When the mercury climbs and the humidity clings, a standard fan just recirculates hot air. A 14000 BTU air conditioner is the threshold where a portable unit stops feeling like a fan with extra steps and starts delivering real, room-dominating cold — the kind that turns a stuffy bedroom or a sun-baked living room into a sanctuary. But not all 14K units are built alike; the difference between a unit that fights the heat and one that just noises along comes down to inverter technology, hose design, and real-world drainage behavior.
I’m Mo Maruf — the founder and writer behind The Tools Trunk. I analyze and compare air conditioner specifications and real user performance data to identify which models deliver on their BTU ratings without wasting your time or electricity.
Whether you are outfitting a large bedroom, a home office, or a multi-room apartment, finding the right 14000 btu air conditioner means matching cooling power to your space while balancing noise, efficiency, and installation convenience.
How To Choose The Best 14000 BTU Air Conditioner
Buying a 14,000 BTU air conditioner feels straightforward until you realize that the same BTU number can describe completely different cooling realities depending on whether the unit uses a single exhaust hose or a dual hose, whether it packs an inverter compressor, and whether it dumps condensate back into the air or truly removes it. Here’s what actually separates a great unit from a noisy disappointment.
ASHRAE vs. SACC/DOE Ratings — The Real BTU
Manufacturers advertise the ASHRAE rating, which measures cooling at the unit without accounting for heat sucked back into the room from the exhaust hose. The SACC (Seasonally Adjusted Cooling Capacity) or DOE (Department of Energy) rating is the real-world number — usually around 10,000 BTU for a 14,000 ASHRAE unit. A dual-hose configuration minimizes this gap because it pulls intake air from outside rather than creating negative pressure indoors.
Inverter vs. On/Off Compressor
A standard compressor runs at full blast until it hits the set temperature, then shuts off completely. This causes temperature swings, loud cycling noise, and high startup power draw. An inverter compressor varies its speed continuously, maintaining a stable temperature and reducing energy consumption by 30-40% compared to conventional units. Look for models that explicitly state “inverter” in the specs — the CEER (Combined Energy Efficiency Ratio) should ideally be above 10.
Dual Hose vs. Single Hose Design
A single-hose portable AC uses room air to cool the condenser, then exhausts that hot air outside. This creates negative pressure, which pulls hot outdoor air in through gaps around windows and doors, forcing the unit to work harder. A dual-hose system uses one hose for intake and one for exhaust, maintaining neutral room pressure and cooling more efficiently — typically 20-30% faster in real-world conditions.
Drainage Type — Self-Evaporation vs. Manual Emptying
Self-evaporating systems collect condensate and use a slinger ring to fling the water onto the hot condenser coil, where it evaporates and exits through the exhaust hose. In moderate humidity (below 80-90%), these units are truly drainage-free for days. In high-humidity environments or basements, even self-evaporating models may need a drain hose or periodic manual emptying. Check the product specs for rated pint removal per day and whether a drain hose is included.
Quick Comparison
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| Model | Category | Best For | Key Spec | Amazon |
|---|---|---|---|---|
| Midea Duo 14,000 BTU | Premium Portable | Year-round comfort in large rooms | 12,000 BTU SACC, Inverter | Amazon |
| ZAFRO Dual Hose Inverter (Premium) | Premium Portable | Energy efficiency & quiet operation | 10,000 BTU SACC, CEER 12.8 | Amazon |
| Whynter ARC-1230WN | Premium Portable | Award-winning all-around performance | 12,000 BTU SACC, 42.5 dB | Amazon |
| DREO 516S | Premium Portable | Ultra-quiet bedroom cooling | 10,000 BTU SACC, 45 dB | Amazon |
| Line Blaster 4-in-1 Combo | Mid-Range Portable | Heating & cooling versatility | 4-in-1 (cool/heat/fan/dehumidify) | Amazon |
| GE Window AC 14,000 BTU | Mid-Range Window | Wi-Fi smart window unit | 700 sq ft coverage, SmartHQ app | Amazon |
| ZAFRO Dual Hose Inverter (Mid) | Mid-Range Portable | Budget-friendly dual-hose performance | 10,000 BTU SACC, 390 m³/h | Amazon |
| HUMHOLD 14000 BTU | Mid-Range Portable | Value-packed smart/sleep modes | 10,000 BTU SACC, Auto swing | Amazon |
| EUHOMY 14000 BTU | Mid-Range Portable | Smart Wi-Fi control & spot cooling | 10,000 BTU SACC, 500 CFM | Amazon |
| EnerGlow 14000 BTU | Budget Portable | Budget-friendly multi-mode | 10,000 BTU SACC, 4 cooling speeds | Amazon |
| DELLA Motto 18000 BTU | Premium Mini-Split | Permanent whole-room solution | 18,000 BTU, 19 SEER2 (R-32) | Amazon |
In‑Depth Reviews
1. Midea Duo 14,000 BTU
Midea’s Duo series remains the benchmark for portable air conditioners because it solves the single-hose inefficiency with an integrated dual hose-in-hose design that maintains neutral room pressure. The 14,000 BTU ASHRAE (12,000 BTU SACC) rating means you actually get effective cooling for spaces up to 550 square feet, and the inverter compressor eliminates the temperature swings and loud cycling of conventional units. The heat pump function extends usability into cooler months, operating down to 41°F ambient temperature.
