6 Best 24,000 BTU Mini-Split Air Conditioners of 2026
We compared six 24,000 BTU single-zone mini split heat pumps on room coverage, efficiency, heating, noise, smart control and warranty.
By Daniel Brooks
Updated October 19, 2026
A 24,000 BTU mini split, or 2 ton system, is built for one big open space: a great room, an open kitchen and living area, a large finished basement, a garage workshop or a small shop. It can replace two or three window units with one quiet, efficient heat pump, as long as the space is open enough for a single air handler to reach. Our list of the best 24,000 BTU mini-split air conditioners compares six single-zone systems on room coverage, efficiency, heating, noise, smart control and warranty. To browse every model we cover, visit our Single-Zone Mini-Split Air Conditioners page.
All six run on a 208/230 volt class circuit and need professional installation. The differences come down to track record, smart features, efficiency and how long the warranty lasts.
All Products Compared
| Product | Best For | Rated Coverage | Efficiency | Noise | Notable Feature |
|---|---|---|---|---|---|
| Senville LETO 24000 BTU Mini Split Air Conditioner Heat Pump | Overall | Large open areas | 18.7 SEER | 34 dB | Alexa, 1,992 ratings |
| Mountman 24000 BTU Mini Split AC/Heating System | Value | Up to 1500 sq ft (title) | 19 SEER2 | 26 dB sleep | Self-clean, auto defrost |
| YITAHOME 24000 BTU Mini Split Air Conditioner Heat Pump | Smart control | Up to 1500 sq ft | 21 SEER2 | Under 50 dB | Wi-Fi, Alexa, HEALTH mode |
| COSTWAY 24000 BTU Mini Split Air Conditioner & Heater | Long warranty | Large rooms | Inverter | 23 dB | 5 year parts, 8 year compressor |
| Cooper & Hunter 24,000 BTU 230V Mini Split AC | Contractor installs | Large rooms | 18.7 SEER2 | 35 dB | Smart kit included |
| ROVSUN 24000 BTU WiFi Mini Split Air Conditioner & Heater | Voice control | Up to 1500 sq ft | 20 SEER2 | 36 dB mute | App, Alexa, Google |
| Award | Product | WikiCooling Score About WikiCooling ScoreThe WikiCooling Score is our own rating from 0 to 10, based on the criteria described on our How We Review page. It reflects research, not laboratory measurement, and is never influenced by manufacturers, retailers, or affiliate commissions. Learn more › | |
|---|---|---|---|
| Best Budget |
Senville LETO 24000 BTU Mini Split Air Conditioner
|
8.6/10 | Buy |
| Best Overall |
Mountman 24000 BTU Mini Split AC/Heating System
|
8.6/10 | Buy |
YITAHOME 24000 BTU Mini Split Air Conditioner Heat
|
7.8/10 | Buy | |
| Best Value |
COSTWAY 24000 BTU Mini Split Air Conditioner
|
8.4/10 | Buy |
Cooper & Hunter 24,000 BTU 230V Mini Split AC
|
8.3/10 | Buy | |
| Best Premium |
ROVSUN 24000 BTU WiFi Mini Split Air Conditioner
|
8.3/10 | Buy |
Senville LETO 24000 BTU Mini Split Air Conditioner
This 24000 BTU split-system delivers powerful cooling and heating for medium to large spaces, with inverter technology for efficient operation. It features Alexa voice control, a 4-in-1 design (AC, heat pump, dehumidifier, fan), and a quiet 34 dB noise level. Ideal for residential use where smart home integration and year-round comfort are priorities.
