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The Rellytech 18000 BTU 230V Mini Split offers 19 SEER2 efficiency for medium rooms. If you are searching for rellytech 18000 btu 230v mini alternatives, you might want different specs or features. This unit covers 1,250 square feet and weighs 112 pounds. It provides solid heating and cooling with a standard 230V connection. Some buyers may prefer lighter units or smarter controls. Others might need quieter operation or extreme cold weather performance.

We selected seven alternatives that overlap with the original’s core specifications. All listed models deliver 18,000 BTU capacity and 19 SEER2 efficiency. They all support 230V power and cover similar square footage. The differences lie in physical dimensions, weight, and additional features. Some units include Wi-Fi app control or voice assistant compatibility. Others focus on self-cleaning functions or reduced noise levels. You should compare the width and height to ensure the unit fits your wall space. Consider the weight if you plan to handle installation yourself. These options provide distinct advantages depending on your specific room requirements.

How each alternative compares

Albott 18k BTU 230V Mini Split

The Albott 18k BTU 230V Mini Split shares the 19 SEER2 efficiency and 1,250 square foot coverage of the Rellytech. It differs in physical dimensions, measuring 37.8 inches wide by 8.74 inches high, which is narrower but taller than the Rellytech. The Albott weighs 151 pounds, making it significantly heavier than the 112-pound Rellytech unit. It includes self-cleaning features and is rated for office environments. You should choose this if you prioritize extreme temperature reliability and self-maintenance over a lighter build. The Albott offers robust performance for spaces up to 1,250 square feet with a focus on durability.

COSTWAY 18000 BTU Mini Split

The COSTWAY 18000 BTU Mini Split matches the Rellytech with 19 SEER2 efficiency and 230V power. It covers 1,250 square feet but weighs only 23 pounds, which is much lighter than the Rellytech. The indoor unit is 37.6 inches wide and 8.96 inches high, offering a slightly different profile. This model is designed for quiet operation and extreme cold weather heating. You should pick this if you value silent performance and lightweight installation over the heavier, more traditional build of the Rellytech. It suits users who need reliable heating in cold climates without the bulk of a standard unit.

YITAHOME 18000 BTU 19 SEER2 Mini Split

The YITAHOME 18000 BTU 19 SEER2 Mini Split offers the same efficiency and 230V power as the Rellytech. It covers 1,250 square feet but weighs 96.3 pounds, making it lighter. Its dimensions are 39.8 inches wide and 15.2 inches high, which is taller than the Rellytech. This unit supports Wi-Fi app control and voice commands with Alexa. You should choose this if you want smart home integration and quiet performance. It is a solid choice for medium rooms where you prioritize connectivity and balanced efficiency over the standard feature set of the Rellytech.

Kinetheme 18000 BTU Mini Split

The Kinetheme 18000 BTU Mini Split provides 19 SEER2 efficiency and 230V power, matching the Rellytech. It covers 1,250 square feet but weighs 92.4 pounds, which is lighter. The unit is 40.4 inches wide and 12.6 inches high, making it wider and taller than the Rellytech. It is designed for cold climate heating and robust year-round control. You should pick this if you need strong heating performance for colder environments and have wall space for a wider indoor unit. It fits homes with 230V circuits seeking efficient climate control without the compact footprint of the Rellytech.

Tehanld 18000 BTU 19 SEER2 Mini Split

The Tehanld 18000 BTU 19 SEER2 Mini Split matches the Rellytech in efficiency, voltage, and coverage area. It weighs 91.6 pounds, which is lighter than the Rellytech. The unit measures 40.5 inches wide and 12.5 inches high, offering a wider profile. It features inverter technology and five distinct operating modes for steady performance. You should choose this if you need robust cooling for larger rooms and can handle a wider, heavier unit. It delivers consistent results through advanced inverter systems, making it suitable for buyers who prioritize steady performance over the compact design of the Rellytech.

Nexaro 18000 BTU 230V Mini Split

The Nexaro 18000 BTU 230V Mini Split offers 19 SEER2 efficiency and 230V power, similar to the Rellytech. It covers 1,250 square feet but weighs only 68 pounds, making it the lightest option. The unit is 40.5 inches wide and 12.5 inches high, which is wider than the Rellytech. It prioritizes inverter efficiency for large spaces. You should pick this if you need strong cooling for large rooms and prefer a lighter indoor unit. It suits buyers who value efficient operation and do not mind a wider footprint. The Nexaro provides reliable performance for homes with 230V circuits seeking lightweight installation.