In real-world feedback, owners consistently report that the Duo cools a 500 sq ft room noticeably faster than previous single-hose units, with the inverter maintaining a steady temperature without the compressor kicking on and off. The 42-50 dB noise profile is manageable for sleep, though the unit is not silent — it produces a consistent whoosh rather than abrupt clatter. The SmartHome app and voice control via Alexa or Google Assistant add genuine convenience for scheduling and remote adjustments.
The main drawbacks are weight (77 pounds makes it a two-person job to carry upstairs) and the window kit design, which some users find finicky on unusual window dimensions. The heating function also requires outside temperatures above 41°F to operate, so it is not a replacement for a furnace in freezing climates. For a portable unit that does everything well — cooling, heating, dehumidifying, and smart control — the Midea Duo earns the top spot.
What works
- Dual hose-in-hose prevents negative pressure and heat seepage
- Inverter compressor maintains stable temperature silently
- Built-in heat pump expands seasonal use
- Smart app, Alexa, and Google Assistant control
What doesn’t
- Very heavy at 77 pounds
- Heating stops working below 41°F outside
- Window kit may require additional sealing for non-standard frames
2. ZAFRO Smart Inverter 14000 BTU (Premium)
The ZAFRO dual-hose inverter model is the efficiency champion in this lineup, boasting a CEER of 12.8 — nearly 60% higher than the federal standard of 7.83. This translates to noticeably lower electricity bills during sustained use, especially in climates where the AC runs for 12+ hours a day. The 480 cubic meters per hour airflow rating ensures rapid cooling for rooms up to 700 square feet, and the Extra Mode locks the compressor at 61°F for maximum blast when you need it most.
User reviews highlight the ultra-quiet performance at 42 dB — the quietest in this comparison — and the 72-hour drainage-free operation in normal humidity conditions. The self-evaporating system uses a water-slinging wheel to eliminate manual bucket emptying, which is a genuine convenience for daily use. The ZAFRO app provides full control over the six operating modes (Cool, Dry, Fan, Sleep, Extra, Eco) and the 24-hour timer.
Some customers note that the window kit, while complete, requires careful sealing to prevent heat leakage, and the unit’s 27-inch height means it takes up meaningful floor space. The dual-hose design also means two hoses to manage during setup, but the cooling efficiency gain easily justifies the extra installation step. For buyers who prioritize energy savings and whisper-quiet operation above all else, this ZAFRO model delivers.
What works
- CEER 12.8 is best-in-class energy efficiency
- Ultra-quiet 42 dB operation in sleep mode
- 72-hour drainage-free self-evaporating system
- Full app control with six operating modes
What doesn’t
- Two hoses require more setup attention
- Tall form factor occupies 14.25 x 16.5 inch footprint
- Window kit needs extra seals for tight fit
3. Whynter ARC-1230WN 14,000 BTU
Forbes Vetted named the Whynter ARC-1230WN the “Best Portable Air Conditioner Overall” in 2024, and the honors are justified. Its 12,000 BTU SACC rating is among the highest in the portable category, meaning it delivers close to its advertised capacity in real-world conditions. The dual-hose (patented “hose-in-hose”) design ensures that intake air comes from outside, preventing the negative pressure problem that plagues single-hose units. The inverter compressor contributes to a 42.5 dB noise floor on low settings.
