Complete the kit
Key Takeaways
- Models with hyper-heat technology outperform standard heat pumps in temperatures below 0°F, but they tend to cost more upfront.
- Smart features like WiFi and Alexa compatibility are common among high-end units, offering convenience but adding to price and complexity.
- Energy efficiency ratings vary significantly—look for units with at least 17 SEER2 and 9 HSPF for cold climates.
- Installation complexity and included kits differ; pre-charged systems reduce setup time but may have limited compatibility options.
- Price range in this category is broad; investing in a higher-end model often results in better cold-weather performance and durability.
| minisplit heat pumps for cold climate | SEER2 Rating | Refrigerant |
|---|---|---|
| Senville LETO 12000 BTU Mini S | — | — |
| Rellytech 11500 BTU Ductless M | — | — |
| TOSOT Cosmo Series 12,000 BTU | — | — |
| YITAHOME 12000 BTU Ductless Mi | — | — |
| ROVSUN 9000 BTU Wifi Enabled M | — | — |
| 12000 BTU Mini Split Air Condi | 22 | R-32 |
| DELLA Optima Series 9,000 BTU | 24 | R-454B |
| ROVSUN 11500 BTU WiFi Mini Spl | 17 | R-32 |
| LITHZEN 12000 BTU Mini Split A | 18.1 | R-32 |
| Albott 12,000 BTU Mini Split A | 18 | R-32 |
| Rellytech Mini Split AC/Heatin | 20 | R454B |
| Senville LETO Mini Split Air C | — | — |
More Details on Our Top Picks
Senville LETO 12000 BTU Mini Split Air Conditioner & Heat Pump, White
The Senville LETO stands out for its versatile 4-in-1 functionality, making it a strong choice for those who want a single system to handle cooling, heating, dehumidification, and fan needs. Its compatibility with Alexa and app control adds convenience, and the included installation kit simplifies setup. Compared to the Rellytech 11500 BTU, the Senville offers a slightly higher capacity and broader smart home features, but it requires professional installation and performs best above 5F/-15C, limiting its effectiveness in extreme cold. This model is ideal for homeowners seeking a comprehensive, all-season system with smart control, willing to pay for professional installation. However, if you need reliable operation below 5F, this may not be the best choice. Pros: 4-in-1 functionality, smart home integration, complete installation kit, 5-year warranty.
Cons: Professional installation required; heat pump performance limited below 5F/-15C.
Verdict: Best suited for users who want a flexible, smart mini split that performs well in moderate cold, but not for extreme low temperatures.
Specs:- Cooling Capacity: 12000 BTU
- Functions: Air conditioning, heat pump, dehumidifier, fan
- Heat Pump Operation: Down to 5F/-15C
- Compressor: DC Inverter
- Certifications: UL Listed, AHRI Certified
- Warranty: 5 years parts and compressor
Pros:- Versatile 4-in-1 functionality (AC, heat, dehumidifier, fan)
- Smart home compatibility with Alexa and app control
- Includes complete installation kit with 16ft line set
- 5-year parts and compressor warranty
Cons:- Requires professional installation (labor not included)
- Limited heat pump performance below 5F/-15C
Best for: Homeowners seeking an all-in-one, smart mini split for moderate cold climates
Not ideal for: People needing reliable heating below 5F/-15C or seeking DIY installation
Our verdict“This system is best for users wanting a flexible, smart all-season mini split in moderate cold conditions.”
Rellytech 11500 BTU Ductless Mini Split Air Conditioner & Heater, 17 SEER2 Inverter
The Rellytech 11500 BTU excels in cold climates, reliably heating down to -4°F, which surpasses many competitors like the Senville LETO that only heats to 5F/-15C. Its ultra-quiet operation at 29 dB makes it ideal for bedrooms or quiet spaces. The system includes a pre-charged R32 refrigerant line set, simplifying installation, but it still requires professional HVAC setup and vacuum-pumping before startup. Compared to models with higher SEER ratings, this unit emphasizes cold-weather performance over maximum efficiency, making it a practical choice for extreme cold. This pick fits those who prioritize dependable heating in low temperatures and quiet operation, but buyers should note the need for professional installation and the absence of a power cord. Pros: Heats effectively down to -4°F, ultra-quiet operation, pre-charged refrigerant, includes installation kit.
Cons: Requires professional installation, vacuum-pumping needed before startup, power cord not included.
Verdict: Ideal for cold climate dwellers needing reliable heat and quiet operation, willing to invest in professional setup.
Specs:- Cooling Power: 11500 BTU
- Coverage Area: 550 sq. ft.
