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Looking Beyond the Comfort Temps Ultra-Efficient 24? 6 Alternatives Worth a Look

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You might start your search with the comfort temps ultra efficient 24 alternatives to find a better fit for your space. This unit stands out with its 23 SEER2 efficiency rating and 24,000 BTU cooling capacity. It includes smart Wi-Fi control and a complete installation kit with R454B refrigerant. These specs make it a strong choice for larger rooms up to 1,500 square feet. You get reliable heating even in cold weather thanks to its inverter technology and smart pan heater.

However, you may prefer a different balance of features or a different brand. Some buyers want quieter operation, while others prioritize a lower SEER2 rating for a different price point. The alternatives listed here were chosen because their specifications overlap with the original Comfort Temps model. They all offer 230V compatibility and smart connectivity. You can compare their SEER2 ratings, which range from 19 to 23, to find the right efficiency level. This list helps you evaluate options that match your specific needs for coverage area and airflow control.

Our top pick: Comfort Temps 24K BTU 23 SEER2.

How these models differ from the Comfort Temps

TOSOT 24,000 BTU Mini Split

The TOSOT 24,000 BTU Mini Split shares the 230V voltage and Wi-Fi smart control of the Comfort Temps unit. It offers 19 SEER2 efficiency, which is lower than the Comfort Temps 23 SEER2 rating. You get solid heating performance and smart connectivity, but you sacrifice peak energy efficiency. The TOSOT indoor unit is wider at 26 inches compared to the Comfort Temps 43.2 inches, though it is deeper. This model suits you if you prioritize consistent heating in cold weather over the highest possible SEER2 score. It is a practical choice for large rooms where smart features matter more than maximum efficiency.

DELLA Motto 23K BTU 19 SEER2

The DELLA Motto 23K BTU 19 SEER2 provides 230V power and Wi-Fi control with Alexa integration, matching the smart capabilities of the Comfort Temps. Its 19 SEER2 rating is lower than the Comfort Temps 23 SEER2. This unit is lighter at 30.9 pounds compared to the Comfort Temps 136 pounds. The indoor unit is slightly wider at 44.6 inches. It is a budget-friendly option for single-zone cooling. You should pick this model if you want smart Alexa integration and 230V compatibility without needing the highest efficiency rating. It is ideal for users who value connectivity and lower upfront costs over maximum energy savings.

Della Vario 24K BTU 21 SEER2

The DELLA Vario 24K BTU 21 SEER2 matches the 230V voltage and offers Wi-Fi and Alexa smart control like the Comfort Temps. It has a 21 SEER2 efficiency rating, which is lower than the Comfort Temps 23 SEER2. The indoor unit is wider at 46.9 inches and deeper at 10.3 inches. It weighs 36.4 pounds. This model is suitable for users who value quiet operation and smart home integration. You should choose this if you do not require the maximum 23 SEER2 efficiency. It is a solid mid-tier option for those who prioritize a balance of smart features and comfortable, quiet cooling in larger spaces.

DELLA Serena CloudAir 23000 BTU

The DELLA Serena CloudAir 23,000 BTU 22 SEER2 offers 230V power and Wi-Fi with Alexa smart control, similar to the Comfort Temps. Its 22 SEER2 rating is slightly lower than the Comfort Temps 23 SEER2. It provides gentle, draft-free airflow, which is beneficial for comfort. The unit weighs 30.9 pounds, much lighter than the Comfort Temps 136 pounds. The indoor unit is 44.9 inches wide. This model is best for 230V homes needing soft airflow. You should pick this if you value quiet, comfortable cooling and smart connectivity. It is a good choice for users who prioritize air quality and gentle circulation over the absolute highest efficiency rating.

