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If you are looking for daikin entra 18k btu mini alternatives, this guide compares 6 similar units. The Daikin Entra 18K BTU Mini Split offers 18,100 BTUs of cooling and 18,000 BTUs of heating with an 18 SEER2 rating. It covers up to 1,000 square feet and includes a complete installation kit with a 15-foot line set. The unit operates efficiently in temperatures from 5°F to 115°F. You might want a different option if you need more cooling power, a lower price, or a different size. Some buyers prefer higher SEER2 ratings for better efficiency or larger BTU outputs for bigger rooms. Others may want smart app control or a DIY-friendly quick connect system. We selected these alternatives because their specifications overlap with the original product. Each unit shares key traits like heat pump functionality, inverter technology, or similar voltage requirements. This ensures you can compare apples to apples when deciding which system fits your space and budget. The list includes options ranging from 12,000 BTUs to 35,000 BTUs. You will find models with Wi-Fi control, voice assistant compatibility, and various efficiency ratings. These specs help you find the right balance of power, efficiency, and features for your home.

How each alternative compares

Daikin Entra 18,000 BTU Mini Split

This model shares the same 18,000 BTU capacity and 18 SEER2 efficiency rating as the original Daikin Entra. It uses the same 230V voltage and white finish. The primary difference lies in the specific model number and included components. The original Entra comes with a Maxwell All-Inclusive installation kit, including a 15-foot refrigerant line and interconnecting cables. This alternative lists only the unit itself in its basic attributes. If you already have installation hardware or prefer to source your own line set, this unit offers identical cooling and heating performance for medium-sized rooms. It is a solid choice for those who value brand reliability without needing the bundled installation accessories.

Albott 12000 BTU 18 SEER2 Mini Split

The Albott unit provides 12,000 BTUs of cooling, which is significantly less than the 18,000 BTUs of the original. It matches the 18 SEER2 efficiency rating and operates on 230V power. This smaller capacity makes it suitable for rooms up to 750 square feet, compared to the original’s 1,000 square foot coverage. It includes smart app control and Wi-Fi features, which the original data does not explicitly list. The indoor unit is narrower at 32.1 inches wide. You should choose this option if you need to cool a smaller space and want modern smart controls. It sacrifices raw cooling power for a more compact footprint and digital convenience.

Della 35000 BTU 17 SEER2 Mini Split

This Della model offers 35,000 BTUs, far exceeding the 18,000 BTU capacity of the original Daikin. It has a lower efficiency rating of 17 SEER2 compared to the original’s 18 SEER2. It supports voice control with Alexa and includes Wi-Fi app capabilities. The indoor unit is wider at 46.9 inches and taller at 14.1 inches. It is designed for large spaces that require substantial cooling and heating power. If you have a large open area or high heat load, this unit provides the necessary capacity. However, you trade some energy efficiency for higher output. It is best for buyers who prioritize raw power and smart integration over peak efficiency scores.

Klimaire DIY 24K 23 SEER2 Quick Connect

The Klimaire unit delivers 24,000 BTUs, which is higher than the original’s 18,000 BTU output. It boasts a much higher efficiency rating of 23 SEER2. It operates on 230V power and is designed for DIY installation with quick-connect features. The indoor unit is slightly narrower at 38.5 inches but significantly taller at 31.6 inches. This height difference suggests a different design profile. You should pick this option if you want to install a high-efficiency system yourself and need more cooling power for a larger room. It offers superior energy efficiency and easier installation for tech-savvy users, though it requires more vertical space on the wall.

Rellytech 18k BTU 21 SEER2 Mini Split

This Rellytech model matches the original’s 18,000 BTU capacity but offers a higher efficiency rating of 21 SEER2. It covers up to 1,250 square feet, which is larger than the original’s 1,000 square foot rating. It includes Wi-Fi app control and quiet operation features. The indoor unit is similar in width at 39.6 inches but is shorter at 9.5 inches. It operates on 230V power. You should choose this unit if you want better energy efficiency and smart control features without sacrificing cooling capacity. It is ideal for medium to large rooms where you value lower energy consumption and digital management over the specific brand heritage of the Daikin Entra.

COSTWAY 24000 BTU 230V Mini Split

The COSTWAY unit provides 24,000 BTUs, which is higher than the original’s 18,000 BTU output. It has a lower efficiency rating of 18.5 SEER, which is close to the original’s 18 SEER2. It is a wall-mounted inverter system operating on 230V power. The indoor unit is 44.5 inches wide and 13 inches tall. It is designed for larger rooms where high BTU output is necessary. You should pick this option if you need strong cooling power for a big space and are less concerned with peak efficiency numbers. It offers a balance of capacity and moderate efficiency, suitable for areas where wall width is not a constraint and heating performance is also required.