The unit automatically drains condensate through the exhaust hose in normal conditions, removing up to 87 pints per day without user intervention. The NetHome Plus app provides reliable Wi-Fi control, and Alexa/Google Home compatibility adds hands-free operation. Owners consistently praise the combination of quiet operation, steady cooling without cycling, and the straightforward installation with the extendable window kit that accommodates windows up to 82 inches wide.
The primary downsides are weight (about 80 pounds, requiring two people for moving) and the size of the window kit, which may require cutting for narrower window tracks. The remote control’s “i-sense” feature (temperature sensing at the remote) is useful but requires line-of-sight. At a higher price point, the Whynter is not the cheapest option, but it delivers the highest real-world BTU output and the most consistent performance in this comparison.
What works
- 12,000 BTU SACC is the highest real-world portable rating
- Patented dual hose-in-hose eliminates heat leakage
- Auto-drain function removes up to 87 pints/day
- Smart app and voice assistant compatibility
What doesn’t
- Extremely heavy at 80 pounds
- Window kit may need cutting for common window sizes
- Highest price in the portable lineup
4. DREO 516S 14000 BTU
DREO’s 516S is purpose-built for sleep environments, featuring their patented Noise Isolation System that reduces compressor and turbulence noise to 45 dB — about the level of a quiet library. The IceCool system increases throw distance to 16 feet, which makes a meaningful difference in long or irregularly shaped rooms where other units struggle to push air to the far corner. The 3-in-1 functionality (Cool, Fan, Dry) covers the essentials without overcomplicating the interface.
The true drainage-free system is a standout feature: DREO uses a patented algorithm with sensors and a pump to evaporate condensate automatically in humidity levels up to 90%. This means no drain bucket, no hose running to a floor drain, and no unexpected shutdowns from a full tank. The Smart Climate Control via the DREO app allows you to monitor room temperature and humidity, customize sleep curves, and adjust settings with Siri, Alexa, or Google Assistant.
Some users report that installation is trickier than expected — the window kit pieces require careful alignment and additional foam for an airtight seal, especially on older windows. The rated coverage of 400 square feet is conservative compared to other 14K units that claim 700, but DREO’s honest SACC rating (10,000 BTU) aligns with its actual cooling capacity. For buyers who prioritize bedroom peace and truly maintenance-free operation, the DREO is a strong contender.
What works
- 45 dB operation is whisper-quiet for sleep
- Drainage-free up to 90% humidity with pump system
- 16-foot air throw coverage for long rooms
- Smart app with sleep curve customization
What doesn’t
- Window kit seal requires extra foam for good fit
- Coverage rated at 400 sq ft, lower than competitors
- Setup process can be frustrating for non-DIY users
5. Line Blaster 4-in-1 Combo 14000 BTU
The Line Blaster 4-in-1 is the most versatile unit in this guide, combining cooling, heating, dehumidification, and fan-only modes in a single portable chassis. The 14,000 BTU cooling capacity (ASHRAE) covers rooms up to 700 square feet in summer, and the integrated heat pump provides warmth during shoulder seasons without requiring a separate space heater. The auto-evaporative system minimizes manual draining, though in very humid conditions a bucket may accumulate.
Owners report that the unit cools large dining/living/kitchen areas effectively, with a noise level comparable to a tabletop fan — noticeably quieter than traditional window units. The included Wi-Fi and companion app provide genuine remote control convenience, and the 360-degree swivel wheels make it easy to roll from room to room. The tool-free window slide bar and 1.5-meter exhaust hose simplify installation for standard vertical and horizontal windows.
The heating function is best suited for mild cool weather (40-60°F range) rather than freezing conditions, as the heat pump efficiency drops in extreme cold. Some users note that the included window kit plastic feels less substantial than premium models, and the 23,000-watt annual energy consumption indicates it is less efficient than inverter-equipped competitors. For buyers who want one machine that handles both summer heat and autumn chill without committing to a mini-split, the Line Blaster provides practical flexibility.