- SEER2 Rating: 17
- Noise Level: 29 dB
- Refrigerant: R32
- Operating Range: Down to -4°F
Pros:- Reliable heating down to -4°F
- Very quiet at 29 dB
- Pre-charged refrigerant with installation kit
- Effective in extreme cold
Cons:- Requires professional HVAC installation
- Vacuum-pumping needed before use
- Power cord not included
Best for: Residents in extremely cold climates needing reliable heating down to -4°F with quiet operation
Not ideal for: DIY installers or those seeking units that operate below -4°F
Our verdict“This model is best for those living in severe cold climates prioritizing dependable heat and silent operation.”
TOSOT Cosmo Series 12,000 BTU Mini Split Air Conditioner & Heat Pump, 19 SEER2, 230V
The TOSOT Cosmo Series brings high efficiency with a 19 SEER2 rating and the ability to operate in temperatures as low as -13°F, making it suitable for colder environments. Its inverter compressor technology ensures high energy savings, comparable or better than the YITAHOME model, but with the added advantage of a 230V power requirement that may mean electrical upgrades for some homes. Its quiet operation at 22-36 dB supports use in bedrooms and living areas. Smart control options via the Gree+ app and Google Assistant add convenience, but professional installation is a must. Compared to the ROVSUN 9000 BTU, the TOSOT offers higher efficiency and broader operating range, yet the higher voltage and installation complexity could be drawbacks. This system is ideal for those seeking maximum efficiency with cold-weather capability and smart features. Pros: Heats down to -13°F, high 19 SEER2 efficiency, smart app and voice controls, quiet operation.
Cons: Requires 230V electrical setup, professional installation needed, multiple packages may arrive separately.
Verdict: Best for energy-conscious users needing cold-weather operation with smart features who can handle professional wiring.
Specs:- Cooling Capacity: 12000 BTU
- Heating Capacity: 12000 BTU
- Efficiency Rating: 19 SEER2
- Voltage: 230V
- Operating Range: Down to -13°F
- Noise Level: 22-36 dB
Pros:- Heats effectively down to -13°F
- High 19 SEER2 efficiency for energy savings
- Smart controls via app and voice
- Quiet operation
Cons:- Requires 230V electrical connection
- Professional installation necessary
- Multiple packages may arrive separately
Best for: Homeowners seeking high efficiency and smart controls in cold climates with electrical upgrade capacity
Not ideal for: DIY installers or homes without 230V electrical wiring
Our verdict“This system is perfect for energy-savvy users in cold regions who can accommodate electrical upgrades and want smart control options.”
YITAHOME 12000 BTU Ductless Mini Split Air Conditioner & Heat Pump with WiFi and Alexa
The YITAHOME 12000 BTU offers impressive 20 SEER2 inverter technology, delivering up to 25% energy savings, and performs well across a wide temperature range from 5°F to 118°F. Its quiet operation below 41 dB makes it suitable for bedrooms and living rooms. While its coverage area of 750 sq. ft. surpasses some competitors like the ROVSUN 9000 BTU, it requires professional installation, and the 50-foot airflow reach is ideal for larger spaces. Its compatibility with WiFi, Alexa, and Google Assistant simplifies control. However, it ships in two packages, and the side protection grille is not included, which could be inconvenient. Compared to the Senville LETO, this model emphasizes energy efficiency and broader temperature performance, but the higher price and installation complexity could be drawbacks. It fits users wanting a high-efficiency, all-weather system with smart features. Pros: 20 SEER2 inverter for significant energy savings, quiet at 41 dB, WiFi and voice control, wide temperature range.
Cons: Requires professional installation, no included side protection grille, ships in multiple packages.
Verdict: Best for users seeking maximum energy savings and all-weather performance in larger spaces with smart controls.
Specs:- Cooling Power: 12000 BTU
- Coverage Area: 750 sq ft
- SEER2 Rating: 20
- Noise Level: 41 dB
- Refrigerant: R-32
- Temperature Range: 5°F to 118°F
Pros:- High 20 SEER2 inverter efficiency for energy savings
- Effective from 5°F to 118°F
- WiFi and voice control compatibility
- Quiet operation
Cons:- Requires professional installation
- Additional parts not included (side grille)
- Multiple packages may arrive separately
Best for: Homeowners wanting high efficiency and flexible temperature operation with smart features for larger spaces
Not ideal for: DIY enthusiasts or those seeking units with simpler installation requirements
Our verdict“Ideal for users who prioritize energy efficiency and broad temperature range in larger areas with smart control options.”
