Heat Pump Water Heater Vs Tankless Water Heater

Published: Last Updated on
Heat Pump Water Heater Vs. Tankless Water Heater

If you’re trying to figure out how to go about buying a new water heater, you may be wondering whether to choose a Heat Pump Water Heater (HPWH) or a Tankless Water Heater. Both have pros and cons, so it’s essential to do your research before deciding.

In this article, we’ve put together a quick guide to the critical differences between HPWHs and Tankless Water Heaters by looking at their main features, which include:

  • Size
  • Energy efficiency
  • Overall costs
  • Installation
  • Maintenance
  • Durability

However, before going into detail, the general question is; which is better between the two heaters?

How Does a Heat Pump Water Heater Compare With Tankless Water Heater

Comparison Heat Pump Water Heater Tankless Water Heater
Initial cost Not favorable Favorable
Long-term cost Favorable Not favorable
Installation  Difficult Easy
Home size Larger home Smaller home
Climate Milder climate Extreme temperatures

It can be hard to determine the type of heater suitable for your home. If you’re trying to decide between a Heat Pump and a Tankless Heater, you should keep a few things in mind.

Here are a few things to consider when deciding whether a Heat Pump Water Heater or Electric Tankless Water Heater is right for you:

  1. The initial cost: Heat Pumps tend to be more costly than Tankless Heaters. A Tankless Heater might be the better option if you’re on a tight budget.
  2. The long-term costs: Heat Pumps are more efficient in energy consumption than Tankless Heaters, so they’ll save you cost on your energy bills in the long run.
  3. The installation process: Installing a Heat Pump can be more complex than installing a Tankless Heater. If you’re not comfortable with do-it-yourself projects, you might want to hire a professional to install your Heat Pump Water Heater.
  4. The size of your home: If you have a large home, you might need more than one Tankless Water Heater to meet your hot water needs. Heat Pumps are more powerful and can heat a larger volume of water, so they’re a better option for large homes.
  5. The climate in your area: Heat Pumps perform best in milder climates. A Tankless Heater might be a better option if you live in an area with extreme temperatures.

No matter the type of water heater you choose, do your research and find the best option for your home.

Comparing the Features of Heat Pump Water Heater and Tankless Water Heater

Comparison Heat Pump Water Heater Tankless Water Heater
Size Larger Smaller
Energy efficiency More efficient Less efficient
Cost Higher buying cost Lower buying cost
Installation Difficult to install Easy to install
Maintenance Easier to maintain Harder to maintain
Durability Less durable More durable

The following key features will help you decide when choosing a water heater to buy.

Size

Both tankless and Heat Pump Water Heaters have their advantages and disadvantages in terms of size, so it depends on your needs as to which one is better for you.

Tankless Heaters are much smaller compared to their traditional counterparts. They can be mounted on a wall or under a sink, so they don’t take up nearly as much space. That makes them ideal for small homes or apartments where space is at a premium.

On the other hand, Heat Pumps are larger than Tankless Heaters. Therefore, they need to be placed on the ground to take up more space.

So, your choice will largely depend on the space you have in your home.

Energy Efficiency

Heat Pumps are more energy-efficient than Tankless Heaters as they consume less electricity. 

Tankless Water Heaters must constantly heat water, even when no one uses it, which uses a lot of energy. Conversely, Heat Pumps only use power when heating water, so they are more efficient.

Cost

There’s no clear winner regarding the cost of Heat Pumps and Tankless Heaters. But if you’re looking for the most bang for your buck, a Heat Pump Water Heater is probably your best bet.

While Heat Pump Water Heaters tend to be more expensive up front, but they’re much more efficient in energy consumption than Tankless Heaters. That means, over time, you’ll save on the cost of your energy bills with a Heat Pump.

On the other hand, Tankless Water Heaters have a higher initial cost but will save you money in the long run on your water bill. That’s because they only heat water when you need it, so you’re not paying to keep a tank of hot water on standby.