DELLA Vita 24K BTU 20 SEER2

The DELLA Vita 24K BTU 20 SEER2 provides 230V voltage and Wi-Fi with Alexa smart control, matching the Comfort Temps smart features. Its 20 SEER2 efficiency is lower than the Comfort Temps 23 SEER2. The indoor unit is narrower at 39.6 inches and lighter at 26.5 pounds. It delivers reliable cooling with smart features for large spaces. You should choose this model if you value quiet operation and app control over peak efficiency numbers. It is a practical option for buyers who need a 24,000 BTU unit with smart connectivity but do not require the highest SEER2 rating available in the market.

DELLA Optima 18k BTU 23 SEER2

The DELLA Optima 18k BTU 23 SEER2 matches the 23 SEER2 efficiency rating of the Comfort Temps but offers only 18,000 BTU cooling capacity. It provides 230V power and Wi-Fi with Alexa smart control. The unit is designed for smaller rooms covering up to 1,000 square feet. It weighs 116 pounds, which is less than the Comfort Temps 136 pounds. The indoor unit is 43.3 inches wide. This model is ideal for smaller spaces where high efficiency and quiet operation are priorities. You should pick this if you need less cooling power but want the same energy savings and smart features as the Comfort Temps.

Quick picks

#ProductBest forPrice
1 Comfort Temps 24K BTU 23 SEER2 Best overall larger spaces needing smart control Check price of Comfort Temps 24K BTU 23 SEER2 on Amazon
2 TOSOT 24,000 BTU Mini Split Best 24,000 btu Smart control and cold-weather heating Check price of TOSOT 24,000 BTU Mini Split on Amazon
3 DELLA Motto 23K BTU 19 SEER2 Best budget Single-zone 230V cooling with smart controls Check price of DELLA Motto 23K BTU 19 SEER2 on Amazon
4 Della Vario 24K BTU 21 SEER2 Best premium Smart control and quiet operation Check price of Della Vario 24K BTU 21 SEER2 on Amazon
5 DELLA Serena CloudAir 23000 BTU Best 22 seer2 230V homes needing soft airflow Check price of DELLA Serena CloudAir 23000 BTU on Amazon
6 DELLA Vita 24K BTU 20 SEER2 Best 20 seer2 large rooms needing quiet, smart cooling Check price of DELLA Vita 24K BTU 20 SEER2 on Amazon
7 DELLA Optima 18k BTU 23 SEER2 Best 23 seer2 small rooms needing quiet, efficient cooling Check price of DELLA Optima 18k BTU 23 SEER2 on Amazon

Our 7 picks

Best overall

Comfort Temps 24K BTU 23 SEER2

Best for: larger spaces needing smart control

Cooling Capacity
24,000 BTU
Efficiency Rating
23 SEER2
Voltage
208/230V
Coverage Area
750 to 1500 sq. ft.
Smart Connectivity
Wi-Fi, App, Alexa, Google Assistant
Dimensions
13.1 × 43.2 × 8.74 inches

View on Amazon: Comfort Temps 24K BTU 23 SEER2

This 24,000 BTU mini split delivers 23 SEER2 efficiency on 208/230V power. It covers 750 to 1500 sq. ft. with smart Wi-Fi control and Alexa compatibility. The unit includes a 16.4 ft. line set and uses R454B refrigerant. It offers seven fan speeds and reliable heating down to subzero temperatures. This model suits you if you need strong cooling power with modern connectivity.

Pros

  • 23 SEER2 efficiency rating for lower energy use
  • Wi-Fi app control with geolocation and voice assistant support
  • Includes 16.4 ft. copper line set and pre-charged R454B refrigerant
  • Operates quietly with seven fan speeds

Cons

  • Heavier at 136 pounds compared to lighter competitors
  • Larger indoor unit width of 43.2 inches
  • Requires professional HVAC technician for refrigerant balancing

Good fit if

  • You need 24,000 BTU cooling for larger spaces
  • You want smart home integration with Alexa or Google
  • You prefer a complete install kit with included line set

Skip if

  • You have only 110V electrical outlets available
  • You need a more compact indoor unit under 40 inches wide
  • You want a DIY-friendly installation without professional help

Verdict: Comfort Temps 24K BTU 23 SEER2 offers high efficiency and smart features for larger rooms. It fits you if you prioritize connectivity and included installation hardware.

