5 Best Mini Split Heat Pumps for Cold Weather

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Best Mini Split Heat Pump for Cold Weather

The best mini-split heat pump for cold weather must have two key characteristics that make it stand out. They include the ability to gather heat in low outdoor temperatures and excellent HSPF (Heating Season Performance Ratio) efficiency.

These are two features that save users money on energy bills. They define the best mini split heat pump.

This article will help you search for the best heat pump models and brands to find the top picks for cold climates. The best model has the best HSPF efficiency ratings and comes with other outstanding features.

Table Of Contents

The Best Cold Climate Mini Split Heat Pumps

  1. Best Overall: Commercial Cool 18,000 BTU
  2. Best Small Size: Daikin Aurora 9,000 BTU 20 SEER
  3. Best for Energy Efficiency: PIONEER WYS012AMFI22RL
  4. Best for 1000 sq ft: Mitsubishi 24,000 BTU
  5. Best Budget Model: LG Mini-Split Indoor AC Unit 
  6. Best for DIY Installation: MRCOOL DIY 24k BTU 20 SEER
  7. Best for Single Zone: Senville LETO Series

What Is a Mini Split Heat Pump?

A mini split heat pump is a type of air conditioning system that uses a heat pump to regulate the temperature in a room or building. The mini split heat pump is ductless, meaning it does not require ductwork to circulate the air. This makes it an ideal option for homes and businesses that do not have existing ductwork or want to avoid installing it. Mini split heat pumps are also more energy-efficient than traditional HVAC systems, saving you money on your energy bill.

If you are considering a mini split heat pump for your home or business, it is essential to understand how they work and its benefits. Here is a brief overview of mini split heat pumps:

Mini split heat pumps use refrigerant to cool and heat the air in a room or building. The refrigerant circulates through a system of coils and evaporates at low temperatures to create a cooling effect. When the temperature outside is warm, the refrigerant evaporates and absorbs heat from the air, which is pumped into the room or building to raise the temperature. This process can be reversed in the winter to provide heating.

Related: Heat Pump vs. Gas Furnace Calculator

Mini split heat pumps offer several benefits over traditional HVAC systems, including:

Energy efficiency: Mini split heat pumps are more energy-efficient than traditional HVAC systems because they do not require ductwork.

Lower operating costs: Mini split heat pumps typically have lower operating costs than traditional HVAC systems.

Flexible installation options: Mini split heat pumps can be installed in various locations and do not require ductwork.

Improved indoor air quality: Mini split heat pumps improve indoor air quality by circulating fresh, filtered air into the room or building. If you are considering a mini split heat pump for your home or business, contact a local HVAC contractor to discuss your options and get a free estimate.

Here are the types of mini-split heat pumps to know before making your next purchase:

  • Single-zone mini-split heat pumps
  • Wall-mounted mini split
  • Floor mounted mini split
  • Ceiling cassette mini-split
  • Concealed ductless mini-split
  • Smart mini-split pumps

Related: Best Kerosene Heater For Indoor Use – 5 Top Choices in 2023

Fujitsu, LG, and Mitsubishi Cold Heat Pump Weather Performance Comparison

Here are a few things to look at and choose the best mini-split heat pump brand:

Fujitsu Mini-Split Cold Weather Performance

Fujitsu mini-split heat pump comes in different styles, sizes, and rated temperatures. This model features outdoor condensing units that can run in temperatures as low as -15ºF. This is lower than any other mini-split brand available.

Mitsubishi Cold Climate Mini Split

If you live in an area with cold-weather conditions, Mitsubishi mini-split heat pump is a worthy pick. This model features hyper-heating technology, provides 100% heating capacity at 5° F, and continues running smoothly up to -13° F.

LG Cold Weather Mini Split

An LG cold weather mini-split can heat at 100% in an area as cold as 5°F and will continue to heat when temperatures get down as low as -13°F. However, the heat pump will also provide low ambient cooling to 14°F.

How Do Mini Split Heat Pumps Work In Cold Weather?

If you are looking forward to buying your first mini split heat pump, this will leave you with one fundamental question. Do mini split heat pumps work in cold weather?

The best answer is YES. Mini-split heat pumps work exceptionally well in cold weather.

Some models can also work in freezing weather. So you need to pick a mini-split heat pump that will work best in your locality.

