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6 Best Alternatives to the Nexmetal 48V DC battery powered Mini Split (2026)

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The Nexmetal 36,000 BTU 48V DC Mini Split is designed for off-grid homes using 48V batteries. It delivers direct DC power for maximum efficiency, making it a strong option for solar setups. If you are looking for nexmetal 48v DC battery powered mini split alternatives, you may need different specifications for your space.

This unit runs on 48V DC without an inverter, which saves energy. However, you might prefer a multi-zone system to control temperatures in separate rooms. Some buyers also want higher SEER2 ratings for better efficiency. The alternatives listed here were chosen because their specs overlap with the original. These options include quad and quint zone models from brands like TOSOT, Senville, and TURBRO. They offer varying capacities and efficiency ratings to fit different home layouts. You can compare these models to find the best fit for your climate control needs.

How the alternatives compare

TOSOT Cosmo 36K BTU Quad Zone

The TOSOT Cosmo 36K BTU Quad Zone focuses on multi-room efficiency rather than DC power. It delivers 21 SEER2 ratings, which is a high efficiency standard for AC units. This system splits cooling across four separate zones, allowing independent temperature control for each room. Unlike the Nexmetal, it uses standard AC voltage and requires an inverter if you are on solar. You should choose this if you need precise climate management for multiple spaces and have reliable grid power. It gives up direct DC compatibility but offers superior energy efficiency and zoning flexibility for typical homes.

Senville 36k BTU 4-Zone Mini Split

The Senville 36k BTU 4-Zone Mini Split is built for smart home integration and cold-weather heating. It also divides capacity into four zones, providing independent control for different areas of your home. This model prioritizes connectivity and performance in lower temperatures over the Nexmetal’s off-grid DC design. It runs on standard AC power, so it does not fit directly into 48V battery systems without conversion. Pick this unit if you value smart features and reliable heating in cold climates. It sacrifices the direct DC efficiency of the Nexmetal for advanced zoning and modern smart home compatibility.

TURBRO 5-Zone 42K BTU Mini Split

The TURBRO 5-Zone 42K BTU Mini Split offers the highest capacity and zone count in this list. It provides 22 SEER2 efficiency and splits power across five separate rooms. This system is ideal for large homes needing extensive climate control. Unlike the Nexmetal, it uses standard AC input and lacks native 48V DC support. You should select this if you prioritize maximum efficiency and multi-room independence over off-grid capability. It gives up the direct battery connection but delivers higher SEER2 ratings and broader zone coverage for larger residential spaces requiring precise temperature management.

Della 35K BTU 4-Zone Mini Split

The Della 35K BTU 4-Zone Mini Split provides Alexa compatibility and includes installation kits. It offers 19 SEER2 efficiency and splits cooling across four zones. This model is designed for standard AC wiring and does not support native 48V DC input. Choose this if you want smart home integration and included hardware for professional installation. It differs from the Nexmetal by focusing on connectivity and ease of setup rather than off-grid power. You lose direct DC efficiency but gain smart controls and comprehensive installation components for a typical home setup.

Della 35K BTU 3-Zone Mini Split

The Della 35K BTU 3-Zone Mini Split offers a simpler tri-zone configuration with 19 SEER2 efficiency. It splits capacity into three zones, providing balanced climate control for moderate-sized homes. This unit runs on standard AC power and lacks the 48V DC capability of the Nexmetal. It is suitable for buyers who want reliable heating without the complexity of multi-zone systems. You should pick this if you need fewer zones and simpler operation. It gives up direct DC power and smart features but provides a straightforward, efficient solution for homes with three primary living areas.

MrCool DIY 36K BTU Mini Split

The MrCool DIY 36K BTU Mini Split is designed for DIY installers who value included labor warranties. It offers standard AC power and does not support native 48V DC input. This unit is ideal for those who prefer self-installation with comprehensive support. Unlike the Nexmetal, it focuses on ease of setup and warranty coverage rather than off-grid efficiency. You should choose this if you are installing the unit yourself and want peace of mind with labor protection. It sacrifices direct battery compatibility for user-friendly installation and included warranty services for typical residential applications.

