Updated at: 13-04-2022 - By: Sienna Lewis

There are a number of reasons that limit the capacity of an air conditioner. Voltage, for example, is an issue to consider. For high-BTU air conditioners, we typically want to know this:

What’s the largest 110 or 115-volt air conditioner you can find?

Voltages of 110V, 115V, and 120V are standard across the majority of electrical grids. Which air conditioner has the highest BTU capacity that can be connected to those voltages?

Prior to diving into the various models, here are several common air purifiers that can still be powered by 110V and their respective BTU capacities:

  • 8,000 – 14,000 BTU portable air conditioners powered by 110-120V.
  • 110-120V 110-120V 110-120V window air conditioners: 5,000-15,000 BTU
  • An air conditioner with a 9,000-12,000 BTU capacity and 110-120V operation is a mini-split.

For each sort of AC unit, we’ll present examples of the most powerful BTU models.

Highest BTU 110V Portable Air Conditioners (2 Examples)

Almost all portable air purifiers are powered by 110V. They may provide between 8,000 BTU and 14,000 BTU of heat. Changing their location is a snap! (unlike most other AC units).

These units, which have a 14,000 BTU output, use 1,300 to 2,000 Watts of power. We’re talking about 10-18 amps.

In terms of BTU production, here are two 110V portable air conditioners:

#1 Whynter ARC-14S 14,000 BTU Dual Hose (Best Unit With Highest Energy-Efficiency)

The Whynter ARC-14S portable air conditioner is the best example of the most powerful 110V air conditioner. To use it, simply plug it into a standard 110V outlet. It has 1,300W and 11.6A of electricity. Purchasing it is easy at the following link:

Among the greatest portable air conditioners, you’ll find this one.

#2 Black + Decker BPACT14WT (Classic Large BTU 110V Portable AC Unit)

The Black + Decker BPACT14WT is a 110V portable air conditioner with the largest cooling output of 14,000 BTUs. Here’s where to acquire it:

Window AC Units With Highest BTU Running On 110V (1 Example)

A window sill is where a window air conditioner is put. They are less portable than portable air conditioners, but they may also be powered by standard household 110V outlets, just like portable air conditioners.

15,000 BTU is the maximum BTU that a 110V window air conditioner can produce (you will find one example of 15,000 BTU 110V window AC below).

When connected to 230V, window air purifiers can chill to over 30,000 BTUs. Even on 230V, LG LW2516ER and Frigidaire FFRA2822U2 have 24,500 and 28,000 BTU, respectively.

#1 Example: Emerson Quiet Kool EARC15RE1 (Highest 110V Window AC With 15,000 BTU)

Despite operating at the ordinary 110V power, Emerson Quiet Kool EARC15RE1 provides a huge cooling output of 15,000 BTU. Window air conditioners are in high demand due to their low voltage and high BTU output:

Other models of window air conditioners can be found here.

Highest BTU 110/120V Mini Split AC Units (2 Examples)

Split-system air conditioners with mini-split configurations are the most common. One or more interior air handlers are connected to the outdoor generator. Mini-split air conditioners that operate on 110 volts are typically limited to cooling a single room.

They can provide a maximum of 12,000 BTUs of cooling power when running on 110/120V.

Here are two samples of 110/120V mini-splits with the most BTUs:

#1 MRCOOL – DIY-12-HP-115B25 DIY (Highest 12,000 BTU Mini Split With Highest SEER Rating)

MRCOOL – DIY-12-HP-115B25 DIY is an exceptional machine. Running on 110V, it can generate the largest 12,000 BTU cooling output. Additionally, it works as a heat pump and can provide 12,000 BTU of heating power in the winter. You can check it here:

DIY-12-HP-115B25 from MRCOOL Creating your own products is a remarkable machine. It has a maximum cooling output of 12,000 BTUs when powered by 110V. In the winter, it may produce 12,000 BTU of heating power when used as a heat pump as well as an air conditioner. You can see it at this link: ‘

#2 Pioneer WYS012A-19 (Affordable Large BTU 110V Mini Split Heat Pump)

12,000 BTU cooling power and 12,000 BTU heating power are provided by the Pioneer WYS012A-19, which is capable of functioning on 110V. Here’s where to acquire it:

The best mini-split air conditioners can be found on this list.