Pros
- Alexa voice and app control
- 4-in-1 all-season functionality
- 18.7 SEER efficiency
- Quiet 34 dB operation
- 5-year compressor warranty
Cons
- Professional installation required
- Warranty excludes labor (1 year parts, 5 year compressor)
- Installation instructions could be clearer
Mountman 24000 BTU Mini Split AC/Heating System
Product description Previous page Next page Previous page Next page Tip: Before purchasing, be sure to check the voltage compatibility of this mini-split air conditioner with your home's electrical system. Note: This split ac unit comes in two separate boxes, so delivery times may vary From the brand All-Season Perfect Cool/Warm Enjoy Consistent Year-Round Comfort with Our Split AC！ Mini Split AC/Heating System Visit the Store Space Heaters Visit the Store Whole House Humidifier Visit the Store Commercial Ice Maker Visit the Store What makes our products unique? Our continuous efforts are focused on advancing in four aspects: heat output, style, quality, and safety. Our products come with a 1-year protection. How do we ensure the quality of our products? We have a rigorous quality control process in place that includes evaluation at every stage of production. How do we safeguard the rights and interests of our customers? We have a professional and passionate 24/7 hour team. We want our customers to feel at ease when using our products.
YITAHOME 24000 BTU Mini Split Air Conditioner Heat
Product description YITAHOME Wifi Enabled Ductless Mini Split AC & Heating System The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. YITAHOME mini split ac Previous page Next page Previous page Next page Previous page Next page Previous page Next page YITAHOME Mini Split AC/Heating System YITAHOME 24K Split AC Add to Cart YITAHOME 12K Split AC Add to Cart YITAHOME 12K Split AC Add to Cart YITAHOME 18K Split AC Add to Cart YITAHOME 12K AC 115V Add to Cart YITAHOME 12K AC 230V Buying Options 2 Zone (9K+9K) Add to Cart Price $1,039.99$1,039.99 $499.99$499.99 $613.04$613.04 $694.27$694.27 $542.98$542.98 , $1,399.99$1,399.99 Cooling Capacity(BTU) 24000 12000 12000 18000 12000 12000 18000 Heating Capacity(BTU) 24000 12000 12000 18000 12000 12000 18000 Output Coverage(Sq.Ft) 1500 750 750 1250 750 750 800 SEER2 21 20 21 21 20 20 22 HSPF2 10 8.5 10 9 8.5 8.5 10 Heat Pump(Ton) 2 1 1 1.5 1 1 1.5 Dehumidifying(LBS/H) 4 2.2 2.2 3.5 2.2 2.2 3.5 Indoor Noise Level(dBa) 50 41 41 49 41 41 41 Control Method APP/Remote/Alexa&Google Home APP/Remote/Alexa&Google Home APP/Remote/Alexa&Google Home APP/Remote/Alexa&Google Home Only Remote Only Remote APP/Remote/Alexa&Google Home Voltage(V) 208-230 115 208-230 208-230 115 208-230 208-230 From the brand At YITAHOME, our story begins with a powerful principle - putting the customer at the center of everything we do. Through continuous innovation, we strive to meet and exceed our customers' expectations. We closely monitor climate change, energy efficiency, and environmental sustainability. Whether they’re used in homes, offices, or commercial spaces, YITAHOME air conditioners provide optimal air quality and temperature control for our customers. The Latest Model of Mini Spit Visit the Store Mini Split AC/Heating System Visit the Store Multi Zone Mini Split AC Visit the Store Mini Split AC/Heating System Visit the Store 20 SEER2 Pure Design Series
COSTWAY 24000 BTU Mini Split Air Conditioner
Product description Previous page Next page Previous page Next page From the brand COSTWAY Single Zone Mini Split Visit the Store COSTWAY Multi-Zone Mini Split Visit the Store COSTWAY Mini Split Line Set Visit the Store Central Air Conditioner Visit the Store
Cooper & Hunter 24,000 BTU 230V Mini Split AC