Quick picks

#ProductBest forPrice
1 Nexmetal 36,000 BTU 48V DC Mini Split Best overall off-grid solar battery systems Check price of Nexmetal 36,000 BTU 48V DC Mini Split on Amazon
2 TOSOT Cosmo 36K BTU Quad Zone Best 21 seer2 Multi-room temperature management with high efficiency Check price of TOSOT Cosmo 36K BTU Quad Zone on Amazon
3 Senville 36k BTU 4-Zone Mini Split Also great Multi-room climate control with smart features Check price of Senville 36k BTU 4-Zone Mini Split on Amazon
4 TURBRO 5-Zone 42K BTU Mini Split Best budget Large homes needing five-zone climate control Check price of TURBRO 5-Zone 42K BTU Mini Split on Amazon
5 Della 35K BTU 4-Zone Mini Split Best premium multi-room climate control with included kits Check price of Della 35K BTU 4-Zone Mini Split on Amazon
6 Della 35K BTU 3-Zone Mini Split Best tri zone Three-room climate control with included lines Check price of Della 35K BTU 3-Zone Mini Split on Amazon
7 MrCool DIY 36K BTU Mini Split Best 18 seer2 DIY installers needing included labor warranty Check price of MrCool DIY 36K BTU Mini Split on Amazon

Our 7 picks

Best overall

Nexmetal 36,000 BTU 48V DC Mini Split

Best for: off-grid solar battery systems

Cooling Capacity
36,000 BTU/h (3 Ton)
Voltage
48V DC
Heat Pump
Heat Pump
Dimensions
13 × 39 × 34 inches
Weight
75 pounds

View on Amazon: Nexmetal 36,000 BTU 48V DC Mini Split Affiliate link

This Nexmetal unit runs natively on 48V DC power, making it ideal for off-grid solar systems without needing an inverter. It delivers 36,000 BTU of cooling and 40,000 BTU of heating. The system includes a remote and 10 feet of insulated lines. It is built for users who want high efficiency in battery-tied setups. The white finish blends into most indoor spaces.

Pros

  • Runs on 42-59V DC without an inverter
  • 36,000 BTU cooling capacity
  • 40,000 BTU heating capacity
  • Includes remote and 10 ft lines

Cons

  • Requires specific 48V DC power source
  • No Wi-Fi or app control listed
  • Heavy at 75 pounds

Good fit if

  • You have a 48V solar battery system
  • You want to avoid inverter losses
  • You need off-grid cooling and heating

Skip if

  • You only have standard 120V AC outlets
  • You need smart home app integration
  • You want a lighter indoor unit

Verdict: Nexmetal 36,000 BTU 48V DC Mini Split is best for off-grid homes using 48V batteries. It delivers direct DC power for maximum efficiency. You should buy it if you are building a solar system. Skip it if you rely on standard wall outlets.

Best 21 seer2

TOSOT Cosmo 36K BTU Quad Zone

Best for: Multi-room temperature management with high efficiency

Cooling Capacity
36,000 BTU
Efficiency Rating
21 SEER2
Voltage
230V
Number of Zones
4 Zone
Heat Pump
Heat Pump
Smart Connectivity
WiFi, Gree+ app, Voice Control

View on Amazon: TOSOT Cosmo 36K BTU Quad Zone Affiliate link

The TOSOT Cosmo series is a 36,000 BTU multi-zone system designed for four separate rooms. It delivers a high 21 SEER2 efficiency rating and includes four 9,000 BTU indoor units. The outdoor unit operates in extreme temperatures from -22°F to 118°F. You can control each zone individually via the Gree+ app. This unit suits large homes needing precise, independent climate management for multiple spaces.

Pros

  • 21 SEER2 energy efficiency rating
  • Four independent 9,000 BTU zones
  • Operates down to -22°F ambient temperature
  • Smart control via Gree+ app and voice commands

Cons

  • Power cord is not included in the package
  • Outdoor unit weighs 339 pounds
  • Indoor units are fixed at 9,000 BTU capacity

Good fit if

  • You need individual temperature control for four rooms
  • You want high energy efficiency with a 21 SEER2 rating
  • You live in an area with extreme hot or cold weather

Skip if

  • You prefer a single-zone system for one room
  • You need a higher capacity per indoor unit than 9,000 BTU
  • You require the power cord to be included with the unit

Verdict: TOSOT 36k BTU 4-Zone 21 SEER2 offers precise multi-zone climate control with high efficiency. It is ideal for homeowners who need to manage temperatures in four separate spaces independently.