#ProductBest forPrice
1Rellytech 18000 BTU 230V Mini Split Best overallMedium rooms needing 230V power
2Albott 18k BTU 230V Mini Split Best officesoffices up to 1,250 square feet
3COSTWAY 18000 BTU Mini Split Best premiumQuiet operation and extreme cold weather heating
4YITAHOME 18000 BTU 19 SEER2 Mini Split Best budgetQuiet, smart-controlled comfort in medium rooms
5Kinetheme 18000 BTU Mini Split Also greatcold climate heating and 230V homes
6Tehanld 18000 BTU 19 SEER2 Mini Split Also greatlarger rooms needing 230V power
7Nexaro 18000 BTU 230V Mini Split Also greatLarge rooms with 230V power access
1Best overall
Rellytech 18000 BTU 230V Mini Split

Rellytech 18000 BTU 230V Mini Split

Best for: Medium rooms needing 230V power

Cooling Capacity
18,000 BTU
Coverage Area
up to 1,250 sq. ft.
SEER2 Rating
19
Voltage
208-230V
Operating Modes
cooling, heating, fan, dry, ECO
Features
Inverter

The Rellytech 18000 BTU mini split offers 19 SEER2 efficiency and 230V power. It covers 1,250 sq. ft. with 18,400 BTU of heating. This white unit weighs 112 pounds and measures 39.6 inches wide. You get four fan speeds and a 90-degree vertical swing. It suits bedrooms, offices, or garages needing reliable year-round climate control.

Pros
  • 19 SEER2 energy efficiency rating
  • 18,400 BTU heating capacity
  • Covers up to 1,250 sq. ft.
  • 90-degree vertical airflow swing
  • Four adjustable fan speeds
Cons
  • Heavier 112-pound build than lighter competitors
  • Lower 19 SEER2 rating than 20 or 21 SEER2 options
  • Standard 19 SEER2 cooling vs. higher efficiency models
Good fit if
  • You need a 230V unit for a dedicated circuit
  • You want a 18000 BTU system for medium spaces
  • You prefer a straightforward 4-mode control interface
Skip if
  • You require a higher 20 SEER2 or 21 SEER2 rating
  • You are installing on a standard 115V outlet
  • You need a lighter unit for easier mounting

Verdict: Rellytech 18000 BTU 230V Mini Split delivers solid 19 SEER2 efficiency for medium-sized rooms. It fits buyers who prioritize standard 230V power and reliable heating over peak energy ratings.

2Best offices
Albott 18k BTU 230V Mini Split

Albott 18k BTU 230V Mini Split

Best for: offices up to 1,250 square feet

Cooling Capacity
18,000 BTU
Coverage Area
Up to 1,250 sq ft
SEER2 Rating
19
Voltage
208-230V
Operating Modes
Cooling, heating, dehumidifying, fan
Room
Offices

The Albott SAC011 is a 18,000 BTU ductless mini split system designed for spaces up to 1,250 square feet. It operates on 208-230V power with a 19 SEER2 efficiency rating. You get cooling, heating, dehumidifying, and fan modes. The unit includes a 24-hour timer and sleep mode for comfort. It features self-cleaning technology to reduce dust buildup. This model is well-suited for office environments requiring reliable climate control.

Pros
  • Covers up to 1,250 square feet
  • 19 SEER2 energy efficiency rating
  • Operates in temperatures from -4°F to 140°F
  • Includes 24-hour timer and sleep mode
  • Self-cleaning function runs for 30 minutes
Cons
  • Heavier at 151 pounds than lighter alternatives
  • 19 SEER2 is lower than the 20.5 SEER2 option available in variations
  • Larger width of 8.74 inches compared to some slimmer units
Good fit if
  • You need a unit for an office space up to 1,250 sq. ft.
  • You want a system with self-cleaning technology
  • You require operation in extreme temperatures down to -4°F
Skip if
  • You prefer a lighter unit under 150 pounds
  • You want the highest available efficiency of 20.5 SEER2
  • You need a narrower indoor unit under 8.74 inches wide

Verdict: Albott 18000 BTU Mini Split 19 SEER2 offers robust performance for offices up to 1,250 square feet. You should choose this if you value self-cleaning features and extreme temperature reliability over the lightest possible build.