Best 24,000 btu

TOSOT 24,000 BTU Mini Split

Best for: Smart control and cold-weather heating

Cooling Capacity
24,000 BTU
Efficiency Rating
19 SEER2
Voltage
208-230V
Heat Pump
Heating System
Smart Connectivity
Wi-Fi, App, Voice control
Dimensions
37.7 × 26 × 15.8 inches

View on Amazon: TOSOT 24,000 BTU Mini Split

The TOSOT 24,000 BTU mini split offers 19 SEER2 efficiency and 230V power. It includes Wi-Fi app control, voice commands, and a remote. The unit operates between 22dB and 36dB, making it suitable for quiet spaces. It covers cooling down to 118°F and heating down to -13°F. This system is a solid option for you if you need reliable smart control and strong temperature performance in a 24,000 BTU package.

Pros

  • 19 SEER2 efficiency rating for energy savings
  • Wi-Fi app and voice control compatibility
  • Quiet operation at 22dB to 36dB
  • Heating function works down to -13°F

Cons

  • 19 SEER2 is lower than the 21-23 SEER2 options on this list
  • Includes only a 5-year parts warranty
  • Requires professional installation for vacuuming and refrigerant handling

Good fit if

  • You want Wi-Fi app control for scheduling
  • You need heating performance in cold weather
  • You prefer a 230V system with smart features

Skip if

  • You require the highest SEER2 efficiency available
  • You want a longer compressor warranty than 8 years
  • You need a smaller 18,000 BTU capacity

Verdict: TOSOT 24,000 BTU 19 SEER2 Mini Split fits you if you prioritize smart connectivity and solid heating performance over peak efficiency ratings.

Best budget

DELLA Motto 23K BTU 19 SEER2

Best for: Single-zone 230V cooling with smart controls

Cooling Capacity
23,000 BTU
Efficiency Rating
19 SEER2
Voltage
208V~230V
Coverage Area
Up to 1500 sq. ft
Heat Pump
Heat Pump
Smart Connectivity
WiFi, Alexa

View on Amazon: DELLA Motto 23K BTU 19 SEER2

The DELLA Motto Series delivers 23,000 BTU of cooling and heating for spaces up to 1,500 square feet. It operates on 230V power with a 19 SEER2 efficiency rating. Smart features include Wi-Fi connectivity and Alexa compatibility. The unit uses R-32 refrigerant and offers 4D airflow. It is designed for users seeking smart control in a mid-range capacity system.

Pros

  • 23,000 BTU cooling and heating capacity
  • 19 SEER2 energy efficiency rating
  • Wi-Fi and Alexa smart connectivity
  • 4D airflow for even distribution
  • Operates down to 5°F outdoor temperature

Cons

  • Lower 19 SEER2 rating compared to 21-25 SEER2 competitors
  • Requires line-set vacuuming during installation
  • Senses room temperature via remote, not indoor unit

Good fit if

  • You need a 23,000 BTU unit for a large room
  • You prefer 230V power connections
  • You want Alexa smart home integration

Skip if

  • You require the highest 25 SEER2 efficiency available
  • You need a 2-zone system for multiple rooms
  • You want temperature sensing at the indoor unit

Verdict: DELLA Motto 23k BTU 230V Mini Split suits buyers who prioritize smart features and 230V compatibility over peak efficiency ratings. It is a solid option for single-zone cooling where Alexa integration is a priority.