From the brand With 25+ years of experience, Cooper&Hunter is a trusted leader in HVAC. The brand is committed to delivering innovative, high-quality, and energy-efficient air conditioning solutions. Operating in over 50 countries and expanding rapidly in the US, Cooper&Hunter offers dedicated support in English, Spanish, Mandarin, Russian, and Ukrainian, available Monday-Friday, 9 AM to 5 PM, ensuring top-tier service for customers and technicians. PTAC's Single Zone Wall Mounts Multi Zone Wall Mounts Hyper Series Ceiling Cassette's Ducted Systems Console Systems Product description Previous page Next page Previous page Next page Previous page Next page 1 Control with Alexa 2 Control Methods 3 Condenser Features Previous page Next page What room size can this Cooper & Hunter mini split heat and cool effectively? The MIA Series efficiently heats and cools spaces from 150-1,500 sq ft depending on BTU capacity chosen - ask your technician first. The inverter adjusts power for your comfort, reducing energy costs up to 40% compared to traditional HVAC systems. Do I need professional installation for this mini split system? Yes, professional installation is required by the manufacturer, and must be registered with Cooper & Hunter directly (within 60 days of installation). The installation kit is included in your order. The condenser comes pre-charged with refrigerant. Does this mini split provide both heating and cooling year-round? Absolutely! This AC heat pump system delivers powerful cooling in summer and efficient heating at 5°F in winter. The advanced inverter technology maintains consistent temperatures while operating quietly, perfect for bedrooms and living spaces. Can I control the temperature using my phone or voice assistants? Yes! Each system comes with a Smart Kit. Once connected to the C&H app, you can control (temparature/timer/etc.) from your smartphone. It also integrates seamlessly with Amazon Alexa and Google Assistant, allowing for voice-controlled comfort. How much can I save on energy bills with this mini split? The system only uses the energy needed to maintain temperature, not full power constantly. The Cooper & Hunter MIA Series uses advanced inverter technology that can reduce energy costs by up to 40% compared to traditional window or central units.
ROVSUN 24000 BTU WiFi Mini Split Air Conditioner
Product description The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. aplus content video Previous page Next page SPECIFICATION 9000 BTU Mini Split AC Add to Cart 12000 BTU Mini Split AC Add to Cart 12000 BTU Mini Split AC Add to Cart 18000 BTU Mini Split AC Add to Cart 24000 BTU Mini Split AC Buying Options 9000 BTU Mini Split AC Add to Cart 12000 BTU Mini Split AC Add to Cart Customer Reviews 4.2 out of 5 stars 467 4.4 out of 5 stars 285 4.3 out of 5 stars 138 4.4 out of 5 stars 124 4.3 out of 5 stars 138 4.1 out of 5 stars 74 4.5 out of 5 stars 115 Price $399.99$399.99 $499.99$499.99 $499.99$499.99 $669.99$669.99 $1,139.99$1,139.99 $469.99$469.99 $529.99$529.99 Cooling Capacity (BTU/h) 9,000 BTU/h 12,000 BTU/h 12,000 BTU/h 18,000 BTU/h 24,000 BTU/h 9,000 BTU/h 12,000 BTU/h Heating Capacity (BTU/h) 10,000 BTU/h 12,000 BTU/h 12,000 BTU/h 18,000 BTU/h 24,000 BTU/h 10,000 BTU/h 12,000 BTU/h Indoor Unit Dims (WDH) 31.92''x7.99''x11.49'' 31.92''x7.99''x11.49'' 31.92''x7.99''x11.49'' 39.76''x8.66''x12.40'' 46.93''x10.23''x14.17'' 31.92''x7.99''x11.49'' 31.92''x7.99''x11.49'' Outdoor Unit Dims (WDH) 28.14''x11.42''x19.61'' 28.14''x11.42''x19.61'' 28.14''x11.42''x19.61'' 30.70''x13.74''x23.81'' 33.26''x14.96''x27.51'' 28.14'' x 11.42'' x 19.61'' 28.14'' x 11.42'' x 19.61'' Recommended Area 100-400 sq.ft. 350-550 sq.ft. 350-550 sq.ft. 