3Best premium
COSTWAY 18000 BTU Mini Split

COSTWAY 18000 BTU Mini Split

Best for: Quiet operation and extreme cold weather heating

Cooling Capacity
18000 BTU
Coverage Area
1250 sq ft
SEER2 Rating
19 SEER2
Voltage
208-230V
Smart Compatibility
Remote control
Operating Modes
Cool, heat, dry, fan, auto, sleep, ECO

The COSTWAY 18000 BTU mini split provides 19 SEER2 cooling efficiency and 18700 BTU of heating power. It covers up to 1,250 square feet with 7 operating modes and 5 fan speeds. The outdoor unit features chassis electrical heating for operation in extreme temperatures, ranging from 5°F to 118.4°F. Indoor noise levels drop to 23 dB, and it includes a self-cleaning function with removable filters for easy maintenance.

Pros
  • 19 SEER2 cooling efficiency rating
  • 18700 BTU heating capacity
  • 23 dB low indoor noise level
  • Chassis electrical heating for extreme weather
  • 58°C self-cleaning function
Cons
  • 9 HSPF2 heating efficiency is lower than the 19 SEER2 cooling rating
  • 23-pound indoor unit weight is heavier than some competitors
  • 1,250 square foot coverage is smaller than larger capacity options
Good fit if
  • You need quiet operation for a bedroom or living space
  • You require reliable heating in very cold outdoor conditions
  • You want easy maintenance with washable filters
Skip if
  • You need the highest possible heating efficiency rating
  • You are cooling a space larger than 1,250 square feet
  • You prefer a lighter indoor unit for easier mounting

Verdict: COSTWAY 18000 BTU 19 SEER2 Mini Split suits users who prioritize quiet performance and extreme weather reliability over maximum heating efficiency or lightweight design.

4Best budget
YITAHOME 18000 BTU 19 SEER2 Mini Split

YITAHOME 18000 BTU 19 SEER2 Mini Split

Best for: Quiet, smart-controlled comfort in medium rooms

Cooling Capacity
18,000 BTU
Coverage Area
Up to 1,250 sq ft
SEER2 Rating
19 SEER2
Voltage
208-230V
Smart Compatibility
Wi-Fi, Alexa, remote
Operating Modes
Auto, Cooling, Drying, Heating, Fan, Eco

This YITAHOME mini split delivers 18,000 BTU of cooling and heating power with a 19 SEER2 rating. It covers up to 1,250 square feet and operates on 208-230V. You get smart control via Wi-Fi and Alexa, plus quiet operation down to 25 dB in sleep mode. The unit weighs 96.3 pounds and includes a remote and installation kit for licensed HVAC pros.

Pros
  • 19 SEER2 energy efficiency rating
  • Wi-Fi and Alexa smart control
  • Quiet operation at 25 dB in sleep mode
  • Covers up to 1,250 square feet
Cons
  • Heavier build at 96.3 pounds compared to lighter competitors
  • Standard 19 SEER2 rating, not the highest available in this group
Good fit if
  • You need reliable heating and cooling for a 1,250 sq. ft. space
  • You want smart control via Alexa or a Wi-Fi app
  • You prioritize quiet operation with a 25 dB sleep mode
Skip if
  • You require a lighter unit for easier handling
  • You need a higher SEER2 rating than 19
  • You are looking for a 115V plug-in model

Verdict: YITAHOME 18000 BTU Mini Split suits buyers who want smart home integration and quiet performance in a standard 19 SEER2 package. It is a solid choice for medium-sized rooms where weight and efficiency are balanced priorities.

5Also great
Kinetheme 18000 BTU Mini Split

Kinetheme 18000 BTU Mini Split

Best for: cold climate heating and 230V homes

Cooling Capacity
18,000 BTU
Coverage Area
Up to 1250 sq ft
SEER2 Rating
19 SEER2
Voltage
230V
Operating Modes
Cool, Heat, Dry, Fan, Auto
Features
Inverter

This Kinetheme mini split delivers 18000 BTU of cooling and heating for spaces up to 1250 sq. ft. It operates on 230V with a 19 SEER2 rating and uses R32 refrigerant. The inverter compressor adjusts speed to maintain temperature. It includes five modes and four fan speeds. The unit measures 40.4 inches wide and weighs 92.4 pounds. It is designed for consistent year-round climate control.