What works
- 4-in-1 functionality covers cooling, heating, dehumidifier, and fan
- Wi-Fi app control and remote included
- Easy tool-free installation with window slide bar
- Quieter than typical window air conditioners
What doesn’t
- Heating efficiency drops significantly below 40°F
- Window kit materials feel less durable than premium rivals
- Higher energy consumption due to non-inverter compressor
6. GE Window AC 14,000 BTU
For buyers who prefer a traditional window-mounted unit over a portable floor-standing design, the GE 14,000 BTU model brings modern smart features to the classic form factor. It covers rooms up to 700 square feet with quiet, efficient cooling, and the SmartHQ app allows scheduling, monitoring, and voice control through Amazon Alexa and Google Assistant. Eco Mode automatically cycles off the fan and compressor when the room reaches the set temperature, reducing energy waste.
The fixed chassis and EZ Mount kit make installation straightforward for double-hung windows ranging from 26.13 to 37.75 inches wide. The slide-out washable filter is simple to maintain — GE recommends cleaning every 30 days. Owners consistently describe the unit as very quiet and capable of winning battles with 90-degree summer days, though some note that the louvers are tiny and direct airflow almost straight forward with limited horizontal adjustment.
The main compromise is the inability to move the unit between rooms — once installed in a window, it stays there. Some users report that Eco Mode temperature readings can be inaccurate by several degrees, and the high-pitched fan noise on higher speeds bothers light sleepers. For a permanent installation in a single large room with smart home integration, the GE window unit is a solid, energy-efficient choice in the 14,000 BTU window category.
What works
- SmartHQ app with Alexa and Google Assistant support
- Eco Mode reduces energy consumption automatically
- Slide-out washable filter for easy maintenance
- Very quiet and powerful for a window-mounted unit
What doesn’t
- Limited directional control with small louvers
- Eco Mode temperature readings can be inaccurate
- Permanent installation — not portable between rooms
7. ZAFRO Dual Hose 14000 BTU (Mid)
This ZAFRO dual-hose model brings inverter technology and a dual-hose design to a more accessible price point, making efficient cooling available without the premium markup of the top-tier Whynter or Midea. With a CEER of 12.8 (identical to the premium ZAFRO variant) and 390 cubic meters per hour of airflow, it delivers the same energy-saving inverter performance and steady temperature control that eliminates the cycling blast common in cheaper units.
The self-evaporating system provides up to 72 hours of drainage-free operation in sub-90% humidity, and the six operating modes (Cool, Dry, Fan, Sleep, Extra, Eco) give granular control over comfort. The ZAFRO app, remote, and touch panel provide three ways to control the unit, and the 24-hour timer allows pre-cooling before you arrive home. Owners praise the fast cooling, sleek design, and quiet operation — noticeably less noisy than traditional single-hose portables.
Some reports mention that the included window kit requires additional weatherstripping for an airtight seal, and the unit is heavy enough to need help moving upstairs. The 10,000 BTU SACC rating matches other dual-hose competitors, but the 390 m³/h airflow is slightly lower than the premium ZAFRO’s 480 m³/h. For buyers seeking dual-hose inverter performance without stretching to the highest price tier, this ZAFRO hits the sweet spot.
What works
- Dual-hose inverter design at a mid-range price
- CEER 12.8 for substantial energy savings
- 72-hour drainage-free operation
- App, remote, and touch control options
What doesn’t
- Airflow (390 m³/h) is lower than premium variant
- Window kit may need additional sealing
- Heavy — requires two people for stairs
8. HUMHOLD 14000 BTU
The HUMHOLD 14,000 BTU unit packs a surprising number of smart features into a mid-range price, including Smart Mode (automatically switches between Cool and Fan based on room temperature), Sleep Mode with sub-48 dB noise, a 24-hour timer, and 0-80 degree auto-swing louvers for even air distribution. The 3-in-1 functionality covers cooling, fan, and dehumidifying (95 pints/day), and the self-evaporating system reduces manual draining in normal conditions.
The front LED display and full-function remote with its own LED screen make it easy to read temperature and adjust settings from across the room. The upgraded fan system pushes air with enough force to feel cold anywhere in a 700-square-foot space, and the four 360-degree wheels and hidden side handles make relocation straightforward. Owners report strong cooling performance — many describe it as “cold as ice” — and appreciate the easy 3-step window installation.
Some users note that the rated 14,000 BTU ASHRAE translates to roughly 10,000 BTU SACC in real-world conditions, which is standard for this category but worth understanding before purchase. The unit can be loud at higher fan speeds (59-61 dB), and the window kit may not fit all window types perfectly without additional foam. For a feature-packed mid-range portable with excellent cooling, the HUMHOLD offers strong value.
