply, making it perfect for large households or homes with high hot water demand.
  3. Space-Saving: Tankless units are compact and can be installed in tight spaces. They free up valuable storage space that would otherwise be occupied by a bulky tank.
  4. Long Lifespan: Tankless water heaters tend to have a longer lifespan compared to tank-type heaters, often lasting 20 years or more with proper maintenance.


  1. Higher Initial Cost: The upfront cost of a tankless water heater is higher than that of a tank-type unit. Installation may also require modifications to your plumbing and electrical systems.
  2. Limited Flow Rate: Tankless heaters have a maximum flow rate, which means they can struggle to keep up with simultaneous hot water demands from multiple appliances.
  3. Limited Fuel Type: Tankless heaters only run on LP or Natural gas.
  4. Water softener is strongly recommended: Some warranties will be voided if you do not have a water heater installed. It is strongly recommended you have one installed before installing a tankless heater.

Tank-Type Water Heaters:


  1. Lower Initial Cost: Tank-type water heaters are generally more budget-friendly upfront, making them a cost-effective choice for many homeowners.
  2. Simple Installation: Installing a tank-type water heater is usually straightforward, and it typically requires fewer modifications to your existing plumbing and electrical systems.
  3. Familiar Operation: Most people are already familiar with how tank-type water heaters work, making them easy to use and maintain.


  1. Energy Loss: Tank-type heaters continually heat and maintain a large volume of water, resulting in standby heat loss. This can lead to higher energy bills over time.
  2. Limited Hot Water: The storage capacity of tank-type heaters is finite, meaning you can run out of hot water during periods of high demand. This can be frustrating in larger households.
  3. Bulkier Size: Tank-type water heaters are larger and require more space for installation. They may not be suitable for homes with limited storage space.

The choice between a tankless and tank-type water heater hinges on your specific needs and priorities. If you value energy efficiency, unlimited hot water, and have the budget for the initial investment, a tankless water heater is an excellent choice. On the other hand, if you’re on a tighter budget and prioritize simplicity and lower upfront costs, a tank-type unit might be the better fit.

To make the right decision, consider consulting with a professional plumber with B&W who can assess your home’s requirements and provide personalized recommendations based on your situation. Whatever choice you make, it’s essential to weigh the pros and cons to ensure you have a reliable and efficient source of hot water for your home.

Remember that both types of water heaters have their merits, and the key is finding the one that aligns best with your unique needs and preferences.

Call B&W at 317-243-2581 now to book your service.