A standout model will transfer warm heat from outside your house and draw it inside your home. It will increase the temperatures to desired levels and keep your rooms warm.

The new interior conditions will improve your breathing and keep your house warm. You will no longer have to worry about cold weather conditions during winters.

Best Overall Mini Split Heat Pump

Commercial Cool 18,000 BTU 17 SEER Ductless Mini Split Air Conditioner with Heating System


Commercial Cool 18,000 BTU 17 SEER Ductless Mini Split Air Conditioner with Heat, No HVAC Installer Required, 220V

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When looking for the best heat pump system, one key question will always come up: What are the top-notch models on sale? MAXWELL 9,000 BTU Daikin Aurora 20 seer low ambient ductless mini-split heat pump is one of the top picks. But it’s wise to look beyond one brand. 

Make Commercial Cool 18,000 BTU 17 seer ductless mini split AC with a heating system your number one choice in the next purchase. It is a powerful, quiet model that guarantees 18,000 BTU cooling and 19,000 BTU heating. With the 17 SEER, you have an efficient model to solve all your heating and cooling woes. 

It comes with the iFeel function that makes it easy to control your room temperature during the summer and winter at 45/52.6 dB. You will like the 4-in-1 functionality because it’s easy to cool, heat, fan, and humidify your rooms. Plus, the refrigerant: R410A is eco-friendly, absorbs and discharges heat better, and is more efficient even with years of use.

This model can heat around 1000 square feet with the 220V ductless split providing steady heating and cooling. The corded electric power source guarantees excellent electrical work and will auto restart during power shortage.

If you are a DIY fan, you’ll love that installing the Commercial Cool mini split AC is pretty simple. You need a complete installation accessory kit, a pre-charged line set (an indoor and outdoor unit within desired dimensions), quick connector to DIY. Feel free to read the provided manual if you are stuck.

Product Specs

  • Cooling power– 18000 British Thermal Units
  •  Brand– Commercial Cool
  •  Functions– Commercial Cool


  • Whisper quiet
  • Remote control with sleep mode and timer
  • Removable filter easy to clean
  • Efficient and quick heating and cooling 
  • Unparalleled control over individual spaces and rooms


  • Even with its ease of installation, you must seek a licensed electrician’s services.

Check the Commercial Cool 18,000 BTU’s latest prices on Amazon

Best Small Size Mini Split Heat Pump

Daikin Aurora 9,000 BTU 20 SEER Air Conditioner Heat Pump

DAIKIN 9000 BTU 17 SEER Wall Mounted Ductless Mini Split Inverter Air Conditioner Heat Pump System

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The Daikin Aurora 9,000 BTU 20 SEER Air Conditioner Heat Pump is a high-efficiency air conditioner that can also function as a heat pump. It has a Seasonal Energy Efficiency Ratio (SEER) of 20, making it one of the most efficient air conditioners on the market. The Aurora also features a two-stage compressor, which helps to improve its efficiency and performance. Additionally, this air conditioner has a programmable thermostat so you can easily control the temperature in your home.

Daikin Aurora 9,000 BTU Features

  • It guarantees adequate heating capacity at 5°F, and you can run it as low as -13°F. Hence, you will have a unit to use all seasons long.
  • This wall-mounted ductless mini split heat pump comes with a 20.3 SEER rating making it viable to heat or cool any home.
  • It can cover a space of up to 750 sq. ft., making it an ideal model for your bedroom or living area.
  •  The model guarantees robust operation and offers a 20-minute boost even if the unit runs at high capacity.

Product Specs

  • Cooling power– 9,000 BTU
  • Brand– Maxwell
  • Power Source– DC electric


  • Impeccable reliability
  • Efficient heat pump for cold climates
  • Quieter outdoor heat pump


  • Requires professional installation assistance

Check the Daikin Aurora 9,000 BTU 20 SEER’s latest prices on Amazon

Best for Energy Efficiency Mini Split Heat Pump

PIONEER WYS012AMFI22RL Mini Split Heat Pump

PIONEER WYS012AMFI22RL Mini Split Heat Pump, 12000 BTU

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The PIONEER WYS012AMFI22RL Mini Split Heat Pump is an excellent choice for energy-efficient heating and cooling solutions. This mini split heat pump features a 12,000 BTU capacity and can be used in single- and multi-zone applications. Additionally, this unit features a variable-speed compressor that helps reduce energy consumption and noise levels. With its compact design, the PIONEER WYS012AMFI22RL Mini Split Heat Pump is perfect for small spaces.