The BTU production from a 110V power supply is substantial. Window air conditioners may produce up to 15,000 BTU with 110V BTU and 10-15 amps. Window air conditioners with a 24,000 BTU cooling capacity require more power.

On 110V, the most popular mini-splits may produce up to 12,000 BTU. The largest 110V portable air conditioner has a cooling capability of 14,000 BTU.

Please feel free to ask any questions you may have about the high-capacity 110V air conditioners in the comments section.

Our top picks for the best window air conditioners that are large enough to fit in a window

1.Frigidaire (28,000 BTU)

Window-Mounted Heavy-Duty Temperature Sensing Remote Control Air Conditioner, 25,000 BTU, 230V White, FRIGIDAIRE

Air conditioners manufactured by Frigidaire come in a variety of designs and sizes.

At 28,000 BTU, the FFRA282WAE can chill a space as large as 1,900 square feet.

It requires a 230 volt outlet and will not run on a typical 115 volt socket to function.

2.Koldfront WAC10002WCO (10,000 BTU)

10000 BTU 115V Window Air Conditioner with Dehumidifier and Remote Control by Koldfront.

Window air conditioners from small to large are made by Koldfront.

Using a regular 115 volt outlet, the model WAC10002WCO produces 10,000 BTUs.

It has three speeds, a remote control, and a host of additional conveniences.

230 volts is the standard voltage for the majority of these larger models, however there are exceptions.

3.LG LW1516ER (18,000 BTU)

AC Window-Mounted, 115V, 15,000 BTU, LG LW1516ER LW1516ER

Another well-known air conditioner manufacturer is LG, which offers a wide selection of air conditioners.

From 6,000-18,000 BTU, they are available in a variety of sizes.

A wonderful aspect of the new LG models is that they may be ordered with or without WiFi.

In terms of size for a 110-115 volt standard home outlet, the LG LW1516ER 15,000 BTU unit is about as big as it gets.

4.Friedrich Chill Series CP24G30B (24,000 BTU)

Window air conditioner, Friedrich Chill Series CP24G30B, 24,000/23,500 BTU, 230/208v, ENERGY STAR

Friedrich Chill offers a variety of window air conditioners ranging from 5200 to 24,000 BTU.

Cooling capacity of the 24,000 BTU unit is up to 1400 square feet.

In addition, it’s one of the quietest window units on the market.

5.BLACK + DECKER (14,000 BTU)

14000 BTU Portable Air Conditioner Unit + 11000 BTU Heater, Remote, LED Display and Window Vent Kit with 4 Caster Wheels in White by BLACK + DECKER

Unlike other window air conditioners, this Black and Decker device is lightweight and portable.

Pumping heat out of a 5 inch hose that can be simply placed in a window is how it works,

When the weather becomes chilly, it’s a nice perk to have the ability to heat the house.

With 14,000 BTUs of cooling power, it is one of the most powerful 110-120 volt air conditioners.

When not in use, it may be easily moved around on the bottom thanks to the wheels.

Because of this, it’s perfect for short-term rentals like apartments and other short-term housing.

Best Large Window Air Conditioning Units Comparison Chart


The answer is: it depends on how big you want it to be. The BTU rating of the largest 110 air conditioner is 15,000 BTU. However, the largest unit varies from one model of air conditioner to the next.

There are a variety of sizes and BTUs to choose from, depending on the model and the brand. That’s why it changes.

Are There Any 110/120 Volt ACs With the Highest BTU?

When it comes to 110V air conditioners, how big can you get away with? There are three excellent options to consider.