Heat Pump Durability: Which Heat Pump Lasts the Longest?

To choose the best heat pump for your house you need to consider many different factors, including how long it lasts. The durability of your heat pump should be one of the primary buying factors, and you need to consider how long will your heat pump last.

Today, we will look at which heat pumps last the longest, and what you should consider when choosing a heat pump that will last a long time.

Factors that influence heat pump durability

A few factors directly determine how long a heat pump lasts, and you need to consider each one. While choosing the right type of heat pump, model and manufacturer affect the durability of your system, there are other things to consider that can impact how long a heat pump lasts. Here are some of the main factors that affect the durability of heat pumps:

  • Manufacturer
  • Maintenance
  • Size
  • Type of heat pump
  • Use
  • Installation


One of the biggest factors that influence how long a heat pump lasts is the manufacturer. While most of the heat pumps in the market today are very reliable and durable, some manufacturers are better than others. Since a heat pump is such a large upfront investment, you should always consider getting the best model from the most reputable manufacturer.


While heat pumps do not require as much maintenance as other conventional heating systems, such as furnaces and fireplaces, it is important to do a yearly checkup on them. This ensures that the system is working properly and that it will last a long time. Failing to maintain your heat pump can cause its lifespan to diminish, and might lead to costly repairs in the future.

Choosing a professional and capable company to do all the maintenance work on your heat pump is also important. You want to avoid hiring an inexperienced professional to care for such an expensive system.


Choosing the right size for your heat pump is absolutely crucial. If you end up with an undersized heat pump, you may force it to work in higher settings to heat and cool your home. This is certainly a mistake you want to avoid because it can eventually make your system last fewer years.

Type of heat pump

The type of heat pump you choose to install will also affect its durability. Some heat pump types are more durable than others, and obviously, the cost of installing a type of heat pump that lasts the longest will reflect that. For example, geothermal or ground-source heat pumps are can last sometimes 50 years, and that remains one of its biggest advantages, but on the other hand, they are more expensive.


The way you use your heat pump, and how often you use it will also impact its durability. If you constantly have your heat pump running all the time, it will not last as long as you if you use it briefly. 

Furthermore, the settings you use for the fan may also impact the durability. Running your heat pump at maximum capacity will put pressure on the system, especially if it is constantly working all the time.


The process of installing a heat pump is absolutely crucial to its efficiency and its lifespan. The location, to where the heat pump is facing, and whether or not it is level will influence how long the system can last. This is why it is essential to hire an experienced company to install your heat pump system.

Which heat pump lasts the longest?

By far geothermal heat pumps are the ones that last the longest, in some cases more than 50 years. This is one of the reasons why they are so expensive to install, but they are definitely worth the extra money. Ground-source heat pumps are also the most efficient and reliable type of heat pump, provided that the installation is well-planned, and carried out by a firm with plenty of experience.

If you are thinking of updating your heating and cooling system, the best option available is a geothermal heat pump. 

How to improve the durability of your heat pump

There are a few things that you can do to improve the durability of your heat pump system, and here are some steps you can take:

1. Installation

Choosing the right heat pump model, manufacturer, and size is as important as choosing the right company to install it. Determining the perfect location, as well as ensuring that the system is well installed can make a significant difference in your heat pump’s durability.

2. Yearly maintenance

Maintaining your heat pump is extremely important, and you should make sure that every year a professional check your heat pump, to ensure that the system is working properly, and to prevent costly repairs further down the road.

3. Use it wisely

You should avoid having your heat pump on all the time because the components and the system will deteriorate faster. Additionally, this will also require a lot more maintenance, and could shorten the lifespan of your heat pump.

Heat Pump Durability FAQ

Which heating system lasts the longest?

By far the most durable heating system available today is a heat pump. Not only is it the most reliable system but it is also the most efficient, which can help you save a lot of money in the long term. Heat pumps are also able to cool your home, and you don’t have to invest in a heating and cooling system, since it can do both.

How long do Mitsubishi heat pumps last?

Mitsubishi is one of the most well-known and reliable heat pump brands that will last at least 15 years. With proper and maintenance, a Mitsubishi heat pump can last upwards of 30 years, but that will depend on how well it is maintained, the use throughout its lifespan.


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