ROVSUN 9000 BTU Wifi Enabled Mini Split Air Conditioner & Heater with Inverter, 20 SEER2, 115V Ductless Split AC Unit with Pre-Charged Condenser, Heat Pump & Installation Kit
The ROVSUN 9000 BTU excels in small spaces up to 400 sq.ft., offering 20 SEER2 efficiency and a whisper-quiet 28 dB operation, making it a prime choice for bedrooms or cozy offices. Its inverter technology automatically adjusts to save energy, and the pre-charged condenser simplifies installation for experienced DIYers or professionals. It can operate down to 28°F, but unlike larger models such as the TOSOT, it isn’t designed for extreme cold temperatures below freezing. Its compact size and low noise make it stand out for limited spaces, but the lower capacity limits its usefulness in larger rooms. Compared to the YITAHOME or Rellytech, it offers less coverage but superior quietness and compactness. This unit suits those with small rooms in cold climates who prioritize minimal noise and energy efficiency. Pros: Quiet at 28 dB, high efficiency (20 SEER2), pre-charged for easy installation, perfect for small spaces.
Cons: Limited to 400 sq.ft., not suitable for extreme cold below 28°F, requires professional or experienced DIY installation.
Verdict: Best for small rooms in cold climates needing quiet operation and energy savings, but not for large or extremely cold spaces.
Specs:- Cooling Power: 9000 BTU
- Coverage Area: 400 sq ft
- SEER2 Rating: 20
- Noise Level: 28 dB
- Refrigerant: R-32
- Operating Range: Down to 28°F
Pros:- Very quiet at 28 dB
- High 20 SEER2 efficiency
- Pre-charged refrigerant for easier installation
- Compact size fits small spaces
Cons:- Limited to 400 sq.ft.
- Not suitable for extremely cold temperatures below 28°F
- Requires professional or experienced DIY installation
Best for: Small rooms in cold climates where quiet operation and energy efficiency are priorities
Not ideal for: Larger spaces or locations with temperatures below 28°F
Our verdict“Ideal for small, quiet spaces in cold climates that require efficient, low-noise heating and cooling.”
12000 BTU Mini Split Air Conditioner & Heat Pump, 115V, 22 SEER2
This Temprium model stands out for its combination of high efficiency and quiet operation, making it well-suited for colder climates where reliable heating is essential. Its 22 SEER2 inverter technology and eco-friendly R32 refrigerant deliver impressive energy savings, especially compared to the ROVSUN’s 17 SEER2 rating. The unit’s ability to operate down to 5°F sets it apart from many models that struggle in low temperatures, making it a dependable choice for winter heating. However, it requires professional installation, and the absence of advanced filtration may limit air quality improvements. Compared to the Lithzen 18.1 SEER2 unit, it prioritizes efficiency and noise reduction, though it might be more complex to service.
Pros:- High 22 SEER2 inverter efficiency reduces energy bills during winter and summer
- Operates quietly at just 23 dB, ideal for bedrooms or living rooms
- Effective down to 5°F, ensuring reliable heating in cold weather
- WiFi control and voice compatibility for modern convenience
Cons:- Requires professional installation, increasing upfront costs
- No detailed warranty information provided upfront
- Only offers basic filtration without advanced air quality features
Best for: Homeowners in cold climates who prioritize high energy efficiency and quiet operation.
Not ideal for: DIY enthusiasts or those seeking a budget-friendly, easy-to-install solution without professional help.
- Cooling Capacity:12000 BTU
- Heating Capacity:12300 BTU
- SEER2 Rating:22
- Voltage:115 volts
- Noise Level:23 dB
- Refrigerant:R-32
Our verdict“This model is ideal for those needing a highly efficient, quiet heat pump capable of handling cold winters with minimal noise.”
DELLA Optima Series 9,000 BTU Mini Split Air Conditioner with Heat Pump, Hyper Heat to -13°F, Up to 400 Sq. Ft., 24 SEER2, 115V, WiFi & Alexa, 16.4ft Installation Kit
The DELLA Optima Series offers a compact yet powerful solution for small rooms up to 400 sq. ft., with the ability to operate down to -13°F thanks to hyper heat technology. Its 24 SEER2 inverter provides excellent energy efficiency, rivaling higher-capacity models like the Temprium, but in a smaller footprint. The included pre-charged line set simplifies installation, although it still requires professional setup, similar to the Lithzen model. The unit’s quiet operation at 30 dB and smart control features make it appealing for bedrooms or offices in cold climates. Compared to the ROVSUN, it excels in colder environments but covers less area overall.