You won’t go wrong by picking the PIONEER WYS012AMFI22RL mini split heat pump. It is an ultra-high-efficiency ductless mini-split ideal for heating and cooling your home.

It is built with the latest technologies to guarantee unparalleled efficiency, performance, and comfort.


  • It comes with a high-efficiency inverter and offers 12,000 BTU cooling output.
  • The model guarantees a 22.5 SEER rating, making it one of the most efficient mini split heat pumps.
  • This mini split heat embraces the intelligent on-off technology that allows it to save energy and cut consumption automatically.
  • Indoor fan speed is automatically regulated from the lowest grade to the setting grade. This prevents cold air from blowing out, causing discomfort to users.
  • The right and left sides of the indoor unit can outstretch for easy installation via 2-way draining.
  • This mini-split heat pump is remote-controlled, allowing users to cool or heat their rooms stress-free.

Product Specs

  • Cooling power– 12,000 BTU
  • Brand– Pioneer
  •  Power Source– Corded electric


  • Very quiet when in operation
  •  High-efficiency cooling and heating
  • Energy efficient


  •  Not easy to DIY install

Check the PIONEER WYS012AMFI22RL Mini Split Heat Pump’s latest prices on Amazon

Best Mini Split Heat Pump for 1000 sq ft

Mitsubishi 24,000 BTU Air Conditioner Heat Pump Split AC 

Mitsubishi 24000 BTU Air Conditioner Heat Pump Split AC

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Mitsubishi’s 24,000 BTU air conditioner heat pump split AC is an excellent choice for those looking to cool and heat their home or office. This unit can cool and heat your space, making it a great all-season solution. The split AC design allows this unit to be easily installed in most spaces. Finally, the Mitsubishi 24,000 BTU air conditioner heat pump split AC has various features that make it a top choice for many consumers.

Mitsubishi is a leader in mini split cooling and heating. The brand has transformed how many people perceive heating and cooling worldwide. 

With this Mitsubishi 24,000 BTU split heat pump; you have a one-of-a-kind model. The Mitsubishi cold climate heat pump guarantees impeccable heating performance in freezing climates thanks to its outstanding features. 

Mitsubishi 24,000 BTU Features

  • This mini split heat pump uses smart set technology to guarantee unparalleled cold-weather performance. 
  • It is easy to set to the economy cool mode, which helps save more energy as you can easily operate it under reduced capacity and at a set temperature.
  • This Mitsubishi mini split heat pump is ideal for around 1000 square feet of space and saves a lot of space.
  • The inverter technology allows easy power adjustment and reduces temperature fluctuations giving users the right amount of cooling and heating comfort. 

Product Specs

  • Cooling power– 24,000 BTU
  • Brand– Mitsubishi
  • Power source- Corded electric


  • It saves a lot of space
  • Effective and reliable for cooling a home
  • It relies on advanced cooling and heating technologies


  • Must be installed by a licensed and qualified HVAC technician

Check the Mitsubishi’s 24,000 BTU air conditioner heat pump split AC’s latest prices on Amazon

Best Budget Mini Split Heat Pump

LG Mini-Split Indoor AC Unit 

LG Mini-Split Indoor AC Unit

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Looking for a powerful yet compact air conditioner? Check out the LG Mini-Split Indoor AC Unit. This AC unit packs a punch yet is small enough to fit tight spaces. Perfect for homes or businesses with limited space, the LG Mini-Split Indoor AC Unit is an excellent option for those looking for an efficient air conditioner. The LG Mini-Split Indoor AC Unit uses inverter technology to save energy costs. Additionally, the unit is designed for easy installation and has various features to make use simple and convenient. With its sleek design and quiet operation, the LG Mini-Split Indoor AC Unit is an excellent addition to any space.

Its excellent features make it a top pick among other models despite offering 12,000 BTU. This mini-split heat pump model can function at a maximum capacity down to -5°F.