750-1000 sq.ft. 1000-1500 sq.ft. 100-400 sq.ft. 350-550 sq.ft. Voltage 115V / 60Hz 115V / 60Hz 208~230V / 60Hz 208~230V / 60Hz 208~230V / 60Hz 115V / 60Hz 115V / 60Hz Noise Level (dBa) 28-42 (dBa) 28-45 (dBa) 28-45 (dBa) 32-49 (dBa) 36-52 (dBa) 28-42 (dBa) 28-45 (dBa) Weight (indoor / oudoor unit) 19.8lb / 51.8lb 19.8lb / 55.1lb 19.8lb / 55.1lb 27.6lb / 70.5lb 36.4lb / 88.2lb 19.8lb / 51.8lb 19.8lb / 55.1lb Line Set 16.4ft (1/4" & 3/8") 16.4ft (1/4" & 3/8") 16.4ft (1/4" & 3/8") 16.4ft (1/4" & 3/8") 16.4ft (1/4" & 1/2") 16.4ft (1/4" & 3/8") 16.4ft (1/4" & 3/8") SEER 20 20 20 20 20 20 20 Remote/APP/Voice Control ✔ ✔ ✔ ✔ ✔ ✔ ✔ From the brand Why choosing ROVSUN? √ Affordable and high-quality item with responsible and round after-sales service. √ Directly getting your goods from local warehouses in US, faster order for faster shipment. √ Professional household appliance solution provider for catering your demand accurately. √ Open-minded for any feedbacks for inspiring us to move forward to create a better purchasing experience. Comfortable life with ROVSUN Reliable life with ROVSUN Collectible life with ROVSUN Considerable life with ROVSUN Valuable life with ROVSUN Simple life with ROVSUN How did we get our start? The ROVSUN brand was established in 2017, it was committed to providing all families with affordable & high-quality appliance and kitchen supplies to create a simple, comfortable and healthy life What we sell? Household Appliance: air conditioner, electric heater, washing machine, clothes dryer, water distiller.. Kitchen Utensil: gas stove, propane grill, turkey fryer, french fry cutter .. Kitchen Appliance: ice maker, wine cooler, refrigerator, freezer.. Why do we love what we do? Now, ROVSUN provides products to thousands of families every year
Top 3 24,000 BTU Mini-Split Air Conditioners Reviewed
#1 Senville LETO 24000 BTU Mini Split Air Conditioner Heat Pump: Best Overall
Why We Picked It
The Senville LETO 24000 BTU has the strongest track record of any 2 ton system here, a 4.5 average from 1,992 ratings. It delivers 24,000 BTU of cooling and heating from one wall-mounted air handler, and Senville lists a quiet 34 dB, which is low for this capacity. The heat pump works down to 5F.
Alexa and app control are built in, so you can schedule routines and adjust the temperature by voice. The package includes the indoor air handler, outdoor condenser, remote and an installation kit with a 16ft line set and communication wire, and the condenser is pre-loaded with refrigerant for up to 25 ft of line. Senville lists 18.7 SEER and 2500 watts of rated power on a 220 volt supply.
Key Specifications
- Cooling Capacity: 24,000 BTU (2 tons)
- Heating Capacity: 24,000 BTU
- Power: 220 volts, 2500 watts
- Efficiency: 18.7 SEER
- Noise Level: 34 dB
- Heat Pump Range: Down to 5F
| Pros | Cons |
|---|---|
|
|
Things to Consider
A 2 ton system is too large for a single bedroom, where it would short-run and leave the air clammy. Use it for a genuinely open space.
Best For
This system is best for an open living and kitchen area where you want a proven brand and voice control.
Check the current price and availability of the Senville LETO 24000 BTU Mini Split Air Conditioner Heat Pump on Amazon.
Read our full Senville LETO 24000 BTU Mini Split Air Conditioner Heat Pump review.
#2 Mountman 24000 BTU Mini Split AC/Heating System: Best Value
Why We Picked It
The Mountman 24000 BTU is the lowest-priced system in this guide and has a 4.5 average from 368 ratings shared across the Mountman series. It runs on 208/230V, lists 19 SEER2, and the title rates it to cool up to 1500 Sq.Ft. It uses R32 refrigerant and ships with a pre-charged condenser and installation kits.