Pros:- Hyper heat technology allows operation down to -13°F, outperforming many competitors
- Compact size perfect for small rooms or apartments
- High energy efficiency with 24 SEER2 inverter
- Includes pre-charged, easy-to-install line set
Cons:- Limited to 400 sq. ft. coverage, unsuitable for larger spaces
- Requires professional installation and line set connection
- Higher cost per square foot compared to larger units
Best for: Residents with small living spaces in regions with harsh winters needing reliable, efficient heating.
Not ideal for: Larger homes or spaces exceeding 400 sq. ft., as its capacity might be insufficient.
- Cooling Capacity:9000 BTU
- Heating Capacity:10,000 BTU
- SEER2 Rating:24
- Maximum Operating Temperature:-13°F
- Noise Level:30 dB
- Refrigerant:R-454B
Our verdict“Ideal for small spaces where reliable cold-weather heating and quiet operation are priorities.”
ROVSUN 11500 BTU WiFi Mini Split Air Conditioner & Heater, 17 SEER2 115V Ductless Inverter System with Heat Pump and Installation Kit
The ROVSUN model offers a versatile all-season solution, combining cooling, heating, dehumidifying, and fan modes within a single unit. Its 17 SEER2 rating reflects moderate energy efficiency, slightly below the Temprium’s 22 SEER2 but adequate for budget-conscious buyers. It operates in temperatures down to 5°F, making it suitable for milder cold climates but less reliable in extreme cold compared to the Lithzen or the DELLA units. The ultra-quiet 29 dB operation and WiFi control add convenience, though professional installation is required, and the refrigerant adjustment may be needed if line length exceeds 25 ft. It’s a strong choice for those wanting year-round comfort without high upfront costs.
Pros:- All-in-one heating, cooling, dehumidifying, and fan functions
- Moderate 17 SEER2 efficiency with good seasonal performance
- WiFi app and voice control for convenience
- Ultra-quiet operation perfect for bedrooms
Cons:- Lower efficiency compared to models like Lithzen or Temprium
- Installation requires professional setup, adding cost
- Limited performance in very low temperatures below 5°F
Best for: Homeowners in regions with moderate winter cold who want a flexible, budget-friendly climate control system.
Not ideal for: Extreme cold climates below 5°F or large spaces over 600 sq. ft., where capacity and low-temperature performance may fall short.
- Cooling Power:11500 BTU
- Heating Capacity:11500 BTU
- SEER2 Rating:17
- Operating Temperature Range:5°F – 122°F
- Noise Level:29 dB
- Refrigerant:R-32
Our verdict“A solid choice for moderate climates where year-round comfort with decent efficiency and quiet operation is desired.”
LITHZEN 12000 BTU Mini Split Air Conditioner & Heater, 115V 18.1 SEER2 WiFi Inverter Ductless AC & Heat Pump
The Lithzen 12000 BTU model strikes a balance between high efficiency and robust cold-weather performance, boasting an 18.1 SEER2 rating and the ability to operate in temperatures as low as 5°F. Its inverter technology provides substantial energy savings over basic units like the ROVSUN, and the quieter operation at just 23 dB makes it suitable for bedrooms or quiet spaces. Compared to the Temprium, Lithzen’s higher SEER2 rating and lower noise level make it a more refined choice for those in very cold climates. However, it’s a more complex system requiring professional installation and may be overkill for smaller spaces or less demanding environments.
Pros:- High 18.1 SEER2 inverter efficiency for significant energy savings
- Operates down to 5°F, suitable for severe winters
- Very quiet operation at 23 dB, ideal for bedrooms
- WiFi control and smart app compatibility
Cons:- Requires professional installation and refrigerant handling
- Higher initial cost compared to simpler models
- Potentially overpowered for small or moderate climates
Best for: Homeowners seeking high efficiency and reliable heating in very cold climates up to 5°F.
Not ideal for: Budget-conscious buyers or those with small rooms under 600 sq. ft., due to higher cost and installation complexity.
- Cooling Power:12000 BTU
- Heating Capacity:12000 BTU
- SEER2 Rating:18.1
- Operating Temperature Range:5°F
- Noise Level:23 dB
- Refrigerant:R-32
Our verdict“Perfect for those needing top-tier efficiency and low-temperature operation in harsh winter environments.”
Albott 12,000 BTU Mini Split Air Conditioner and Heater, SEER2 18, 115V
The Albott 12,000 BTU system offers a robust capacity suitable for larger spaces up to 750 sq. ft., with a solid SEER2 18 rating that balances efficiency and performance. Its operating range from 5°F to 122°F makes it a dependable choice for cold climates, comparable to the Lithzen but with a slightly broader coverage area. The inclusion of self-cleaning features and a five-year compressor warranty adds value, though it requires professional installation and the addition of a new outdoor unit. While not as energy-efficient as the Temprium, it provides greater space coverage, making it better suited for bigger homes or multi-room setups.