So, which is better in terms of cost? It depends on your specific situation. A Heat Pump Water Heater is the way to go if you’re looking for the most energy-efficient option. But a Tankless Water Heater may be the better choice if you’re worried about the initial cost.

Installation

There are many differences between Heat Pump Water Heaters (HPWHs) and Tankless Water Heaters (TWHs), but one of the most important is how they are installed. HPWHs must be installed by a licensed professional, while anyone with basic do-it-yourself skills can install TWHs.

So, if you’re trying to decide which type of water heater is right for you, installation ease is something to consider.

Maintenance

Regarding maintenance, both Heat Pump Water Heaters and Tankless Water Heaters have pros and cons. However, regular maintenance is key to keeping either type of water heater in top condition.

Heat Pump Water Heaters are generally easier to maintain than Tankless Water Heaters. The main reason is that fewer parts are involved in a Heat Pump Water Heater. That means fewer things can go wrong, and less need to be done in terms of maintenance.

On the other hand, Tankless Water Heaters have more parts, which means that more can go wrong. In addition, you must descale Tankless Water Heaters regularly to prevent mineral build-up. That can be a difficult and time-consuming task.

Overall, Heat Pump Water Heaters are the better choice for ease of maintenance. However, both water heater types require regular maintenance to ensure optimal performance.

Durability

Between Heat Pump Water Heater and Tankless Water Heater, which is more durable and will last longer?

The answer may surprise you. While HPWHs are more energy-efficient, TWHs are more durable. In addition, TWHs have a shorter warranty period than HPWHs, but they will last longer overall. The average lifespan of a TWH is 20 years, while the average lifespan of an HPWH is only ten years.

So, if you want a heater that will last longer and be more durable, a TWH is the way to go. However, if you want a water heater that is more energy-efficient, an HPWH is the better choice.

Pros of Heat Pump Water Heater

The following are some pros of Heat Pumps.

  • They are more efficient in energy consumption than traditional heaters.
  • They are better for the environment because they use less energy.
  • They can provide hot water even during power outages.
  • They are low maintenance and have a long lifespan.

Cons of Heat Pump Water Heater

Below are some cons of the Heat Pump.

  • Heat Pumps are more expensive compared to traditional Electric Heaters.
  • A qualified professional must install Heat Pumps, adding to the overall cost.
  • Heat Pump Water Heaters can lose efficiency in cold weather, making them less effective in colder climates.

Pros of Tankless Water Heater

The following are some pros of a Tankless Heater.

  • Tankless Water Heaters heat water on demand, so you’ll always have a steady hot water supply.
  • Because Tankless Heaters heat water only when you need it, so they’re much more efficient in energy consumption than traditional tank heaters.
  • Tankless Heaters are close to the size of a carry-on suitcase, so they’ll free up valuable space in your home.
  • Tankless Water Heaters don’t use energy to keep a hot water tank heated and ready, so they’re better for the environment.

Cons of Tankless Water Heater

The following are some cons of Tankless Water Heater

  • Tankless Water Heaters can cost twice as much as traditional tank water heaters.
  • Since they have more parts and are more complicated, Tankless Water Heaters have a higher risk of failure than traditional tanks.
  • Tankless Water Heaters require regular descaling to prevent mineral build-up, which reduces their efficiency and shortens their lifespan.

Related: Boiler vs. Water Heater – All the Key Differences

Comparing Heat Pump Water Heater With Other Water Heaters

Besides the Tankless Heaters, the following is how Heat Pumps compare with Electric Heaters and Hybrid Heaters.

Heat Pump Water Heater vs. Electric Water Heater

Heat Pumps are more energy-efficient than Electric Water Heaters, but they may not be the best option for everyone. Here are some things to consider when determining your water heater choice.