#ProductBest forPrice
1Daikin Entra 18K BTU Mini Split Best overallinstallers wanting complete kits
2Daikin Entra 18,000 BTU Mini Split Also greatStandard homes needing reliable year-round comfort
3Albott 12000 BTU 18 SEER2 Mini Split Best budgetsmaller rooms needing 12,000 BTU
4Della 35000 BTU 17 SEER2 Mini Split Best premiumlarge spaces needing high capacity cooling
5Klimaire DIY 24K 23 SEER2 Quick Connect Also greatlarge spaces needing DIY installation
6Rellytech 18k BTU 21 SEER2 Mini Split Best 1,250 sq. ft.Medium rooms needing Wi-Fi and efficiency
7COSTWAY 24000 BTU 230V Mini Split Best wall-mountedlarge rooms needing high BTU output
1Best overall
Daikin Entra 18K BTU Mini Split

Daikin Entra 18K BTU Mini Split

Best for: installers wanting complete kits

Cooling Capacity
18,100 BTU
Coverage Area
Up to 1,000 sq ft
SEER2 Rating
18
Voltage
230V
Smart Compatibility
Remote control
Operating Modes
Heating

This Daikin unit delivers 18,000 BTU of cooling and heating for spaces up to 1,000 sq. ft. It uses R-32 refrigerant and DC inverter technology to reach an 18 SEER2 efficiency rating. The system includes a 15 ft refrigerant line kit and operates on 230V power. You get reliable performance for renovations or sunrooms. The white wall-mounted design fits standard residential setups.

Pros
  • 18,000 BTU cooling and heating capacity
  • 18 SEER2 energy efficiency rating
  • Includes 15 ft refrigerant line kit
  • Uses efficient R-32 refrigerant
  • Heats effectively down to 5°F
Cons
  • Lower 18 SEER2 efficiency compared to 21-23 SEER2 competitors
  • Heavier 181-pound total system weight
  • Limited to 18,000 BTU size in this listing
Good fit if
  • You need a complete installation kit with lines included
  • You want a trusted brand with R-32 refrigerant
  • You are cooling a room up to 1,000 sq. ft.
Skip if
  • You require higher than 18 SEER2 energy efficiency
  • You need a 24,000 BTU unit for larger spaces
  • You prefer a lighter, more compact system

Verdict: Daikin Entra 18K BTU Heat Pump is a solid choice for homeowners who value brand reliability and an all-inclusive installation package. It suits those prioritizing established engineering over peak efficiency specs.

2Also great
Daikin Entra 18,000 BTU Mini Split

Daikin Entra 18,000 BTU Mini Split

Best for: Standard homes needing reliable year-round comfort

Cooling Capacity
18,000 BTU
Coverage Area
1,000 sq ft
SEER2 Rating
18
Smart Compatibility
Remote control
Operating Modes
Heating
Color
White

This Daikin Entra unit delivers 18,000 BTU cooling and heating for spaces up to 1,000 sq. ft. It features an 18 SEER2 efficiency rating and R-32 refrigerant. The system includes a 15-foot installation kit. You get reliable year-round climate control with a broad operating temperature range. It is a solid choice for standard residential cooling and heating needs.

Pros
  • 18,000 BTU cooling capacity for areas up to 1,000 sq. ft.
  • 18 SEER2 energy efficiency rating for cost-effective operation.
  • Includes 15 ft refrigerant line and installation kit.
  • Heats effectively down to 5°F ambient temperature.
  • Titanium Apatite Photocatalytic Air Purifying Filter included.
Cons
  • 18 SEER2 rating is lower than the 21-23 SEER2 options on this list.
  • 18,000 BTU capacity is less than the 24,000 or 35,000 BTU alternatives.
  • 181-pound total weight is heavier than many comparable mini-split systems.
Good fit if
  • You need a complete installation kit with the unit.
  • You want a trusted brand with proven reliability.
  • You are cooling a space around 1,000 sq. ft.
Skip if
  • You require the highest possible energy efficiency ratings.
  • You need to cool a large area over 1,000 sq. ft.
  • You prefer a lighter, more compact indoor unit.

Verdict: Daikin Entra 18K BTU Mini Split suits homeowners who value brand reliability and included installation hardware over peak efficiency or raw cooling power. It is a dependable, all-season solution for medium-sized rooms.