Pros:- Strong 18 SEER2 efficiency for energy savings
- Reliable operation down to 5°F for cold climates
- Large coverage area of up to 750 sq. ft.
- Includes self-cleaning feature and extended warranty
Cons:- Requires professional installation and outdoor unit setup
- Higher upfront investment compared to smaller units
- Less portable and more complex to service
Best for: Homeowners with larger living spaces needing reliable heating in cold weather.
Not ideal for: Small apartments or budget-conscious buyers who prefer simpler, less costly systems.
- Cooling Power:12000 BTU
- SEER2 Rating:18
- Operating Temperature Range:5°F – 122°F
- Coverage Area:750 sq. ft.
- Refrigerant:R-32
- Warranty:5-year compressor
Our verdict“Ideal for larger homes or spaces in cold regions where dependable heating and efficiency matter most.”
Rellytech Mini Split AC/Heating System 12000 BTU Heat Pump, 20 SEER2, 115V
The Rellytech 12000 BTU mini split stands out for its combination of high energy efficiency and reliable performance in extreme temperatures, making it a top choice for cold climates. Its 20 SEER2 inverter technology delivers 30% better efficiency than models like the Senville LETO 12,000 BTU, which typically max out at lower SEER ratings. The unit’s broad operating temperature range (-13°F to 122°F) ensures consistent comfort during harsh winters. While it requires professional installation and doesn’t include a power cord, its comprehensive kit and 8-year warranty offer peace of mind. Compared to less efficient options, this model emphasizes long-term savings and reliable heating in extreme cold, but the need for licensed installation can be a hurdle for DIY enthusiasts.
Pros:- Exceptional 20 SEER2 inverter efficiency, lowering energy costs in winter
- Wide temperature operating range from -13°F to 122°F
- Includes a complete installation kit and long 8-year warranty
Cons:- Requires professional HVAC installation, adding to upfront costs
- Power cord not included, which may complicate setup
Best for: Homeowners in very cold regions seeking high efficiency and durability with professional installation.
Not ideal for: Renters or DIY installers who prefer plug-and-play units or have limited installation options.
- Cooling Power:12000 BTU
- SEER2 Rating:20
- Voltage:115V
- Wattage:1050 watts
- Refrigerant:R454B
- Noise Level:28 dB
- Coverage Area:750 sq ft
- Operating Temperature Range:-13°F to 122°F
- Warranty:8 years
Our verdict“This model is best suited for homeowners in cold climates who prioritize efficiency and reliability over DIY installation convenience.”
Senville LETO Mini Split Air Conditioner & Heat Pump, 24000 BTU, White
The Senville LETO 24,000 BTU offers a flexible solution suitable for larger spaces and moderate cold climates, especially with its functional down to 5°F (-15°C). Its Alexa-enabled smart features and app control make remote operation straightforward, distinguishing it from more basic units like the Rellytech 12,000 BTU. The inclusion of a 16 ft pre-charged line set simplifies installation, but professional setup is still required, and labor costs are not covered by the warranty. While its heating capacity is impressive, performance at very low temperatures may not match models explicitly designed for extreme cold, and its higher capacity means higher initial costs. This makes it ideal for larger spaces or users prioritizing smart features and versatile functionality in milder winter conditions.
Pros:- Alexa-enabled smart control and app integration for remote operation
- Versatile 4-in-1 functionality: cooling, heating, dehumidifying, and fan
- Pre-charged refrigerant line set simplifies professional installation
Cons:- Requires professional installation, with associated labor costs
- Performance may diminish in temperatures below 5°F, limiting cold weather reliability
Best for: Homeowners or businesses needing a powerful, smart-controlled heat pump for moderate winter conditions and larger areas.
Not ideal for: Users in very cold climates expecting reliable operation below 5°F or seeking a compact unit for small rooms.
- Capacity:24000 BTU
- Color:White
- Heating Function:Up to 5°F/-15°C
- Functions:Cooling, heat pump, dehumidifier, fan
- Smart Features:Alexa enabled, app control
- Line Set Length:16 ft
- Refrigerant Pre-charge:Up to 25 ft
- Warranty:5 years parts, 5 years compressor
Our verdict“This unit is well-suited for larger spaces needing smart control and moderate cold performance, but not for extreme winter conditions.”
