The Best Mini Split Heat Pumps for 2026

Mini splits are an excellent choice for cooling. They are flexible, being able to cool one or multiple rooms connected to a single outdoor unit, and they do not require ducts, which makes them more cost-effective and energy efficient than traditional forced air duct systems. 

But mini splits can do more than just cool: they can act as supplemental heat sources too! When the weather cools and summer gives way to fall, a mini split heat pump can provide heating. There are even cold-climate models specifically designed to excel in low temperature conditions.

In this guide, we explore mini split heat pumps, their pros and cons, and how to select the best mini split heat pump for your specific needs.

What is a Mini Split Heat Pump?

A mini split heat pump is a type of mini split that provides heating in addition to cooling.

The operation of a mini split heat pump is similar to that of a standard AC, but with the added ability to provide heating. During the summer months, the system extracts heat from indoor air and transfers it outdoors, cooling the indoor space in the process. In colder weather, the process is reversed, with the heat pump absorbing heat from outdoor air (even in low temperatures) and transferring it indoors to warm the space.

For more information on how mini splits provide heating, check out our Mini Split Heating 101 article.

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Pros of Mini Split Heat Pumps

Two-in-one function

With the ability to provide both heating and cooling, mini split heat pumps offer year-round comfort and convenience. Instead of using a separate heating source like space heaters, mini split heat pumps provide both heating and cooling functions in one convenient package. That’s one less appliance to buy and take up space!

High energy efficiency

Ductwork can account for up to 25% of energy loss in traditional forced air systems. By eliminating the need for ducts, mini splits are much more efficient when it comes to cooling and heating.

In fact, EnergyStar-rated mini split heat pumps use up to 60% less energy than conventional electric radiators. Not only is it good for your wallet, it’s good for the environment too!

In addition to its inherent efficiency, advanced features such as inverter technology and variable-speed compressors can adjust the mini split’s output to match the heating or cooling needs of a space more precisely. This results in even more efficient operation, and consequently, reduced utility bills.

Convenient installation

Mini splits need only a small hole to connect the indoor units with the outdoor unit. This makes them cheaper and easier to install.

Individual zone control

Because mini splits have separate indoor units, the temperature of each space can be customized compared to central air systems. For example, you can opt not to raise the temperature in rarely used or unoccupied rooms, allowing you to save even more. 

Quiet operation

Mini split heat pumps operate quietly, both indoors and outdoors. With noise levels typically ranging from 20 to 50 decibels, these systems are much quieter than window air conditioners or central HVAC units, providing a peaceful indoor environment.

Safer

Unlike ventless gas heating sources, mini splits do not generate combustion byproducts like carbon monoxide or NOx. This makes them much safer, especially for households with young children, elderly family members, or those with respiratory problems. They also provide a safe alternative for areas where ventless heating is not allowed.

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Cons of Mini Split Heat Pumps

Upfront cost

While mini split heat pumps offer long-term energy savings, they often have a higher upfront cost compared to traditional heating and cooling systems. 

The initial investment includes the purchase of the outdoor compressor unit, indoor air-handling units, and installation costs, which can vary depending on factors such as the number of units and the complexity of the installation. However, their incredible efficiency offsets the initial cost in the long run.

Aesthetic considerations

Some homeowners may find the indoor air-handling units of mini split heat pumps less aesthetically pleasing compared to traditional HVAC systems. While newer models feature sleek designs and compact profiles, the presence of visible indoor units may not fit with certain interior design preferences.

Limited capacity

While mini split heat pumps are suitable for heating and cooling individual rooms, they are not the best option for large, open-floor spaces or multi-story homes. In such cases, you may be better off with a ducted heat pump or central AC instead of multiple mini splits.

Climate considerations

While mini split heat pumps are capable of providing heating in cold climates, their efficiency can significantly be hampered in extremely low temperatures. Regions with prolonged periods of sub-zero temperatures may require supplemental heating sources to ensure adequate comfort.

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How to Choose the Best Mini Split Heat Pump

1. Heating capacity

The heating capacity of a mini split heat pump is measured in BTUs, or British Thermal Units. The higher the BTU, the more heat it can generate.

2. Sizing

Proper sizing for heating is complicated and needs to take many factors into account. Undersized units may struggle to adequately heat or cool the space, while oversized units can lead to inefficient operation and increased energy costs.

While some online tools can be used to give you a general idea, the only way to really know what size unit is needed is to have a trained professional do a sizing calculation for you. This is generally done on site so that the professional can analyze all relevant factors like the level of insulation, air tightness, and many other factors. 

3. Efficiency rating

When it comes to heating, the efficiency of a mini split heat pump is measured in COP, or Coefficient of Performance. 

COP is the ratio of how much heat a heat pump can generate given a certain energy input. In other words, it measures how much heat it can produce for every watt of energy. So if the heat pump has a COP of 2, it gives out 2 watts of heat for every watt of electricity used.