Best premium

Della Vario 24K BTU 21 SEER2

Best for: Smart control and quiet operation

Cooling Capacity
24,000 BTU/h (2 Ton)
Efficiency Rating
21 SEER2
Voltage
208–230V
Coverage Area
up to 1500 Sq. Ft
Heat Pump
Heat pump
Smart Connectivity
Wifi, Alexa

View on Amazon: Della Vario 24K BTU 21 SEER2

The DELLA Vario Series delivers 24,000 BTU cooling with a 21 SEER2 efficiency rating. It operates on 208–230V power and covers up to 1500 square feet. Smart features include Wi-Fi and Alexa connectivity. A smart sensor in the remote adjusts airflow for personal comfort. This unit runs quietly at 36 dBA and functions in temperatures down to -4°F.

Pros

  • 21 SEER2 energy efficiency rating
  • Wi-Fi and Alexa smart control
  • Smart sensor in remote for personalized comfort
  • Quiet operation at 36 dBA
  • Operates in temperatures down to -4°F

Cons

  • Lower efficiency than the 23 SEER2 Comfort Temps model
  • Requires professional installation
  • No mention of a mobile app

Good fit if

  • You want smart control via Alexa
  • You need cooling for up to 1500 sq ft
  • You prefer quiet operation in living spaces

Skip if

  • You need the highest efficiency on the list
  • You prefer a 115V electrical connection
  • You want a self-installable unit

Verdict: DELLA Vario 24k BTU 21 SEER2 suits users who value smart home integration and quiet operation. It is a solid mid-tier option for those who do not require the maximum 23 SEER2 efficiency found in other models.

Best 22 seer2

DELLA Serena CloudAir 23000 BTU

Best for: 230V homes needing soft airflow

Cooling Capacity
23000 BTU/h (1.92 Ton)
Efficiency Rating
22 SEER2
Voltage
230V
Coverage Area
Up to 1500 sq ft
Heat Pump
Heat Pump
Smart Connectivity
Wi-Fi, Alexa, Google Home, App

View on Amazon: DELLA Serena CloudAir 23000 BTU

The DELLA Serena CloudAir is a 23,000 BTU heat pump rated at 22 SEER2 for 230V circuits. It covers up to 1500 square feet. Soft Airflow technology directs air away from direct body contact. Smart features include Wi-Fi, Alexa, and Google Home compatibility. It includes a remote and runs as low as 30 dBa. This unit suits those prioritizing comfort airflow and high efficiency in larger rooms.

Pros

  • 22 SEER2 efficiency rating for energy savings
  • Soft Airflow design prevents direct drafts
  • Wi-Fi and voice control via Alexa and Google Home
  • Ultra-quiet operation at 30 dBa in mute mode

Cons

  • Requires 230V electrical circuit
  • Heavier at 30.9 pounds
  • No 115V option available for this specific model

Good fit if

  • You need 230V power for a 23,000 BTU unit
  • You want soft, indirect airflow for sleeping
  • You prefer smart app and voice control

Skip if

  • You only have 115V outlets available
  • You need a smaller 9,000 or 12,000 BTU capacity
  • You require a 120V compatible model

Verdict: DELLA Serena CloudAir 23K BTU 22 SEER2 offers high efficiency and gentle airflow for 230V installations. It fits users who value smart connectivity and quiet, draft-free cooling in larger spaces.

Best 20 seer2

DELLA Vita 24K BTU 20 SEER2

Best for: large rooms needing quiet, smart cooling

Cooling Capacity
24,000 BTU (2 Ton)
Efficiency Rating
20 SEER2
Voltage
230V
Coverage Area
Up to 1500 sq ft
Heat Pump
Heat Pump
Smart Connectivity
Wi-Fi, Alexa, Google Assistant, App

View on Amazon: DELLA Vita 24K BTU 20 SEER2

The DELLA Vita Series offers 24,000 BTU cooling with 20 SEER2 efficiency on a 230V circuit. It covers up to 1500 sq. ft. and operates quietly at 34 dB. You get smart app control and an I Feel sensor for precise temperature reading. This unit fits well in large rooms or open spaces where steady, efficient cooling is your main priority.