Also great

Senville 36k BTU 4-Zone Mini Split

Best for: Multi-room climate control with smart features

Cooling Capacity
36000 BTU (3 Ton)
Voltage
208-230V
Number of Zones
4 Zone
Heat Pump
Arctic Heat Pump
Smart Connectivity
Alexa, App control
Dimensions
48 × 40 × 60 inches

View on Amazon: Senville 36k BTU 4-Zone Mini Split Affiliate link

This Senville unit delivers 36,000 BTU of cooling across four separate zones. It uses four 9,000 BTU indoor handlers paired with a single outdoor condenser. The system supports Alexa and app control for remote adjustments. It operates on 208-230V power and includes an Arctic Heat Pump for cold weather performance. You get individual temperature settings for each room, making it suitable for multi-room climate management.

Pros

  • Covers four zones with individual 9,000 BTU indoor units
  • High 36,000 BTU total cooling capacity
  • Compatible with Alexa and mobile app control
  • Arctic Heat Pump functions down to -22°F

Cons

  • Lacks a dedicated remote control in the data
  • Requires professional installation and is not DIY
  • Outdoor unit dimensions are bulky at 40x48x60 inches

Good fit if

  • You need independent temperature control for four rooms
  • You want voice control via Alexa
  • You live in a cold climate needing -22°F heating

Skip if

  • You prefer a single zone system
  • You want a DIY installation kit
  • You need a remote control included

Verdict: Senville 36000 BTU Quad Zone Mini Split is a strong fit for homeowners needing precise climate control across four separate spaces. It suits those who value smart home integration and cold-weather heating performance.

Best budget

TURBRO 5-Zone 42K BTU Mini Split

Best for: Large homes needing five-zone climate control

Cooling Capacity
42,000 BTU
Efficiency Rating
22 SEER2
Voltage
230V
Number of Zones
5 Zones
Heat Pump
Heat Pump
Smart Connectivity
WiFi, App, Voice control

View on Amazon: TURBRO 5-Zone 42K BTU Mini Split Affiliate link

The TURBRO 42K BTU 5-zone mini split delivers 22 SEER2 efficiency across five 9,000 BTU indoor units. It features an inverter compressor that cools in 30 seconds and heats in 60 seconds. Smart control via WiFi app and voice assistants is included. The system ships with 16-foot copper linesets per zone. This setup suits large homes needing flexible, zoned climate control without ductwork.

Pros

  • 22 SEER2 efficiency rating for energy savings
  • Five 9,000 BTU zones for targeted comfort
  • WiFi and voice control compatibility
  • Includes 16-foot copper linesets per indoor unit

Cons

  • High total weight of 380 pounds
  • Large footprint with 45.4-inch width
  • Limited to five zones max

Good fit if

  • You need independent temperature control for five separate rooms
  • You want high SEER2 efficiency for lower operating costs
  • You prefer smart app and voice control integration

Skip if

  • You have limited wall space for wide indoor units
  • You cannot support the 380-pound total system weight
  • You only need to condition one or two rooms

Verdict: TURBRO 5-Zone 42K BTU Mini Split is a high-capacity zoned system for large homes needing precise temperature control across five rooms. It fits buyers who prioritize efficiency and smart connectivity over compact installation.

Best premium

Della 35K BTU 4-Zone Mini Split

Best for: multi-room climate control with included kits

Cooling Capacity
35000 BTU/h
Efficiency Rating
19 SEER2
Voltage
208-230V
Coverage Area
up to 1750 Sq. Ft
Number of Zones
4 Zone
Heat Pump
Heat pump

View on Amazon: Della 35K BTU 4-Zone Mini Split Affiliate link

The Della 35K BTU 4-Zone Mini Split delivers 19 SEER2 efficiency with a 35,000 BTU outdoor unit and four indoor handlers. It covers up to 1,750 square feet and includes a full installation kit. The system operates down to -13°F and connects to Alexa. It suits you if you need multi-room climate control without DIY wiring, as professional installation is required.

Pros

  • 19 SEER2 energy efficiency rating
  • Covers up to 1,750 square feet
  • Works with Alexa for voice control
  • Includes 16ft line-sets and installation kits
  • Operates in temperatures down to -13°F

Cons

  • Requires professional installation, not DIY
  • Self-cleaning feature does not function
  • No smartphone app connectivity listed

Good fit if

  • You need individual temperature control for four rooms
  • You want a pre-charged system with included line-sets
  • You need heating capability in cold climates

Skip if

  • You prefer a DIY installation process
  • You require dedicated smartphone app control
  • You need a self-cleaning function that works

Verdict: The Della 35K BTU 4-Zone Mini Split is a solid choice for homeowners who need multi-zone cooling and heating with included installation hardware. It fits you if you are hiring a professional installer and want Alexa compatibility.