LG Mini-Split Indoor AC Unit Features

  • This LG cold weather mini split is wall mounted for easy use and accessibility.
  • The 12,000 BTU cooling output makes it easy to heat and cool different rooms in your house.
  • It is Wi-Fi built and operated, making it easy to cool and heat homes virtually from anywhere.
  • It has a wireless remote control feature, making it easy to operate your LG mini-split heat pump.
  • The jet cool/jet heat feature makes it easy to operate the unit at high speed for up to 30 minutes and cool or heat a room.
  • It features an inverter compressor that ramps up and down to match the efficiency capacity of the system and maintain comfort levels.

Product Specs 

  • Cooling power– 12,000 BTU
  • Brand– LG
  • Power Source– Corded electric


  • Flexible and small size
  • High-efficiency series
  • Provides more natural air circulation
  • Budget-friendly


  • Installation requires professional assistance to size the indoor unit correctly.

Check the e LG Mini-Split Indoor AC Unit’s latest prices on Amazon

Best Mini Split Heat Pump for DIY Installation

MRCOOL DIY 24k BTU 20 SEER Ductless Heat Pump 

MRCOOL DIY 24k BTU 20 SEER Ductless Heat Pump 

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The MRCOOL DIY 24k BTU 20 SEER Ductless Heat Pump is the perfect way to heat and cool your home. This energy-efficient system provides heating and cooling, making it ideal for all seasons. With a simple installation process, this ductless heat pump is perfect for do-it-yourselfers. Plus, the included remote control makes it easy to adjust the temperature from anywhere in the room. Whether you’re looking to save money on your energy bill or create a more comfortable home environment, the MRCOOL DIY 24k BTU 20 SEER Ductless Heat Pump is the perfect solution.

MRCOOL DIY 24k BTU Features

  • It is a ductless mini split heat pump with enhanced WIFI designed to make setup easy and quick.
  • It is a 24,000 BTU unit with 20 SEER, quite adequate for heating and cooling your home.
  • It is specially designed to heat and cool up to a 100 square feet room effectively and efficiently. 
  • This model comes with a SmartHVAC app compatible with Google Assistant and Alexa.
  • It features a variable-speed DC inverter compressor for leakage protection while maintaining ideal air comfort.

Product Specs

  • Cooling power– 24,,000 BTU
  • Brand– MRCOOL
  • Power Source– Corded electric


  • Easy DIY installation
  • Low ambient cooling 
  • Remote and Wi-Fi controlled
  • Effective and reliable for year-round cooling and heating 


  • A bit expensive for some consumers

Check the MRCOOL DIY 24k BTU 20 SEER’s latest prices on Amazon

Best for Single Zone Mini Split Heat Pump

Senville LETO Series Mini Split Air Conditioner Heat Pump

Senville LETO Series Mini Split Air Conditioner Heat Pump, 12000 BTU 110:120V, Works with Alexa

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With the high demand for mini split heat pumps, you should settle for the model that satisfies your heating and cooling needs. The Senville LETO series mini split air conditioner heat pump is the go-to model with matchless features and capabilities. 

Senville has been a critical player in the mini split heat pump market, and with this model, you have a high-quality single-zone system. It is designed with expertise for home and business use and guarantees durable performance.

It is a 4-in-1 mini split heat pump with air conditioning, a dehumidifier, a built-in heat pump (up to 5F/-15C), a fan, and a turbo function. This heat pump also offers high-efficiency thanks to the powerful DC inverter compressor and will save you from paying massive amounts of money for electricity. It is an effective model that makes it easy to heat, cool, and dehumidify your home and enjoy complete climate control. 

Senville LETO Series offers a remarkable cooling power of 12,000 units and is excellent in up to 200 square feet of space. With the 19 seasonal energy efficiency ratios (SEERs) this model offers, you will enjoy better efficiency with quieter performance. 

The model blends virtually into any space in your home or business premises. Significantly, you can effectively control the heat pump from anywhere using a remote control. This heat pump is also ALEXA enabled, and you can use app control or voice and save more energy in the process. You should ensure it’s properly installed and working efficiently.

Senville LETO Series features

  • Cooling Power– 12,000 BTU
  • Brand– Senville
  • Power Source– DC Electric


  • Keeps your home comfortable 
  • Energy efficient 
  • Quieter and better cooling and heating
  • Remote control from virtually anywhere 
  • Ideal for different room sizes and application 


  • It may not provide little comfort and cooling on hotter days.