What works
- Smart Mode auto-selects cooling or fan based on room temp
- Auto-swing louvers distribute air 0-80 degrees
- Self-evaporating system reduces draining frequency
- Front LED display and remote with LCD screen
What doesn’t
- Noise level reaches 59-61 dB on high fan speed
- Window kit fitment may need additional sealing
- Real-world SACC (10,000 BTU) lower than ASHRAE rating
9. EUHOMY 14000 BTU
EUHOMY’s 14,000 BTU portable AC emphasizes smart home integration with its Wi-Fi app control, allowing temperature adjustments, mode changes, and scheduling from anywhere. The upgraded compressor delivers 500 CFM of airflow — among the highest in this comparison — cooling rooms up to 650 square feet in about 6-10 minutes according to the manufacturer. The CEER of 7.9 meets federal standards for efficiency, offering decent energy performance for a non-inverter unit.
Sleep Mode runs around 50 dB with a dimmed display, and the 24-hour timer lets you match operation to your daily routine. The dehumidification mode removes up to 140 pints per day, making it effective in humid basements or coastal climates. The adjustable window kit fits 19.6-50 inch sliding windows without tools, and the renter-friendly design requires no permanent modifications to the property.
Some early reviews report reliability concerns, with units stopping blowing air and displaying error codes (E4) after a few days. The hose and window kit components feel less durable than premium models, and the unit draws significant power — plugging directly into a wall outlet rather than a surge protector is recommended. For buyers comfortable with some assembly required and who prioritize app control and high airflow, the EUHOMY is a capable mid-range option.
What works
- Wi-Fi app control for remote management
- 500 CFM airflow cools rooms quickly
- Tool-free window kit fits sliding windows 19.6-50 inches
- High dehumidification rate (140 pints/day)
What doesn’t
- Some units experience E4 error codes after short use
- Hose and window kit materials feel flimsy
- Must plug directly into wall, not surge protector
10. EnerGlow 14000 BTU
The EnerGlow 14,000 BTU unit is priced to compete at the entry level of the 14K market, offering Turbo Mode (locks the unit at 64°F with maximum fan speed for instant relief) and Smart Mode (automatically selects Cool or Fan based on room temperature). The 4-in-1 functionality covers cooling, fan, dry, and sleep modes, with a 24-hour timer for scheduling. The 420 m³/h airflow is adequate for standard rooms, and the CEER of 7.8 provides baseline efficiency.
The self-evaporating system handles daily moisture in normal conditions, though in humid environments the drain plugs on the back may need to be opened. The remote control with a 23-foot range and child lock feature adds family-friendly convenience, and the four 360-degree wheels make the 63-pound unit manageable to move between rooms. Owners report that the unit cools 400 square foot rooms quickly, even in 90°F heat, and the sleep mode at 42 dB is genuinely usable for overnight rest.
The most common complaints center on noise — the unit is loud on higher fan speeds, described by some as comparable to a window AC unit, and a minority of users report insufficient cooling for their expectations. One reviewer with a very small apartment found the cooling inadequate, suggesting the real-world SACC (10,000 BTU) may struggle in extreme heat or poorly insulated spaces. For budget-conscious buyers who need basic 14,000 BTU cooling capacity for moderate climates, the EnerGlow delivers reasonable value.
What works
- Turbo Mode provides instant 64°F blast cooling
- Smart Mode auto-selects fan or cool based on temperature
- Sleep mode at 42 dB is usable overnight
- Four-way wheels and handle for easy relocation
What doesn’t
- Noise level is loud at higher fan speeds
- Cooling may be insufficient for very small or poorly insulated spaces
- Self-evaporating system may need manual draining in humid conditions
11. DELLA Motto Series 18000 BTU Mini Split
The DELLA Motto mini split operates in a different category from portable units — it’s a permanent ductless system requiring professional installation (line-set vacuuming, wall mounting, and 230V electrical wiring). With 18,000 BTU actual cooling capacity and a 19 SEER2 rating, it far exceeds any portable unit in both power and efficiency. The R-32 refrigerant is more environmentally friendly than R-410A, and the DC inverter compressor provides up to 30% power savings over conventional mini splits.