The higher the COP, the more efficient the mini split heat pump is. A good mini split heat pump typically has a COP ratio of 3 or more.

4. EnergyStar rating

Energy Star is a program by the EPA and Department of Energy that provides information on the energy consumption of consumer products. Appliances with the EnergyStar label are certified to be more efficient than their non-certified counterparts.

According to the DOE, an EnergyStar-certified mini split heat pump can be up to 60% more energy efficient than an electric radiator. They also save up to 4,500 lbs of greenhouse gas emissions during their operational lifespan.

5. Installation location

Mini split heat pumps come in various indoor unit configurations, including wall-mounted, ceiling cassette, floor-mounted, and ducted options. Choose the type of indoor unit that best suits your space and aesthetic preferences. Wall-mounted units are the most common choice for residential applications due to their ease of installation and versatility, but other models are available to suit different placement areas.

6. Cold climate considerations

Some mini splits are not rated to be primary heating sources. For those living in colder regions, there are specific mini split heat pumps designed to provide higher heating capacity and efficiency at low outdoor temperatures. 

Look for models rated for cold climate performance. EnergyStar certification requires third-party verified performance for low temperatures down to 5°F. Many models will list capacities at different outdoor temperatures. You can use this information to determine if a unit has enough heating capacity to handle the lowest temperatures you experience for your area.

7. Brand reputation and warranty

Research the reputation of the manufacturer and choose a reputable brand known for quality, reliability, and customer service. Then check the warranty coverage offered for the mini split heat pump, including both parts and labor. Since mini splits last for years, a comprehensive warranty can provide peace of mind and protection against unexpected repair costs.

8. Additional features

Explore extra features offered by the mini split heat pump, such as programmable thermostats, Wi-Fi connectivity, air purification, and humidity control. These features can enhance comfort, convenience, and indoor air quality, providing added value to your mini split purchase.

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The Best Mini Split Heat Pumps for 2026

Best single-zone mini split heat pump:

AUX AJAN12HP115V1C 12000 BTU Single Zone Mini Split System – Heat and Cool

The new C-SEER20 series delivers efficient cooling with outdoor temperatures ranging from 5°F to 125°F and reliable heating from -13° – 75°F -for dependable, year-round comfort. This EnergyStar-certified model delivers 12,000 BTUs cooling and 12,300 BTUs from the heat pump, while boasting high energy ratings with SEER2 Rating of 20.0 and HSPF2 of 8.5, as well as an EER2 rating of 9.6.

features over 1,900 micro-vents to create a gentle, quiet airflow, perfect for sleeping. The smart indoor unit also offers voice-control operation without the need for an app or your remote. Additionally, built-in WiFi control allows operation of your system via the app from anywhere. 

Best multi zone mini split heat pump:

Daikin 4MXM36AVJU9 36000 BTU Configurable Quad Zone Heat & Cool Split System

This outdoor unit works with wall mounted units including the CTXV and FTXV Standard units. It boasts energy efficiency levels of up to 20.0 SEER2, up to 10.0 EER2, and up to 9.5 HSPF2. 

The system is rated for 36,000 BTU Cooling Capacity and must be connected to at least two and up to four indoor units. The combined BTU ratings of the units chosen can total up to a maximum connected BTU rating of 48,000 BTUs.

The compressor incorporates technology which allows you to connect higher BTU indoor units than its 36,000 BTU capacity in case of higher heat load needs. If all four zones need full power, then each zone will split the 36,000 BTU evenly or 9,000 BTUs per zone. This is achieved by using an inverter “variable speed” compressor and R32 refrigerant, one of the refrigerants that meets the new industry standards. 

Best mini split heat pump for cold climate operation:

Friedrich FPHW123D 12000 BTU 23.0 SEER2 Floating Air Pro Series Single Zone Mini Split – Heat and Cool

This EnergyStar-certified single zone system offers 12,000 BTUs of cooling and 12,000 BTUs of heating with its heat pump. It not only meets the standard, rigid criteria needed to receive an EnergyStar Rating, it also qualifies as Cold Climate Energy Star Rated, able to operate when outside temperatures are as low as 5°F. And with its low ambient heating capacity, it can produce 6,100 BTUs with temperatures down to -13°F.

It features high efficiency ratings including a 23.0 SEER2 and a 12.25 EER2, thanks to Precision Inverter Technology and the use of low GWP R454B refrigerant. The unit is Smart Home Ready with built-in WiFi and access to Friedrich ComfortPro App for wireless control, as well as support for Google Assistant and Alexa voice commands.

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Find the Best Mini Split Heat Pumps at Total Home Supply

At Total Home Supply, mini splits are our expertise. Whether it’s single-zone, multi-zone, or mini split heat pumps, we carry the best mini split heat pumps from trusted brands, paired with industry leading warranties.

Check out our mini split heat pump options today to provide your home with a convenient heating and cooling system that’s light on your wallet and good for the environment!