Pros

  • 20 SEER2 efficiency rating for energy savings
  • Ultra-quiet 34 dB operation for bedrooms
  • I Feel sensor tracks remote temperature
  • Works with Alexa and Google Assistant

Cons

  • 20 SEER2 is lower than the 21-25 SEER2 competitors
  • 230V requires a dedicated circuit
  • Larger 39.6-inch indoor unit size

Good fit if

  • You need strong cooling for 1500 sq. ft.
  • You want smart app control and voice commands
  • You prefer quiet operation under 35 dB

Skip if

  • You need the highest possible SEER2 rating
  • You only have a 115V outlet available
  • You have limited wall space for a wide unit

Verdict: DELLA Vita 24K BTU 20 SEER2 delivers reliable cooling with smart features for large spaces. It suits buyers who value quiet operation and app control over peak efficiency numbers.

Best 23 seer2

DELLA Optima 18k BTU 23 SEER2

Best for: small rooms needing quiet, efficient cooling

Cooling Capacity
18000 BTU
Efficiency Rating
23 SEER2
Voltage
230V
Coverage Area
up to 1000 sq.ft
Heat Pump
1.5 Ton Heat Pump
Smart Connectivity
Alexa or the Della+ app

View on Amazon: DELLA Optima 18k BTU 23 SEER2

The DELLA Optima Series delivers 18,000 BTU of cooling with 23 SEER2 efficiency. It covers up to 1,000 sq. ft. and includes a 16.4 ft installation kit. The unit operates at 34 dB and features soft airflow. You get Alexa and app control. It heats down to -13°F. This model suits smaller spaces where quiet operation matters.

Pros

  • 23 SEER2 energy efficiency rating
  • 18,000 BTU cooling capacity
  • 34 dB whisper-quiet operation
  • Includes 16.4 ft installation kit
  • Heats down to -13°F

Cons

  • 18,000 BTU is lower than the 23,000-24,000 BTU units on this list
  • Smaller coverage area of 1,000 sq. ft
  • Requires vacuuming and a 20A fuse upon installation

Good fit if

  • You need efficient cooling for a room under 1,000 sq. ft
  • You prioritize quiet operation for bedrooms or nurseries
  • You want a complete installation kit included

Skip if

  • You require 24,000 BTU for larger spaces
  • You prefer a 115V plug-in unit
  • You need heating below -13°F

Verdict: DELLA Optima 18k BTU 23 SEER2 is a high-efficiency choice for smaller rooms. It fits buyers who value quiet operation and included hardware over raw cooling power.

Specifications side by side

Spec Comfort Temps 24K BTU 23 SEER2 TOSOT 24,000 BTU Mini Split DELLA Motto 23K BTU 19 SEER2 Della Vario 24K BTU 21 SEER2 DELLA Serena CloudAir 23000 BTU DELLA Vita 24K BTU 20 SEER2 DELLA Optima 18k BTU 23 SEER2
Cooling Capacity 24,000 BTU 24,000 BTU 23,000 BTU 24,000 BTU/h (2 Ton) 23000 BTU/h (1.92 Ton) 24,000 BTU (2 Ton) 18000 BTU
Efficiency Rating 23 SEER2 19 SEER2 19 SEER2 21 SEER2 22 SEER2 20 SEER2 23 SEER2
Voltage 208/230V 208-230V 208V~230V 208–230V 230V 230V 230V
Coverage Area 750 to 1500 sq. ft. not specified Up to 1500 sq. ft up to 1500 Sq. Ft Up to 1500 sq ft Up to 1500 sq ft up to 1000 sq.ft
Heat Pump not specified Heating System Heat Pump Heat pump Heat Pump Heat Pump 1.5 Ton Heat Pump
Smart Connectivity Wi-Fi, App, Alexa, Google Assistant Wi-Fi, App, Voice control WiFi, Alexa Wifi, Alexa Wi-Fi, Alexa, Google Home, App Wi-Fi, Alexa, Google Assistant, App Alexa or the Della+ app
Smart Control Wi-Fi Wi-Fi Wi-Fi, Alexa Wi-Fi, Alexa Wi-Fi, Alexa Wi-Fi, Alexa Wi-Fi, Alexa
Size 24,000 BTU 208/230V 24,000 BTU 23,000 BTU - 230V - 19 SEER2 24,000 BTU - 230V / 21 SEER2 CloudAir - 23,000 BTU 230V - 22 SEER2 24,000 BTU - 230V / 20 SEER2 CloudAir - 18,000 BTU - 230V - 23 SEER2
Dimensions 13.1 × 43.2 × 8.74 inches 37.7 × 26 × 15.8 inches 9.13 × 44.6 × 13 inches 10.3 × 46.9 × 14.2 inches 9 × 44.9 × 13.2 inches 8.66 × 39.6 × 12.6 inches 8.74 × 43.3 × 13.1 inches
Weight 136 pounds 173 pounds 30.9 pounds 36.4 pounds 30.9 pounds 26.5 pounds 116 pounds
Color White White White White White White White
Model CTP-BH242A-K SU-COSMO24-230/O; SU-COSMO24-230/I 24K2VRH-19S-JA-I+O_1 TL-24K2VB-21S-I+O 24K2VR-22S-MX-I+O TC-24K2VR-20S-I+O TPX-18K2V-23S-I+O

