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This content was originally published on OldHouseOnline.com and has been republished here as part of a merger between our two businesses. All copy is presented here as it originally appeared there.

If you’ve been thinking about replacing your water heater, you’ve probably come across storage tanks and tankless water heaters. Which one is best for your needs? In this post, we’ll discuss each type and the advantages and disadvantages of each so you can make an informed choice.

Storage tank water heaters have been around for decades and are still popular among homeowners. They’re reliable and efficient, providing hot water on demand with enough capacity to meet your hot water needs. Tankless water heaters, on the other hand, save energy and space by heating water on demand. While they are more energy efficient, they may not be suitable for homes that use a lot of water.

We’ll compare and contrast these two types of water heaters and provide tips for picking the one that’s right for your home.

Types of Water Heaters

Storage tank water heaters are the most basic type of water heater. They use heated water stored in an insulated tank that keeps the water warm until it needs to be used. Storage tank water heaters are often the most affordable type of water heater, so they are a great option if you want to save money upfront.

Tankless water heaters do not have a storage tank and heat water as it is needed. This type of water heater typically takes up less space than the storage tank and is usually more energy-efficient than its counterpart.

Benefits of Storage Tank Water Heaters

Storage tank water heaters are less costly than tankless ones in terms of initial purchase and installation costs. If you are looking for an affordable option that does not require expensive modifications during installation, a storage tank unit may be the right fit for your home.

Storage tank units have been around for much longer than tankless ones, so they are more reliable in terms of performance and longevity. Storage tank units typically need fewer repairs over their lifespan.

Benefits of Tankless Water Heaters

Tankless water heaters are more energy efficient than traditional storage tank units. They do not require energy to keep a large tank of hot water stored at all times. This efficiency reduces costs, making them a great option for those who want to reduce their electricity bills.

Tankless water heaters take up substantially less space due to their lack of a large storage tank. This makes them especially attractive for those looking to maximize every square inch in their home.

Additional Considerations

Installation

When choosing which type of unit to install, it’s critical to consider the size and location of the unit. If you want to install a storage tank unit in a small closet or tight space, you may need to purchase a smaller-sized option. If you have limited access to certain parts of your home, such as attics or basements, you may need to opt for a smaller-sized unit that can fit into these difficult-to-reach spots.

The location where you install your new unit can impact its overall efficiency and lifespan. Storage tanks need larger spaces that provide plenty of ventilation while allowing easy access for repairs and upgrades. Tankless models typically require less space but should still be located near areas with good ventilation. It is also crucial to determine what type of fuel your new unit will use so you can ensure that your home has the proper piping and wiring.

Cost

Storage tank units are cheaper upfront in terms of initial purchase and installation costs. Depending on the size and efficiency rating that you choose, the upfront cost might be different than expected when comparing brands side-by-side. Installation components may add additional upfront costs to the price of your unit.

The cost of energy makes a storage-tank water heater more expensive in the long run, but if you don’t have the money for the upfront costs, they may be the right option for you.

Maintenance

Storage tanks should be drained regularly to flush out any sediment buildup. This draining will help keep efficiency levels high while minimizing repair needs. These units should be checked regularly by professionals so they can inspect all of the components.

Tankless units should also be inspected by professionals so that any small problems can be addressed. Tankless units should also be descaled every few years using an appropriate solution that helps prevent calcium from forming inside the pipes.

Conclusion

Comparing heaters can be quite an undertaking, as many factors must be taken into consideration when deciding which type is suited for use in your home. The choice comes down to individual preference, budget, size requirements, and energy efficiency ratings. Considering all these variables will help you answer the age-old question, which is better, tankless or tank water heater?

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Old House Journal

Founded in 1973, Old House Journal is the original authority when it comes to old-house restoration, traditional house styles, period kitchens, bath & kitchen restoration, DIY projects, gardens & landscaping, and more-- from Colonial and Victorian through Arts & Crafts and Mid-century Modern homes.

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