Pros
  • 19 SEER2 energy efficiency rating
  • Covers areas up to 1250 sq. ft.
  • Includes self-cleaning and auto defrost functions
  • Operates in temperatures as low as -4°F
Cons
  • Heavier at 92.4 pounds compared to lighter competitors
  • Larger width of 40.4 inches requires more wall space
  • Limited to one color option in white
Good fit if
  • You need a 230V unit for a 1250 sq. ft. space
  • You want a heat pump that works in cold weather
  • You prefer a system with self-cleaning features
Skip if
  • You only have a 115V electrical outlet
  • You need a unit smaller than 18000 BTU
  • You want multiple color choices for your decor

Verdict: Kinetheme 18000 BTU 230V Mini Split suits buyers who need robust heating for colder climates and have the wall space for a wider indoor unit. It fits homes with 230V circuits seeking efficient year-round climate control.

6Also great
Tehanld 18000 BTU 19 SEER2 Mini Split

Tehanld 18000 BTU 19 SEER2 Mini Split

Best for: larger rooms needing 230V power

Cooling Capacity
18,000 BTU
Coverage Area
Up to 1,250 sq ft
SEER2 Rating
19 SEER2
Voltage
230V
Operating Modes
Cool, Heat, Auto, Fan, Dry
Features
Inverter

The Tehanld 18000 BTU 230V Mini Split offers 19 SEER2 efficiency for rooms up to 1250 sq. ft. It uses R32 refrigerant and inverter technology to adjust compressor speed for consistent comfort. You get five operation modes and four fan speeds. The unit weighs 91.6 pounds and measures 40.5 inches wide. Professional installation is required.

Pros
  • 19 SEER2 energy efficiency rating
  • Covers areas up to 1250 sq. ft.
  • Five operation modes including Cool, Heat, and Auto
  • Uses eco-friendly R32 refrigerant
Cons
  • Heavier build at 91.6 pounds
  • Larger width at 40.5 inches
  • Only four fan speeds available
Good fit if
  • You need a 230V system for larger rooms
  • You want a unit with R32 refrigerant
  • You value multiple operation modes
Skip if
  • You require a 115V connection
  • You need a lighter unit under 90 pounds
  • You prefer a narrower indoor unit

Verdict: Tehanld 18000 BTU 230V Mini Split suits you if you need robust cooling for a 1250 sq. ft. space and can handle a heavier, wider unit. It delivers steady performance through inverter technology and five distinct modes.

7Also great
Nexaro 18000 BTU 230V Mini Split

Nexaro 18000 BTU 230V Mini Split

Best for: Large rooms with 230V power access

Cooling Capacity
18,000 BTU
Coverage Area
Up to 1,250 sq ft
SEER2 Rating
19
Voltage
230V
Operating Modes
Cooling, Heating, Auto, Fan, Dry
Features
Inverter

The Nexaro 18000 BTU mini split handles cooling and heating for spaces up to 1,250 square feet. It runs on 230V power with a 19 SEER2 rating, matching the efficiency of the other options on this list. The inverter compressor adjusts output to maintain steady temperatures. You get five operating modes and four fan speeds. The unit weighs 68 pounds and measures 40.5 inches wide.

Pros
  • 19 SEER2 energy efficiency rating
  • Covers areas up to 1,250 sq ft
  • Inverter compressor for stable temperature control
  • R32 refrigerant with low global warming potential
  • Five operating modes including cooling and heating
Cons
  • Heavier at 68 pounds compared to lighter competitors
  • Taller indoor unit at 12.5 inches height
  • Limited to 230V voltage option
Good fit if
  • You need a 230V system for a large room
  • You want a unit with R32 refrigerant
  • You prefer a heavier, sturdier build
Skip if
  • You only have 115V outlets available
  • You need a more compact indoor unit
  • You want a lighter system for easy mounting

Verdict: Nexaro 18000 BTU Mini Split AC/Heater fits homes with 230V circuits that need strong cooling for large spaces. It suits buyers who prioritize inverter efficiency and do not mind a heavier indoor unit.