Frequently asked questions

Which 24,000 BTU mini split has the highest efficiency rating?

The Comfort Temps 24K BTU 23 SEER2 leads this list with a 23 SEER2 rating. It also features Wi-Fi smart control and runs on 230V power. This model is ideal for larger spaces where you want maximum energy savings and connectivity. Its dimensions are 43.2 inches wide and 8.74 inches tall.

What is the best budget-friendly 24,000 BTU option?

The DELLA Motto 23K BTU 19 SEER2 is ranked as the best budget choice. It supports 230V operation and includes both Wi-Fi and Alexa smart controls. While slightly smaller at 23,000 BTU, it offers a lightweight design weighing only 30.9 pounds. This makes installation easier for single-zone setups.

Which model offers the quietest operation for large rooms?

The DELLA Vita 24K BTU 20 SEER2 is designed for large rooms needing quiet, smart cooling. It provides 24,000 BTU of cooling power with 20 SEER2 efficiency. You get Wi-Fi and Alexa integration for easy control. The unit weighs just 26.5 pounds, making it one of the lighter 24,000 BTU options available.

Does the TOSOT 24,000 BTU Mini Split support smart home devices?

Yes, the TOSOT 24,000 BTU Mini Split includes Wi-Fi smart control. It is rated at 19 SEER2 efficiency and operates on 230V. This model is best for users who prioritize smart connectivity and cold-weather heating performance. It is slightly heavier than other options, weighing 173 pounds.

Which mini split is best for soft airflow in 230V homes?

The DELLA Serena CloudAir 23,000 BTU is best for soft airflow. It features a 22 SEER2 efficiency rating and supports 230V installations. You get Wi-Fi and Alexa smart control for convenient management. The unit is compact, measuring 44.9 inches wide and weighing 30.9 pounds, ensuring gentle, draft-free cooling.

What is the best premium 24,000 BTU mini split?

The DELLA Vario 24K BTU 21 SEER2 is the best premium option. It offers 21 SEER2 efficiency with Wi-Fi and Alexa smart controls. This model suits users who value quiet operation and smart home integration. It weighs 36.4 pounds and measures 46.9 inches wide, providing a robust build for larger spaces.

Which model is best for smaller rooms under 1,000 square feet?

The DELLA Optima 18k BTU 23 SEER2 is best for smaller rooms. It covers up to 1,000 square feet with high efficiency. You get Wi-Fi and Alexa smart control for easy management. This unit weighs 116 pounds and includes included hardware, making it a solid choice for those who value quiet operation over raw power.