Check the Senville LETO Series’s latest prices on Amazon

Mini Split Heat Pump Buying Guide 

When considering the purchase of a mini split heat pump, it is essential to consider the climate in which the unit will be used, the efficiency of the unit, the size of the unit, and the installation cost. The climate is important because some heat pumps are not designed for freezing climates. The unit’s efficiency is also essential, as this will determine how much money you will save on your energy bills. The size of the unit is also essential, as you need to ensure that it will be able to heat or cool your home correctly. Finally, the installation cost is something that you should factor into your decision, as this can be pretty expensive.

Important things to consider include:

  • Sizing– You must consider the physical size of the area you want to cool or heat. Every mini split heat pump has a rated output for cooling and heating capacity. The unit of choice should satisfy your needs and be suitable for different rooms.
  • Installation– Most mini split heat pumps require the installation services of an expert. Even though there are DIY designs, it’s wise to ensure the units are correctly installed.
  • Brand reputation– The HVAC market is broad, and you should get your mini-split heat pumps from widely recognized brands. Top picks for cold climate mini split heat pumps include LG, Mitsubishi, Fujitsu, Olmo, MRCOOL, Senville, and Cooper & Hunter.

Why Choose Cold Climate Mini Split Heat Pump

  • It guarantees better heating of individual rooms.
  • Users can enjoy improved energy efficiency once installed.
  • It is easy to install as you need to connect outdoor and indoor components with a three-inch hole. 
  • Increased flexibility in their placement as you can mount them on the wall or suspend them from the ceiling.

Mini Split Heat Pump Limitations

Significant limitations of a mini-split pump relate to installation. Some brands are not easy to DIY, and you need to hire an HVAC expert. The whole procedure can be pretty expensive.

Best Mini Split Heat Pump FAQs

What Is the Lowest Temperature a Mini Split Heat Pump Works?

As the name suggests, mini split heat pumps are designed to work in smaller spaces than traditional heat pumps. They are also more efficient, making them a popular choice for homeowners looking to save on energy costs. But what is a mini split heat pump’s lowest temperature?

The answer depends on the model and makes of the heat pump. Some models are designed to work in temperatures as low as -15 degrees Fahrenheit, while others may only be able to handle temperatures down to 30 or 40 degrees. It’s essential to check the specifications of your particular model before purchasing to ensure it will meet your needs. In general, though, most mini-split heat pumps will be able to provide adequate heating even in relatively cold climates

. So if you’re worried about the lowest temperature a mini split heat pump can work in, rest assured that it’s likely to be able to handle whatever Mother Nature throws your way.

How Cold Will a Mitsubishi Heat Pump Work?

A Mitsubishi heat pump will continue working effectively and deliver reliable heat when temperatures are as low as -13° F.

Which Heat Pump Works Best In Cold Weather?

The Mitsubishi’s M-Series is a standout heat pump model that will maintain its full heating capacity down to 5F. It will efficiently produce reliable heat down to -13F.

Can you use a mini-split heat pump in a 2500-square-foot house?

Yes, you can use a mini-split heat pump in a 2500-square-foot house. However, you may need more than one unit to heat and cool the entire house evenly. Mini-split heat pumps are very efficient and can save you money on your energy bills.

Should I Leave My Mini Split on All the Time?

Many wonder if they should always leave their mini split air conditioner on as the weather starts warming. There is no definitive answer to this question, as it depends on several factors. Here are a few things to consider when making your decision:-The temperature outside: If it is consistently hot outside, then it may be beneficial to leave your mini split on all the time. This way, you can ensure that your home remains cool and comfortable without worrying about the unit cycling on and off too frequently.

The size of your unit: The larger the mini split, the more energy it will consume. If you have a smaller unit, it may be more cost-effective to leave it on all the time, rather than cycling it on and off.-Your personal preference: Some people prefer to have their air conditioner running all the time, while others are more comfortable with it cycling on and off. Ultimately, the decision is up to you. Consult a qualified HVAC technician if you have any concerns about energy efficiency or your mini split unit.

How does a heat pump work in winter?

A heat pump uses a small amount of energy to move heat from one place to another. In winter, it pulls heat out of the cold air and pumps it into your home. A heat pump can also reverse in the summer, drawing heat out of your home and pumping it into the air outside. Heat pumps are very efficient and can save money on energy bills.

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