Best tri zone

Della 35K BTU 3-Zone Mini Split

Best for: Three-room climate control with included lines

Cooling Capacity
35,000 BTU/h
Efficiency Rating
19 SEER2
Voltage
208-230V
Coverage Area
Up to 1,950 sq ft
Number of Zones
3 Zone
Heat Pump
Heat Pump

View on Amazon: Della 35K BTU 3-Zone Mini Split Affiliate link

This Della system delivers 35,000 BTU of cooling across three zones, combining a 9K, 12K, and 18K indoor unit. It achieves 19 SEER2 efficiency and includes a heat pump for heating down to -13°F. The package provides 16ft line sets for each zone and works with Alexa. It suits larger homes needing independent climate control for up to 1,950 square feet without the complexity of four or more zones.

Pros

  • Three separate indoor units (9K, 12K, 18K BTU) for individual room control
  • 19 SEER2 energy efficiency rating for reduced power consumption
  • Heat pump operation down to -13°F for cold climate heating
  • Includes 16ft copper line sets and installation kits for all three zones

Cons

  • Lower 19 SEER2 efficiency compared to 21-22 SEER2 competitors
  • Requires professional installation as it is not a DIY system
  • Self-cleaning function is listed but does not perform the operation

Good fit if

  • You need independent temperature control for three distinct rooms
  • You want a complete installation kit with 16ft lines included
  • You require heating capability in temperatures down to -13°F

Skip if

  • You prefer a DIY installation without professional help
  • You want the highest possible SEER2 efficiency rating
  • You need smart app control beyond basic Alexa compatibility

Verdict: Della 35K BTU Tri-Zone Mini Split offers a balanced tri-zone setup with included lines, fitting homes that need moderate efficiency and reliable heating without the complexity of multi-zone systems.

Best 18 seer2

MrCool DIY 36K BTU Mini Split

Best for: DIY installers needing included labor warranty

Cooling Capacity
36K BTU
Efficiency Rating
18 SEER2
Dimensions
17.5 × 21 × 45 inches
Weight
133 pounds

View on Amazon: MrCool DIY 36K BTU Mini Split Affiliate link

The MrCool DIY 36K BTU mini split offers high cooling capacity for larger spaces. It features a SEER2 rating up to 23.6 for efficient cooling. The system includes a 25-foot line set and comprehensive installation components. You get a complete setup with indoor and outdoor units. This model supports 1-year labor warranty coverage by IWAE. It suits DIYers needing a robust, all-in-one solution.

Pros

  • High 23.6 SEER2 cooling efficiency rating
  • Includes 25-foot line set for installation
  • Comprehensive DIY installation components included
  • 1-year labor warranty coverage provided

Cons

  • Lower SEER2 rating compared to 21-22 SEER2 competitors
  • No app control or smart connectivity listed
  • Heavier outdoor unit at 133 pounds

Good fit if

  • You want a complete DIY kit with line set
  • You need high cooling capacity for large rooms
  • You prefer included labor warranty coverage

Skip if

  • You need the highest SEER2 efficiency available
  • You want smart app control features
  • You prefer lighter, easier-to-install units

Verdict: MrCool DIY 36K BTU Mini Split is a solid choice for DIY installers who value included components and labor warranty over peak efficiency ratings.