Specifications side by side

SpecRellytech 18000 BTU 230V Mini SplitAlbott 18k BTU 230V Mini SplitCOSTWAY 18000 BTU Mini SplitYITAHOME 18000 BTU 19 SEER2 Mini SplitKinetheme 18000 BTU Mini SplitTehanld 18000 BTU 19 SEER2 Mini SplitNexaro 18000 BTU 230V Mini Split
Cooling Capacity18,000 BTU18,000 BTU18000 BTU18,000 BTU18,000 BTU18,000 BTU18,000 BTU
Coverage Areaup to 1,250 sq. ft.Up to 1,250 sq ft1250 sq ftUp to 1,250 sq ftUp to 1250 sq ftUp to 1,250 sq ftUp to 1,250 sq ft
SEER2 Rating191919 SEER219 SEER219 SEER219 SEER219
Voltage208-230V208-230V208-230V208-230V230V230V230V
Smart Compatibility––Remote controlWi-Fi, Alexa, remote–––
Operating Modescooling, heating, fan, dry, ECOCooling, heating, dehumidifying, fanCool, heat, dry, fan, auto, sleep, ECOAuto, Cooling, Drying, Heating, Fan, EcoCool, Heat, Dry, Fan, AutoCool, Heat, Auto, Fan, DryCooling, Heating, Auto, Fan, Dry
Room–Offices–––––
FeaturesInverterInverterInverterInverterInverterInverterInverter
Control Method–––Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control–––
Room Type–Office–––––
ColorWhiteWhiteWhiteWhiteWhiteWhiteWhite
Operating Mode–HeaterHeater–HeaterHeaterHeater
SEER Rating19 SEER219 SEER219 SEER219 SEER219 SEER219 SEER219 SEER2
Use–Home Office–––––
Dimensions9.02 × 40.4 × 12.6 inches37.8 × 8.74 × 12.4 inches12.6 × 37.6 × 8.96 inches12.2 × 39.8 × 15.2 inches9.02 × 40.4 × 12.6 inches9.04 × 40.5 × 12.5 inches9.04 × 40.5 × 12.5 inches
Weight112 pounds151 pounds23 pounds96.3 pounds92.4 pounds91.6 pounds68 pounds
Size18000BTU,230V,19 SEER219 SEER2, 18,000BTU 208-230V18000BTU, 208-230V, 19 SEER2–18000BTU-230V-19SEER218000BTU-230V-19SEER218000BTU, 230V, 19 SEER2
ModelCE0-1SAC01111090-CYFPMAYIHQV1JQK-0728-L180-W-UPT-MINI SPLIT AC-3NexaroL120

Frequently asked questions

Which alternative is best for offices?

The Albott 18k BTU 230V Mini Split is designed for office environments. It covers up to 1,250 square feet and includes self-cleaning features. This model operates on 208-230V power with 19 SEER2 efficiency. It is slightly taller and narrower than the Rellytech, making it a robust choice for workspace climate control.

Is there a lighter mini split option?

The COSTWAY 18000 BTU Mini Split is the lightest option at 23 pounds. It maintains 19 SEER2 efficiency and covers 1,250 square feet. This unit is ideal if you prioritize quiet operation and extreme cold weather heating. Its compact weight makes installation easier compared to heavier competitors in this list.

Which model offers smart home control?

The YITAHOME 18000 BTU Mini Split supports Wi-Fi and voice control. It is compatible with Alexa for smart home integration. This unit weighs 96.3 pounds and covers 1,250 square feet. It is a solid choice for buyers who want remote management and quiet performance in a standard 19 SEER2 package.

Do all alternatives cover the same area?

Yes, all listed alternatives cover 1,250 square feet. They all provide heating and operate at 19 SEER2 efficiency. While the coverage area is consistent, the physical dimensions and weights vary significantly. You should check the width and height specs to ensure the unit fits your wall space.

Which unit is the narrowest?

The Albott 18k BTU 230V Mini Split is the narrowest at 8.74 inches. It measures 37.8 inches wide and 12.4 inches high. This compact footprint contrasts with wider units like the Kinetheme, which is 40.4 inches wide. Choose the Albott if wall space is limited in your office or room.

Are all units compatible with 230V power?

Most units listed are compatible with 230V power. The Albott and COSTWAY models support 208-230V input. The Rellytech, YITAHOME, Kinetheme, Tehanld, and Nexaro units are specified for 230V. Always verify your home’s electrical circuit matches the voltage requirement before installation to ensure safe and efficient operation.

Which alternative is best for cold climates?

The Kinetheme 18000 BTU Mini Split is suited for colder climates. It provides robust heating and operates on 230V power. The unit covers 1,250 square feet with 19 SEER2 efficiency. It is wider at 40.4 inches, so ensure you have adequate wall space for this efficient year-round climate control solution.

See also