You get cool, heat, dry and fan modes, 4 fan speeds, an ultra-quiet 26dB sleep mode, ECO mode with up to 30 percent energy savings and turbo boost for rapid cooling or heating. High-temperature self-clean keeps the indoor unit dry, and automatic defrost keeps heating steady in cold, damp weather. The remote’s display shuts off after 10 seconds.
Key Specifications
- Cooling Capacity: 24,000 BTU
- Rated Coverage: Up to 1500 sq ft (title)
- Power: 208/230V
- Efficiency: 19 SEER2
- Noise Level: 26 dB in sleep mode
- Refrigerant: R32, pre-charged
| Pros | Cons |
|---|---|
|
|
Things to Consider
The feature list gives a much smaller room figure than the title, so size it for a large room rather than the full title rating. Mountman lists a 1-year protection.
Best For
This system is best for budget buyers who want 2 tons of cooling and heating in a workshop, basement or open living area.
Check the current price and availability of the Mountman 24000 BTU Mini Split AC/Heating System on Amazon.
#3 YITAHOME 24000 BTU Mini Split Air Conditioner Heat Pump: Best Smart Pick
Why We Picked It
The YITAHOME 24000 BTU adds Wi-Fi, Alexa and a 21 SEER2 rating to a 2 ton system at a mid-range price. YITAHOME designs it for spaces up to 1500 sq. ft. and rates it to work from 5F to 118F outdoors, with 24000 BTU of heating capacity. It saves up to 25 percent on energy compared with traditional systems, according to YITAHOME.
The system offers five modes and four fan speeds, iFEEL, a timer, sleep mode, auto defrost, self-diagnosis and 135F self-cleaning. Its HEALTH settings add negative ions, electrostatic dust removal and PM2.5 removal. YITAHOME lists operation under 50 dB and a max airflow distance of 50 ft with 4D circulation. The warranty covers 5 years on parts and 7 on the compressor.
Key Specifications
- Cooling Capacity: 24,000 BTU (2 tons)
- Heating Capacity: 24,000 BTU
- Rated Coverage: Up to 1500 sq ft
- Efficiency: 21 SEER2
- Operating Range: 5F to 118F
- Controls: Remote, app, Alexa
| Pros | Cons |
|---|---|
|
|
Things to Consider
It has a 4.0 average from 479 ratings shared across the YITAHOME series, below the leaders here. The system ships in 2 packages that may arrive separately.
Best For
This system is best for smart home users who want app and voice control and a long warranty in a large room.
Check the current price and availability of the YITAHOME 24000 BTU Mini Split Air Conditioner Heat Pump on Amazon.
Other Models Worth Considering
COSTWAY 24000 BTU Mini Split Air Conditioner & Heater. A 2 ton heat pump with 24000 BTU of heating, 5 working modes, 4 fan speeds, sleep, ECO, iFEEL and turbo functions, a 0.5-24 hour timer, self-cleaning at 134.6F and auto defrost. The listing shows 23 db at low speed, and the feature list describes 5 years of parts coverage and 8 years on the compressor. It has a 4.4 average from 1,678 ratings shared across the COSTWAY series.
Cooper & Hunter 24,000 BTU 230V Mini Split AC. A MIA series 2 ton system with 18.7 SEER2, 24,000 BTU of heating and a smart kit for app control in the box. The order includes a 16FT insulated copper line set, 16FT communication cable and 16FT drainage extension. It heats down to 5F, lists 35 db and carries 7 years on the compressor and 5 on parts. It has a 4.3 average from 320 ratings.
ROVSUN 24000 BTU WiFi Mini Split Air Conditioner & Heater. A 20 SEER2 system for spaces up to 1500 sq.ft. with phone app, Alexa and Google Assistant control, 24,000 BTU of heating and a 36dB mute mode. The kit includes 16.4 copper lines and a signal cord, but an extra power cord is needed and the warranty is 1 year. It has a 4.3 average from 138 ratings.