The 4D airflow system with up-down and left-right louver adjustment ensures even temperature distribution across up to 1,000 square feet. The “I Feel” mode on the remote control senses temperature at the remote’s location rather than at the indoor unit, providing personalized comfort. With a noise level of 29 dBa indoors (extraordinarily quiet), this unit outperforms every portable in this guide by a wide margin in both cooling power and silence.
The trade-offs are significant: installation requires an HVAC professional with a vacuum pump and torque wrench, the upfront investment is much higher, and the outdoor unit needs a permanent location. Some reviews report reliability issues with multiple defective units and difficulty with seller service. For homeowners willing to invest in permanent infrastructure for superior efficiency and quietness, the DELLA mini split represents the ceiling of performance that no portable can reach.
What works
- 19 SEER2 energy efficiency far exceeds any portable unit
- 29 dBa indoor noise is whisper-quiet
- 4D airflow for even cooling across 1,000 sq ft
- R-32 refrigerant with DC inverter compressor
What doesn’t
- Requires professional HVAC installation (230V, line-set vacuum)
- Much higher upfront cost than portable options
- Some reliability concerns reported with multiple defective units
Hardware & Specs Guide
ASHRAE vs. SACC/DOE BTU Ratings
This is the single most misunderstood spec in portable air conditioners. ASHRAE measures cooling capacity at the unit itself under laboratory conditions without accounting for exhaust hose heat recirculation. SACC (Seasonally Adjusted Cooling Capacity) and DOE (Department of Energy) ratings measure real-world performance with the exhaust hose installed, typically 20-25% lower than the ASHRAE number. A 14,000 BTU ASHRAE portable usually delivers 10,000-12,000 BTU SACC. Dual-hose designs minimize this gap because they draw condenser cooling air from outside rather than from the room.
Inverter Compressor vs. Conventional Compressor
A conventional compressor runs at 100% capacity until the set temperature is reached, then shuts off completely. This causes temperature swings of 3-5°F, noisy cycling, and high inrush current each time the compressor restarts. An inverter compressor varies its speed continuously, ramping up when the room is hot and down when it approaches the set temperature. This maintains temperature within 1°F, reduces noise by eliminating start-up clatter, and typically cuts energy consumption by 30-40%. Units with a CEER above 10 are reliably inverter-based.
Dual Hose vs. Single Hose Efficiency
Single-hose portable ACs use indoor air to cool the condenser, then exhaust that hot air outside. This creates negative indoor air pressure, which pulls hot outdoor air in through window gaps and door seals, forcing the unit to work much harder and reducing real-world efficiency. Dual-hose systems use one hose to intake outdoor air for condenser cooling and a second hose to exhaust the hot air, maintaining neutral room pressure. Dual-hose units cool 20-30% faster in practice and typically have higher SACC ratings relative to their ASHRAE numbers.
Self-Evaporation and Drainage Systems
Self-evaporating systems use a slinger ring on the condenser fan to fling collected condensate onto the hot condenser coil, where it evaporates and exits through the exhaust hose. In environments with humidity below 80-90%, these units operate without user intervention for days. In high humidity or basement installations, even self-evaporating models may need a drain hose connected to a floor drain or periodic manual bucket emptying. Check the rated pint removal per day (70-140 pints for 14K units) — higher numbers indicate more robust moisture handling in humid climates.
FAQ
How many square feet can a 14000 BTU air conditioner cool?
Do I need to drain a 14000 BTU portable air conditioner?
What is the difference between ASHRAE and SACC ratings for air conditioners?
Can a 14000 BTU portable AC cool multiple rooms?
Is a dual-hose portable AC worth the extra cost?
Final Thoughts: The Verdict
For most users, the 14000 btu air conditioner winner is the Midea Duo 14,000 BTU because its dual hose-in-hose design, inverter compressor, and integrated heat pump deliver the best balance of cooling power, energy efficiency, and year-round versatility in a portable form factor. If you want absolute energy savings and whisper-quiet operation, grab the ZAFRO Smart Inverter 14,000 BTU — its CEER 12.8 rating and 42 dB noise floor are unmatched. And for a permanent whole-room solution that outperforms every portable on the market, nothing beats the DELLA Motto 18,000 BTU Mini Split, assuming you are ready for professional installation.