Specifications side by side

Spec Nexmetal 36,000 BTU 48V DC Mini Split TOSOT Cosmo 36K BTU Quad Zone Senville 36k BTU 4-Zone Mini Split TURBRO 5-Zone 42K BTU Mini Split Della 35K BTU 4-Zone Mini Split Della 35K BTU 3-Zone Mini Split MrCool DIY 36K BTU Mini Split
Cooling Capacity 36,000 BTU/h (3 Ton) 36,000 BTU 36000 BTU (3 Ton) 42,000 BTU 35000 BTU/h 35,000 BTU/h 36K BTU
Efficiency Rating not stated 21 SEER2 not stated 22 SEER2 19 SEER2 19 SEER2 18 SEER2
Voltage 48V DC 230V 208-230V 230V 208-230V 208-230V not stated
Coverage Area not stated not stated not stated not stated up to 1750 Sq. Ft Up to 1,950 sq ft not stated
Number of Zones not stated 4 Zone 4 Zone 5 Zones 4 Zone 3 Zone not stated
Heat Pump Heat Pump Heat Pump Arctic Heat Pump Heat Pump Heat pump Heat Pump not stated
Smart Connectivity not stated WiFi, Gree+ app, Voice Control Alexa, App control WiFi, App, Voice control Alexa, WiFi Wi-Fi, Alexa not stated
Mounting Type not stated not stated not stated not stated Wall Mount Wall Mount not stated
Smart Control not stated Wi-Fi Alexa not stated Wi-Fi, Alexa Wi-Fi, Alexa not stated
Dimensions 13 × 39 × 34 inches 40.2 × 16.8 × 32.5 inches 48 × 40 × 60 inches 31.5 × 45.4 × 11.5 inches 8.07 × 31.9 × 11.5 inches 8.07 × 31.9 × 11.5 inches 17.5 × 21 × 45 inches
Weight 75 pounds 339 pounds not stated 380 pounds not stated not stated 133 pounds
Color White White White White White with Line set White with Line set White
Model 36,000 BTU/h (48V 2250W) TST-MZ-M36-Q9999 SENA-36HF-Q9999 Greenland-M42K P99999 1D4-TL+Q99912 1D4-TL+T91218 DIY-36-HP-WM-230D25-OLW
Size not stated 36,000 BTU(Quad)9+9+9+9 Quad Zone (4) 9000 BTU Quint Zone(5) 42000 BTU 9+9+9+9+9 4 Zone 35000 BTU 9+9+9+12 3 Zone 35000 BTU 9+12+18 36K BTU

Frequently asked questions

Can I use these alternatives with my existing 48V battery bank?

Most listed units run on standard AC power, not direct DC. Only the Nexmetal 36,000 BTU model supports 48V DC input for off-grid solar systems. Other options like TOSOT or Senville require standard wall outlets. You need an inverter if you want to use battery power with non-DC units. Check the voltage specs before buying.

Which system offers the best efficiency rating for multi-zone cooling?

The TURBRO 5-Zone 42K BTU Mini Split leads with a 22 SEER2 rating. The TOSOT Cosmo follows closely with 21 SEER2. Both provide high efficiency for managing temperatures across multiple rooms. The Della models offer 19 SEER2, which is lower but still effective. Higher SEER2 numbers mean less energy use for the same cooling output.

Do any of these units include installation linesets in the box?

Yes, both Della models come with included linesets. The Della 35K BTU 4-Zone and 3-Zone versions feature white units with pre-packaged line sets. This simplifies the installation process for professionals. Other brands like Nexmetal, TOSOT, and MrCool do not list included linesets in their specs. You may need to purchase those separately for those units.

Which mini split is best for controlling five separate rooms?

The TURBRO 5-Zone 42K BTU Mini Split is the only option with five zones. It splits capacity into five 9,000 BTU indoor units. This setup allows precise temperature management across large homes. Other listed systems max out at four zones, such as the TOSOT and Senville quad-zone models. Choose TURBRO if you need control over five distinct spaces.

Is there a model compatible with Alexa for smart home control?

The Della 35K BTU 4-Zone Mini Split supports Alexa compatibility. This allows you to control cooling and heating via voice commands. Other listed models do not specify smart home integration in their provided data. If voice control is a priority, the Della unit is the clear choice among these alternatives.

Which system is the most compact for wall mounting?

The Nexmetal 36,000 BTU unit has a width of 39 inches and height of 34 inches. The MrCool DIY 36K BTU is 21 inches wide and 45 inches tall. The TOSOT Cosmo is narrower at 16.8 inches wide but taller at 32.5 inches. Compare these dimensions to your wall space. The TOSOT offers the narrowest profile for tight installations.

Can I install this system myself without a licensed technician?

The MrCool DIY 36K BTU Mini Split is designed for DIY installation. It includes pre-charged lines and connectors to simplify setup. Other models like Nexmetal and TOSOT do not explicitly state DIY compatibility in their specs. You should verify local codes. MrCool includes a labor warranty for self-installers, which is a key benefit for non-professionals.

See also