3Best budget
Albott 12000 BTU 18 SEER2 Mini Split

Albott 12000 BTU 18 SEER2 Mini Split

Best for: smaller rooms needing 12,000 BTU

Cooling Capacity
12,000 BTU
Coverage Area
Up to 750 sq ft
SEER2 Rating
18 SEER2
Voltage
208-230V
Smart Compatibility
Remote, app control
Operating Modes
Cool, Heat, Dehumidifying, Fan

The Albott 12,000 BTU mini split offers cooling and heating with an 18 SEER2 rating. It covers up to 750 square feet and operates on 208-230V power. You get quiet performance below 29dB and smart app control. This unit is a practical choice if you need a smaller capacity system for a single room or compact space, rather than whole-house coverage.

Pros
  • 18 SEER2 energy efficiency rating
  • Covers up to 750 square feet
  • Operates quietly below 29dB
  • Includes Wi-Fi app control
  • 5-year compressor warranty
Cons
  • 12,000 BTU capacity is lower than most competitors offering 18,000 to 35,000 BTU
  • Heavier at 151 pounds compared to lighter units
  • Limited to 208-230V voltage, excluding 115V options
Good fit if
  • You need a 12,000 BTU unit for a smaller room
  • You prefer 208-230V electrical connections
  • You want smart app control for remote management
Skip if
  • You require 18,000 BTU or higher cooling power
  • You need a 115V compatible unit
  • You are cooling a large open area over 750 sq. ft.

Verdict: Albott 12,000 BTU Mini Split suits those needing modest cooling for a single room. It fits users who prioritize quiet operation and smart controls over high BTU output.

4Best premium
Della 35000 BTU 17 SEER2 Mini Split

Della 35000 BTU 17 SEER2 Mini Split

Best for: large spaces needing high capacity cooling

Cooling Capacity
35,000 BTU
Coverage Area
2,500 sq ft
SEER2 Rating
17
Voltage
208-230V
Smart Compatibility
Alexa, Wifi, remote control
Operating Modes
Heating, cooling, auto, dry

This Della unit offers 35,000 BTU of cooling for spaces up to 2,500 square feet. It operates at 17 SEER2 efficiency on 230V power. The system includes a heat pump that functions in temperatures down to 5°F. You get smart features like 4D airflow and remote temperature sensing. Professional installation is required for this larger capacity model.

Pros
  • High 35,000 BTU capacity for large rooms
  • Covers up to 2,500 square feet
  • Heat pump works in 5°F weather
  • Smart remote temperature sensing
  • Quiet operation at 39 dBa
Cons
  • Lower 17 SEER2 efficiency rating
  • Heavier 38.6 pound build
  • Requires professional installation
Good fit if
  • You need cooling for large open areas
  • You want heat pump functionality in cold weather
  • You prefer smart remote temperature control
Skip if
  • You need higher energy efficiency ratings
  • You want a DIY quick connect system
  • You are looking for smaller capacity units

Verdict: Della 35,000 BTU Mini Split suits buyers who need substantial cooling power for large spaces and do not mind professional installation. It provides reliable heat pump performance in cold conditions.

5Also great
Klimaire DIY 24K 23 SEER2 Quick Connect

Klimaire DIY 24K 23 SEER2 Quick Connect

Best for: large spaces needing DIY installation

Cooling Capacity
24,000 BTU
SEER2 Rating
23 SEER2
Voltage
230V
Smart Compatibility
Smart Life App, Alexa, Google Assistant
Operating Modes
Heating
Color
White

The Klimaire DIY 24,000 BTU mini split delivers 23 SEER2 efficiency with R454B refrigerant. It operates as a heat pump in extreme temperatures, cooling down to 5°F and heating down to -13°F. The unit includes a 16-foot pre-charged line set for self-installation. At 230V, it suits larger spaces. You get smart app control and Alexa compatibility for easy management.

Pros
  • 23 SEER2 energy efficiency rating
  • Heating operation down to -13°F
  • 16-foot pre-charged quick-connect line set
  • R454B eco-friendly refrigerant
  • Smart Life app and voice control
Cons
  • Heavier build at 230 pounds compared to lighter 18,000 BTU units
  • Larger 24,000 BTU capacity may be excessive for small rooms
  • 230V requirement limits placement options compared to 115V models
Good fit if
  • You need high efficiency for a large room
  • You want to install the unit yourself without tools
  • You require heating in very cold climates
Skip if
  • You only have a standard 115V outlet
  • You need a smaller 12,000 BTU unit
  • You prefer professional installation only

Verdict: Klimaire 24,000 BTU 23 SEER2 DIY Mini Split fits homeowners who want to install a high-efficiency heat pump themselves. It is ideal for large spaces needing strong heating in cold weather.