What to Expect from 24,000 BTU Mini-Split Air Conditioners
A 24,000 BTU mini split is a 2 ton system with a large outdoor condenser and a wide indoor air handler. Expect it to cool and heat one big, open space, to need a 208/230 volt class circuit, and to require a professional install. It will not push air around corners into closed bedrooms, so for a layout with separate rooms, two smaller single-zone systems or a multi-zone system will feel more even.
For more options, see our guides to 18,000 BTU mini-split air conditioners and single-zone mini-split air conditioners. The product cards show the current price for each system.
How to Choose a 24,000 BTU Mini-Split Air Conditioner
Size the System to the Space
ENERGY STAR publishes this general guide for sizing a room air conditioner by floor area:
| Room Size (sq ft) | Cooling Capacity (BTU/hr) |
|---|---|
| 100 to 150 | 5,000 |
| 150 to 250 | 6,000 |
| 250 to 300 | 7,000 |
| 300 to 350 | 8,000 |
| 350 to 400 | 9,000 |
| 400 to 450 | 10,000 |
| 450 to 550 | 12,000 |
| 550 to 700 | 14,000 |
| 700 to 1,000 | 18,000 |
Reduce capacity by 10 percent for a heavily shaded room, increase it by 10 percent for a very sunny room, add 600 BTU for each regular occupant beyond two, and add 4,000 BTU if the unit cools a kitchen. Source: ENERGY STAR.
The chart stops below 2 tons. A 24,000 BTU system makes sense when your open space is clearly larger than what an 18,000 BTU unit covers, or when a smaller space carries a heavy load from a wall of glass or a busy kitchen.
Avoid Oversizing
An oversized mini split reaches the set point quickly and then idles, removing less humidity. If your space is borderline, choose the smaller system and let the inverter run longer at low speed.
Plan the Electrical Work
Every system here needs a 208/230 volt class circuit, listed as 208, 220 or 230 volts depending on the brand. Have an electrician confirm panel capacity and add an outdoor disconnect.
Compare Warranties
COSTWAY lists 8 years on the compressor, Cooper & Hunter and YITAHOME list 7, Senville lists 5, and Mountman and ROVSUN list shorter coverage. On a 2 ton system, a long compressor warranty is worth paying attention to.
How We Evaluate 24,000 BTU Mini-Split Air Conditioners
We rank mini splits on manufacturer specifications, listing details and aggregated buyer ratings. For this list, we kept only single-zone wall-mounted heat pumps rated at 24,000 BTU, and excluded multi-zone bundles, ducted units and listings with too little data or very short warranties. We weighed track record, efficiency, heating and buyer feedback first, then compared noise, controls, included parts and warranty.
Frequently Asked Questions
How many square feet does a 24,000 BTU mini split cover?
Several brands here list up to 1500 square feet for an open space, but real coverage depends on insulation, sun and layout.
Which 24,000 BTU mini split has Wi-Fi?
The Senville LETO, YITAHOME and ROVSUN have app control built in, and the Cooper & Hunter includes a smart kit.
Which is the quietest?
COSTWAY lists 23 db and Mountman lists 26 dB in sleep mode. Senville lists 34 dB.
Can a 24,000 BTU mini split cool a whole house?
Only an open-plan space. One air handler will not reach closed bedrooms well, so a multi-zone system suits a whole house better.
Final Verdict
The Senville LETO 24000 BTU Mini Split Air Conditioner Heat Pump is the best 24,000 BTU mini-split air conditioner for most homes, with a long track record, quiet operation and Alexa control. For the best value, choose the Mountman 24000 BTU Mini Split AC/Heating System. For Wi-Fi, 21 SEER2 and a long warranty, the YITAHOME 24000 BTU Mini Split Air Conditioner Heat Pump is the pick.
About the author
Daniel Brooks is a home cooling editor at WikiCooling, covering window, portable, through-the-wall and mini-split air conditioners, fans, and dehumidifiers. He researches cooling capacity, energy efficiency, noise levels, installation requirements, and buyer feedback to help homeowners choose the right unit for their room size, climate, and budget.