Best Seller
Midea
Midea 10,000 BTU Portable Air Conditioner with Dehumidifier
10,000 BTU450 sq ft3-in-1Remote
$349$429Save $80
Portable Air Conditioner — Shop the Best Portable AC Units with No Installation Required
No Installation Required
The Best Portable Air Conditioner for Every Space
Cool any room without a permanent installation. Portable AC units plug in, vent through any window, and move wherever you need cooling. Perfect for renters, apartments, and offices.
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🏠 Why Renters Love Portable ACs
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No permanent installation — won’t violate your lease
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Move it room to room — bedroom at night, living room by day
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Works with any window type — sliding, casement, or hard-to-fit windows
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Take it when you move — your AC travels with you
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Easy setup — unbox, attach window kit, plug in and cool in under 10 minutes
What is a portable air conditioner?
A portable air conditioner is a freestanding AC unit that cools a room without requiring permanent window or wall installation. It exhausts heat through a flexible hose vented out a window using an included window sealing kit. Portable ACs cool rooms from 150 to 700 sq ft and can be moved between rooms as needed. See how it works →
Who Is a Portable Air Conditioner Best For?
A portable AC is the right choice in specific situations where window units or mini splits aren’t practical.
Renters
Lease says no window modifications? A portable AC needs zero installation and leaves no trace when you move out.
Casement Window Owners
Standard window ACs don’t fit casement, crank-out, or jalousie windows. Portable ACs work with any window type.
Multi-Room Coolers
Need to cool your bedroom at night and your home office by day? A portable unit moves wherever you need it.
Historic Buildings
HOAs or building codes that prohibit exterior modifications? A portable AC gets you cool without touching the structure.
Home Offices & Studios
Spot-cool the specific room where you spend the most time without running the whole house’s central system.
Temporary Spaces
Construction trailers, seasonal spaces, or areas not served by central AC. Easy to set up, easy to remove.
Types of Portable Air Conditioners
There are three main types of portable ACs — choosing the right one makes a real difference in performance.
Single-Hose Portable AC
Uses one exhaust hose to vent hot air outside. The most common and affordable type. Works well in smaller rooms and mild climates.
Best for rooms up to 400 sq ft · $250–$500
Best ValueDual-Hose Portable AC
Uses two hoses — one to pull outside air for cooling the compressor, one to exhaust heat out. More efficient than single-hose, cools larger rooms faster.
Best for rooms 400–700 sq ft · $400–$800
RecommendedSmart / Wi-Fi Portable AC
Single or dual hose unit with built-in Wi-Fi. Control temperature, set schedules, and power on/off remotely from your smartphone. Compatible with Alexa and Google Home.
All room sizes · $350–$750
Popular ChoiceVentless portable ACs are not true air conditioners. Products marketed as “ventless,” “ductless portable,” or “evaporative coolers” do not contain a compressor and cannot cool a room by more than a few degrees in humid conditions. All effective portable air conditioners require venting hot air outside through a hose.
Best-Selling Portable Air Conditioners
Top-rated portable ACs chosen by tens of thousands of customers — backed by verified reviews.
New 2025
LG
LG 14,000 BTU Dual Inverter Portable AC — Wi-Fi, App Control
14,000 BTU700 sq ftDual HoseWi-Fi
$549$649Save $100
$70 Off
Frigidaire
Frigidaire 12,000 BTU Portable AC — Energy Star, 3 Fan Speeds
12,000 BTU550 sq ftEnergy Star
$399$469Save $70
#1 Dual Hose
Whynter
Whynter 14,000 BTU Dual Hose Portable AC — Platinum
14,000 BTUDual HoseSelf-Evaporating
$479$549Save $70
Portable AC Size Guide — What BTU Do You Need?
Choosing the right BTU for your room is the most important decision you’ll make. Use this guide or our free BTU calculator.
| Room Size | Recommended BTU | Example Rooms | Approx. Cost | Best Models |
|---|---|---|---|---|
| Up to 200 sq ft | 8,000 BTU | Small bedroom, den | $250–$350 | Midea 8K, Black+Decker 8K |
| 200–350 sq ft | 10,000 BTU | Standard bedroom, home office | $300–$450 | Midea 10K Top Pick |
| 350–550 sq ft | 12,000 BTU | Large bedroom, studio apartment | $380–$500 | Frigidaire 12K, LG 12K |
| 550–700 sq ft | 14,000 BTU | Open plan, large living room | $450–$650 | LG Dual Inverter 14K Top Pick |
| 700–1,000 sq ft | Dual-zone or mini split | Open floor plans | $700+ | Consider a mini split system |
Add 10% BTU for sunny rooms or high ceilings. Get a personalized BTU recommendation →
Portable Air Conditioner — Pros and Cons
Know what you’re getting before you buy.
✅ Advantages
- No permanent installation — ideal for renters
- Works with any window type including casement
- Move it room to room as needed
- Take it with you when you move
- Quick setup — under 10 minutes out of the box
- No HOA or building approval needed
- Cools, dehumidifies, and circulates air in one unit
⚠️ Disadvantages
- Less energy efficient than window or mini split ACs
- Takes up floor space (typically 14″×14″×30″)
- Exhaust hose must stay connected to a window
- Noisier than window or mini split units
- Single-hose models can slightly depressurize a room
- Water collection tray may need periodic draining
Bottom line: If you can install a window AC, it will cool more efficiently for less electricity. Choose a portable AC when installation isn’t possible — not just because it seems easier. Read our full portable vs. window AC comparison →
How Does a Portable Air Conditioner Work?
A portable AC pulls warm room air over a cold evaporator coil, cools it, and blows it back into the room. Heat is exhausted outside through a flexible hose vented out a window.