6Best 1,250 sq. ft.
Rellytech 18k BTU 21 SEER2 Mini Split

Rellytech 18k BTU 21 SEER2 Mini Split

Best for: Medium rooms needing Wi-Fi and efficiency

Cooling Capacity
18,000 BTU
Coverage Area
up to 1250 sq ft
SEER2 Rating
21
Voltage
208V/230V
Smart Compatibility
Wi-Fi, voice commands, remote
Operating Modes
cooling, heat pump, dry, fan-only, eco

This Rellytech mini split delivers 18,000 BTU of cooling and heating with a 21 SEER2 efficiency rating. It covers up to 1,250 square feet and runs on 230V power. The unit includes Wi-Fi control and a digital remote. You get quiet operation and inverter technology for steady temperatures. It is a solid choice for medium-sized rooms where energy savings and smart features matter.

Pros
  • 21 SEER2 energy efficiency rating
  • Covers up to 1,250 square feet
  • Includes Wi-Fi and app control
  • Operates in temperatures from -13°F to 122°F
Cons
  • Lower SEER2 rating than the 23 SEER2 Klimaire model
  • Smaller capacity than the 35,000 BTU DELLA unit
  • Heavier indoor unit at 95.1 pounds
Good fit if
  • You need efficient cooling for a 1,250 sq ft space
  • You want Wi-Fi control for remote adjustments
  • You require a heat pump for year-round comfort
Skip if
  • You need more than 18,000 BTU of power
  • You require the highest possible SEER2 rating
  • You prefer a lighter indoor unit

Verdict: Rellytech 18k BTU 21 SEER2 Mini Split offers strong efficiency and smart control for medium rooms. It fits buyers who value Wi-Fi features and moderate capacity over maximum power or peak efficiency numbers.

7Best wall-mounted
COSTWAY 24000 BTU 230V Mini Split

COSTWAY 24000 BTU 230V Mini Split

Best for: large rooms needing high BTU output

Cooling Capacity
24000 BTU
Coverage Area
up to 1500 Sq. Ft
SEER2 Rating
18.5 SEER2
Voltage
208-230V
Smart Compatibility
remote control
Operating Modes
auto, cool, dry, heat, fan

This COSTWAY unit delivers 24,000 BTU of cooling and heating power with an 18.5 SEER2 efficiency rating. It operates on 208-230V and uses R32 refrigerant for effective temperature control. The inverter compressor adjusts speed to maintain consistent comfort while reducing energy use. You get five working modes, including auto, cool, dry, heat, and fan. A remote control allows easy management from a distance.

Pros
  • 24,000 BTU capacity for larger spaces
  • 18.5 SEER2 energy efficiency rating
  • Inverter compressor technology for stable operation
  • Five working modes including heating
  • Includes remote control with timer
Cons
  • Lower 18.5 SEER2 rating compared to competitors offering 21-23 SEER2
  • Heavier 68-pound build compared to lighter 18,000 BTU models
  • Larger 44.5-inch width requires more wall space
Good fit if
  • You need higher 24,000 BTU cooling power for a large room
  • You want a wall-mounted unit with heating capability
  • You prefer inverter technology for steady temperature control
Skip if
  • You prioritize the highest possible SEER2 efficiency over raw capacity
  • You have limited wall space for a wider indoor unit
  • You need a lighter unit for easier installation

Verdict: COSTWAY 24000 BTU Wall-Mounted Inverter AC suits buyers who need strong 24,000 BTU output for larger areas and accept a lower efficiency rating for that capacity. It fits spaces where wall width is not a constraint and heating is required.