Electric Water Heaters

Electric Heaters are commonly used water heaters in many households. Their power source is electricity, and they are typically less expensive than Heat Pump Water Heaters. Electric Water Heaters are also easier to install, so they may be a good option if you’re uncomfortable installing a more complex system.

Heat Pump Water Heaters

Heat Pumps are more energy-efficient than Electric Heaters, but they may be more expensive to purchase and install. Heat Pump Water Heaters pull heat from the air and transfer it to the water. This process is more efficient than using electricity to heat the water directly. So, that can help reduce the cost of your energy bills.

Which Is Better for You?

Electric Water Heaters are an excellent option if you’re looking for a simple, inexpensive water heater. They’re also easy to install, so they may be the best choice if you’re uncomfortable installing a more complex system. Heat Pump Water Heaters are more energy-efficient, saving you money on your energy bills. However, they may be more expensive to purchase and install.

Heat Pump Water Heater vs. Hybrid Water Heater

To determine which of the two heaters is better for your home, assessing a few areas that affect the heater’s effectiveness is crucial.

Heat Pump Water Heater

  • The other important thing to consider is the size of your family. A Heat Pump may be the best option if you have a small family.
  •  Another necessary factor to consider is the climate in your area when choosing a water heater. For example, a Heat Pump Water Heater may be the best option if you live in an area with mild winters.
  •  In addition, if you are interested in long-term savings on your energy bills, the Heat Pump is more cost-effective.

Hybrid Water Heater

So, which is better for you?

Considering all dimensions, your choice will largely depend on your budget, family size, and climate.

Split heat pump water heater

What is a split heat pump water heater? A split heat pump water heater, also known as a “point-of-use” (POU) water heater, uses a heat pump to heat water. The split heat pump water heater consists of two parts: an outdoor unit that contains the compressor and condenser and an indoor unit that houses the evaporator and expansion valve. The outdoor unit extracts heat from the air and transfers it to the indoor unit, which is used to heat water in the tank. The split heat pump water heater is more efficient than a conventional electric water heater because it can use ambient air temperature to help heat the water.

Hot Water Dispenser vs Heat Pump Water Heater Vs Tankless Water Heater

We often take hot water for granted. Please turn on the tap; it comes hot and ready to use. But have you ever stopped to think about how that hot water gets to your faucet? There are a few ways your home or business can be supplied with instant hot water. This article will compare three of the most popular methods: the Instant Hot Water Dispenser, the Heat Pump Water Heater, and the Tankless Water Heater. The Instant Hot Water Dispenser is probably the simplest method of supplying instant hot water. This type of dispenser is usually found in businesses, as they require a direct connection to a water line. All you need to do is turn on

the tap, and the hot water will flow instantly. There is no tank to store the hot water, so there is no risk of running out of hot water. The Heat Pump Water Heater is a bit more complex than the Instant Hot Water Dispenser. This type of heater uses a heat pump to transfer heat from the air into the water. The advantage of this type of system is that it is much more efficient than other types of water heaters. However, the initial cost of installation can be pretty high. The Tankless Water Heater is the most complex type of hot water heater. Unlike the Instant Hot Water Dispenser or the Heat Pump Water Heater, a tankless system does not store hot water. Instead, it heats water on demand.

This system is very efficient, as there is no need to store hot water that will ultimately go unused. However, the initial cost of installation can be quite high. These are just a few popular methods for supplying instant hot water. Your specific needs and budget depend on which one is right for you. Consult with qualified plumbing or HVAC professional to help you make the best decision for your home or business.

Conclusion

In conclusion, the best type of water heater will depend on your specific needs and preferences. For example, if you’re looking for a simple, inexpensive water heater, an Electric Water Heater may be the best option for you. On the other hand, a heat pump or a Hybrid Water Heater may be the best choice if you’re interested in saving money on your energy bills.

Whichever type of water heater you choose, be sure to research to ensure that it’s the best option for your home.

Sharing is caring!

You may also like