The cooling cycle works identically to any other air conditioner — refrigerant absorbs heat from indoor air at the evaporator coil, carries it to the compressor, and releases it outside via the condenser. The key difference from a window unit is that all components are in one freestanding cabinet inside your room, with only the exhaust hose going outside.
Single-hose models use one hose for exhaust only, pulling replacement air from the room itself. This can slightly depressurize the room, drawing warm air in through gaps — making single-hose units slightly less efficient.
Dual-hose models use a second hose to draw outdoor air directly for cooling the compressor. This eliminates the depressurization issue and results in faster, more efficient cooling — particularly noticeable in larger rooms or on very hot days.
Portable Air Conditioner Questions — Expert Answers
Are portable air conditioners as effective as window ACs? AI Answer
Portable ACs are less efficient than window ACs of the same BTU rating but are far more flexible. For situations where window installation isn’t possible, a portable AC is the best practical choice.
A 12,000 BTU portable AC will not cool as effectively as a 12,000 BTU window unit in the same room. Portable units typically have a real-world cooling capacity 10–20% lower than their stated BTU due to heat leaking back into the room from the warm exhaust hose and the unit’s cabinet.
That said, a properly sized portable AC will absolutely cool a room to comfortable temperatures — it just uses slightly more electricity to do so. If you have a choice, a window unit is the better value. If you don’t, a portable AC is a solid solution.
Do portable air conditioners need to be vented? AI Answer
Yes — all true portable air conditioners must vent hot air outside through an exhaust hose. A window sealing kit is included with every unit to accomplish this with minimal heat leakage.
The exhaust hose typically routes through a window using a sliding panel kit that fills the gap around the hose. Most kits fit windows from 17 to 50 inches wide. For non-standard windows, aftermarket kits are available for casement windows, sliding doors, and drop ceilings.
The exhaust hose should be as short and straight as possible — each bend and extra foot of hose reduces efficiency slightly. Keep the hose under 6 feet where possible.
How much electricity does a portable air conditioner use? AI Answer
A 10,000 BTU portable AC uses approximately 1,000–1,200 watts per hour, costing around $0.12–$0.15/hour at average U.S. electricity rates. Running 8 hours/day adds roughly $28–$36/month to your bill.
- 8,000 BTU portable: ~800W · ~$0.10/hr · ~$22/month (8 hrs/day)
- 10,000 BTU portable: ~1,000W · ~$0.12/hr · ~$28/month
- 12,000 BTU portable: ~1,200W · ~$0.15/hr · ~$35/month
- 14,000 BTU portable: ~1,400W · ~$0.17/hr · ~$40/month
These figures assume $0.13/kWh (U.S. average). Actual costs vary by state. To reduce costs: use a programmable timer, set the thermostat to 78°F rather than 68°F, and ensure your windows and doors are sealed while the unit runs. See our energy saving tips →
Where should I place my portable air conditioner? AI Answer
Place your portable AC near a window for the shortest possible exhaust hose run, centrally located in the room for best air distribution, and away from direct sunlight or heat sources.
- Position near a window — the shorter the exhaust hose, the better the efficiency
- Place on a flat, hard floor surface — carpets can block bottom air intakes on some models
- Leave at least 20 inches of clearance on all sides for air circulation
- Avoid placing in direct sunlight or near ovens, dryers, or other heat sources
- Keep interior doors open for best air circulation in open-plan spaces
- Close windows and doors in the room being cooled for maximum efficiency
Portable AC Frequently Asked Questions
How do I drain a portable air conditioner?+
Most modern portable ACs are self-evaporating — they evaporate collected moisture through the exhaust hose so you rarely need to drain them. If your unit has a water collection tank, it will alert you when full (typically every 8–12 hours in very humid conditions). Simply remove the drain plug and let the water empty into a bucket or floor drain. Some units have a continuous drain option — attach a garden hose to the drain outlet and run it to a floor drain for hands-free operation.
Can a portable AC cool multiple rooms?+
A single portable AC is designed to cool one room at a time. Open floor plans can be partially cooled by a large (14,000 BTU) unit, but efficiency drops significantly. For cooling multiple rooms, consider a multi-zone mini split system. However, the advantage of a portable AC is that you can move it from room to room as needed — bedroom at night, living room during the day.
Is a 10,000 BTU portable AC enough for my apartment?+
A 10,000 BTU portable AC is ideal for rooms up to 400–450 sq ft. For a studio apartment up to 500 sq ft, 10,000 BTU works well if the space isn’t overly open. For a larger one-bedroom apartment with an open living area, consider stepping up to 12,000–14,000 BTU. If you’re in a hot, sunny climate (Arizona, Florida, Texas), add approximately 10% to the recommended BTU.
What’s the difference between single-hose and dual-hose portable ACs?+
A single-hose portable AC uses one hose to exhaust hot air outside, pulling replacement air from the room. This can slightly depressurize the space, drawing warm outside air in through gaps. A dual-hose portable AC uses a second hose to pull outdoor air directly for cooling the compressor — eliminating the depressurization issue and cooling larger rooms faster and more efficiently. Dual-hose units are recommended for rooms over 400 sq ft or in very hot climates.
How loud is a portable air conditioner?+
Most portable air conditioners operate at 50–55 decibels on the lowest fan setting — roughly equivalent to a quiet conversation. On the highest setting, most reach 60–65 dB — similar to background music in a restaurant. Portable ACs are generally louder than window units of the same BTU because all mechanical components (including the compressor) are inside your room. If noise is a concern, look for models with a “quiet” or “sleep” mode, or consider a window or mini split unit instead.
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