Specifications side by side

SpecDaikin Entra 18K BTU Mini SplitDaikin Entra 18,000 BTU Mini SplitAlbott 12000 BTU 18 SEER2 Mini SplitDella 35000 BTU 17 SEER2 Mini SplitKlimaire DIY 24K 23 SEER2 Quick ConnectRellytech 18k BTU 21 SEER2 Mini SplitCOSTWAY 24000 BTU 230V Mini Split
Cooling Capacity18,100 BTU18,000 BTU12,000 BTU35,000 BTU24,000 BTU18,000 BTU24000 BTU
Coverage AreaUp to 1,000 sq ft1,000 sq ftUp to 750 sq ft2,500 sq ft–up to 1250 sq ftup to 1500 Sq. Ft
SEER2 Rating181818 SEER21723 SEER22118.5 SEER2
Voltage230V–208-230V208-230V230V208V/230V208-230V
Smart CompatibilityRemote controlRemote controlRemote, app controlAlexa, Wifi, remote controlSmart Life App, Alexa, Google AssistantWi-Fi, voice commands, remoteremote control
Operating Modes––Cool, Heat, Dehumidifying, FanHeating, cooling, auto, dry–cooling, heat pump, dry, fan-only, ecoauto, cool, dry, heat, fan
Features––Inverter, Remote, Smart AppInverter–Inverter, Quiet OperationInverter
Control Method––Remote Control, Wi-Fi, Wi-Fi App Control, Wi-Fi AppWi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control–Wi-Fi, Wi-Fi App Control, Wi-Fi App–
ColorWhiteWhiteWhiteWhiteWhiteWhiteWhite
Size18,000 BTU18,000 BTU18 SEER2, 12,000BTU 208-230V35,000 BTU 230V – 17 SEER224000 BTU 230V18000BTU,230V,21 SEER2-WiFi24000BTU, 208-230V, 18.5 SEER
Operating ModeHeaterHeaterHeaterHeaterHeaterHeaterHeater
SEER Rating18 SEER218 SEER218 SEER217 SEER2–––
Mounting Type––––––Wall-Mounted
Dimensions11 × 39 × 11 inches11 × 39 × 11 inches32.1 × 7.48 × 11.2 inches10.1 × 46.9 × 14.1 inches16.6 × 38.5 × 31.6 inches9.45 × 39.6 × 12.4 inches9 × 44.5 × 13 inches
Weight181 pounds181 pounds151 pounds38.6 pounds230 pounds95.1 pounds68 pounds
ModelRXC18+FTXC18+IKM1412+WAFP24FTXC18AXVJUSAC001IF-35K2VR-17S-I+OKIWQ24H2-45T + KOIQ24H2-45TCE0-110153-CYJV

Frequently asked questions

Which alternative offers the highest energy efficiency rating?

The Klimaire DIY 24K and the COSTWAY 24000 BTU models both lead with a 23 SEER2 rating. The Klimaire unit provides 24,000 BTUs of capacity, making it suitable for larger spaces. The COSTWAY model also delivers 24,000 BTUs but is noted for its wall-mounted design. These two options maximize efficiency compared to the 18 SEER2 rating found in the Daikin Entra.

Can I control these mini splits using a smartphone app?

Yes, several models include Wi-Fi and app control. The Albott 12000 BTU unit supports Wi-Fi app control for smart management. The Della 35000 BTU model adds voice control compatibility with Alexa. The Rellytech 18k BTU option also features Wi-Fi app connectivity. These features allow you to adjust settings remotely without needing a physical remote nearby.

What is the largest cooling capacity available in this list?

The Della 35000 BTU Mini Split offers the highest capacity at 35,000 BTUs. This makes it ideal for large spaces needing substantial cooling power. The next largest options are the Klimaire and COSTWAY models, both providing 24,000 BTUs. The Daikin Entra and Rellytech units offer 18,000 BTUs, while the Albott model provides 12,000 BTUs for smaller rooms.

Are these units suitable for heating during cold weather?

All listed products are heat pumps with heating operating modes. The Della 35000 BTU model is specifically noted for reliable heat pump performance in cold conditions. The Klimaire 24K DIY unit is also highlighted for strong heating in cold weather. Every option supports heating, ensuring year-round comfort regardless of the specific model you choose for your space.

Which model is best for DIY installation?

The Klimaire DIY 24K Quick Connect is explicitly designed for DIY installation. It allows homeowners to install a high-efficiency heat pump themselves. While other models may be installed by homeowners, this unit is tailored for that approach. It provides 24,000 BTUs and 23 SEER2 efficiency, combining ease of installation with strong performance for large spaces.

How do the dimensions of these indoor units compare?

Dimensions vary significantly across models. The Della 35000 BTU unit is the widest at 46.9 inches. The Rellytech 18k BTU model is slightly wider at 39.6 inches. The Daikin Entra models measure 39 inches in width. The Albott 12000 BTU unit is much narrower at 32.1 inches. Check your wall space to ensure the unit fits your available area.

Is there a model that covers up to 1,250 square feet?

The Rellytech 18k BTU 21 SEER2 Mini Split covers up to 1,250 square feet. This capacity suits medium rooms needing Wi-Fi and efficiency. Other models like the Albott cover smaller areas, such as 750 square feet. The larger units like the Della and COSTWAY are intended for even larger spaces. Select the Rellytech if your room size aligns with this specific coverage area.

Which options include voice control compatibility?

The Della 35000 BTU Mini Split supports voice control with Alexa. This allows you to manage the unit using voice commands. Other models like the Albott and Rellytech offer Wi-Fi app control but do not list voice compatibility in their specifications. If voice integration is a priority, the Della model is the primary choice among these alternatives.

See also