Lifemaster

LifeMaster 8 000 BTU Portable Air Conditioners Room Air Conditioner with Digital Remote for Room up to 350

50+ bought in the past month

$259.99$379.90

About this item

  • 3-IN-1 OPERATIONS - AIR CONDITIONER, DEHUMIDIFIER, AND FAN: A chilly room temperature from a room air conditioner is not always the requirement, because of which it comes with a built-in dehumidifier and a fan mode with 2 speed settings. Switching between these modes is super easy with the digital remote control.
  • QUIET & POWERFUL - Our 8,000 BTU ASHRAE ( 5,100 BTU DOE ) compact air conditioner (12.8 x 11.6 x 27.6 in,) will keep you cool and comfortable all summer. An adjustable fan speed cools the air to 65°F at the coolest setting. Sleep mode makes it extra quiet while you rest, Casters for easy mobility
  • EASY SETUP AND MAINTENANCE WITH AN EXHAUST KIT AND A REMOVABLE AIR FILTER: Your quiet portable air cooler for room is quick and easy to set up. Just take your AC where it is required and install the window mount exhaust kit and the exhaust hose in a few minutes and you are done. Also, the removable air filter makes it super easy to wash.
  • PERFECT FOR ALL ROOMS - This floor-standing portable AC unit provides steady, fast, effective cooling for rooms up to 350 sq. ft. It’s the ideal small air conditioner for dorms, apartments, cabins, campers, offices, bedrooms, or living rooms
  • EASY INSTALLATION: Roll your air conditioner to the preferred cooling area, attach the 5ft hose and adjustable window brackets (fits openings from 26.5-49“), turn the unit on and let your cooling begin. An exhaust hose and window kit are included, no extra tools are needed for assembly. Installation instructions are simple and can be done by anyone.
$259.99
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Delivery17 Apr – 23 Apr
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Product details

BrandLifemaster
Capacity350 Cubic Feet
Cooling Power8000 British Thermal Units
Special FeatureDehumidifier, Fast Cooling, Remote Controlled
Product Dimensions11.6"D x 12.8"W x 27.6"H
Seasonal Energy Efficiency Ratio (SEER)27.3
ColorWhite
Voltage110 Volts
Noise Level50 Decibels
RefrigerantR 410A

Technical specifications

product_dimensions11.6 x 12.8 x 27.6 inches
item_weight26 pounds
manufacturerLifeMaster
item_model_numberLMPAC8.5
best_sellers_rank#511,696 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #99 in Portable Air Conditioners
form_factorPortable
warranty_description1 Year Warranty
batteries_requiredNo
included_componentsWindow Kit
capacity350 Cubic Feet
floor_area350 Square Feet
voltage110 Volts
noise_level50 Decibels

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Customer reviews

4.0109 ratings

Customers say

Customers find the air conditioner works well, particularly in bedrooms, and appreciate its quiet operation, good quality, and value for money.

★★★★★

Good Solution for a Quick Summer Time Cool Down

JeffJuly 8, 2025

I recently purchased this great LifeMaster 8000 BTU Portable Air Conditioner, and I’m satisfied with my experience! This unit cools my bedroom (12 ft x 12 ft) room quickly and efficiently, even during hot summer days. It's been over 90F here in Pittsburgh. The 3-in-1 functionality (cooling, dehumidifying, and fan modes) makes it versatile and convenient. Installation was straightforward thanks to the window included kit, and the remote control is easy to use. I am a single guy in a big house so I got this so I can turn my main HVAC off and save money! Overall, I would recommend the LifeMaster 8000 BTU Air Conditioner to anyone looking for an affordable way to cool down a room. I'd get one of the higher BTU LifeMaster units if you have a bigger space. Have a great week everybody! Read more

★★★★★

Nice little unit for a dorm room

TrevorAugust 10, 2024

I bought the 8000btu unit for a small dorm room. It works very well for that purpose. It suited our needs of not requiring any permanent or damaging modifications to the window to install. There is an expandable panel that fits inside a small window opening, which fits the exhaust hose. There was nothing to permanently attach to the window. There is a drain pan for condensate. We raised the unit up and ran a hose out the window for it to be able to drain continuously since it’s very humid here. I liked the adjustable louvers on the front to direct the cool air wherever wanted. It operates quietly. Just fan noise, which isn’t very loud. Easy to sleep in the same room with. Provides comfortable temperature and less humidity. Read more

★★★★★

does the job well

dev rayJuly 9, 2025

I wasn't sure if these types of air conditioners would work well, but it surprisingly keeps our bedroom really cold! I also appreciate that when it's in cool mode, you don't have to drain the water, as it self-evaporates. I only wish there was a setting that would allow the cool air to run continuously without the thermostat eventually shutting it off, which wakes us up in the middle of the night. Because of that, I will give it 4 stars. Recently, I noticed a strange smell coming from the unit that resembled a possible coolant leak. It could have been due to a dirty filter, but I cleaned it. Nevertheless, I contacted customer service, and they sent me a brand new unit, so I’m giving it an extra star for their excellent support! Read more

★★★★☆

Flawed but gets the job done

Vicky KeenanNovember 23, 2025

Worth the money as it works well despite flaws. Produces cold air to immediately cool the area infront of the fan and eventually whole room. My exhaust hose would not attatch to the window kit or ac unit, works and seals well with enough duct tape. The window kit that was supplied is thin uneven plastic that leaves cracks without weather stripping. The plastic provides poor insulation especially when it comes to noise, sounds and feels like the window is open. As with other AC units, it will alternate between silently idle and audibly compressing, with no apparent setting to have the circularting fan stay on, making it difficult to sleep wether or not you appreciate white noise. Since these issues can be fixed with simple and common DIY solutions, the AC unit is well worth the purchase considering the affordability and performance. Read more

★☆☆☆☆

Not a good AC

RSPPRODINCOctober 5, 2024

This unit is not good for a camper. I have a 24 foot travel trailer, so room is limited. I bought this after hearing it's good for RVs. The exhaust hose is a royal pain. It's not really a "flexible" hose (such as a regular dryer hose) and connects to a window set up that's much too large. One slight movement of the unit and the hose forces the hose to come apart from the window mount. Once installed and running, it only dropped the temperature down in my camper 2 degrees after three hours of use. When I viewed my electric meter while using the unit, the wheel rotated faster than an airplane propeller making me believe that it's not any kind of money saver vs the AC that came with my trailer. I gave it a shot, but returned it the same day. It did not work for me. Read more

★★☆☆☆

Loud and probably going to fail soon

scooter nickMay 5, 2025

Works well but I have a feeling it won’t make it through the summer. Started buzzing LOUD as soon as it hit 90 out (purchased in March) Read more

★★★★★

Been Great!

StevenNovember 20, 2025

Have been using it in my outside enclosure and it’s strong and cools fast! Read more

★★★☆☆

It’s what it is described as

Ashley annJune 30, 2025

Don’t believe the shipping times took longer than stated to arrive which was the only reason I purchased it hoping for arrival on the day it stated. Also my box came inside a bigger box, turns out the original box was completely destroyed and the bottom was completely ripped off so assuming it was dropped. Machine is not too bad noise wise, it’s the same as when I run my box fan on full speed. I do like the two drainage spots for water as a different one I own only has one drainage spot and it’s at the way bottom. Also like the that vent is hooked on by sliding it on to the unit vs twisting it on. We’ll see how it works Read more

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