Labor Day marked the unofficial end of summer, but the weather hasn’t let up yet. Heat waves are expected to continue around the country, so if you’re in need of a new air conditioner, it’s a great time to find one on discount.

To save you the time of rummaging through sales online or in-store, we rounded up a list of the best sales on air conditioners. The window ACs and portable ACs listed below start at $125 and are mostly designed for small to medium rooms up to 700 square feet.

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Below, find a list of window-mounted and portable air conditioners from GE, LG, Frigidaire, Insignia and more best-selling brands that are currently on sale at major retailers like Amazon, Walmart, Home Depot, Best Buy, Lowe’s, Wayfair and Sam’s Club.

Need more help beating the heat? Click here to shop portable air conditioners, and be sure to read our roundup of adjustable fans and handheld fans to keep you cool for the summer (and possibly the fall).

GE 5,000 BTU 115-Volt Mechanical Window Air Conditioner

This GE Air Conditioner is marked down at a bunch of different retailers, but Walmart has one of the cheaper discounts at $150. The air conditioner has a 5,000 BTU cooling capacity suitable for rooms up to 150 square feet. You can also find it on sale at Amazon, Lowe’s, or upgrade to this GE 8,000 BTU AC ($265.99 at Best Buy).

Frigidaire 5,000 BTU Window Air Conditioner

Save $54 on Frigidaire’s 5,000 BTU window air conditioner. Easy to install and easy to clean, this budget air conditioner features adjustable side panels, a washable filter and Effortless Temperature Control to keep a small room cool (up to 150 square feet).

Black + Decker 14,000 BTU Portable Air Conditioner

Keep cool in any room up to 700 square feet with this best-selling, Black + Decker portable air conditioner. The 14,000 BTU personal cooling device (measuring 16.5 inches x 11.7 inches x 27.9 inches) includes a dehumidifier, fan and remote control. A 24-hour timer helps reduce energy use and Sleep Mode auto-controls the air temperature at night.

Arctic King 12,000 BTU Window Air Conditioner

Artic King’s 12,000 BTU air conditioner is designed to cool up to 500 square feet. The remote-controlled unit features three cooling speeds and weighs 74 pounds. It measures 17.1inches x 23.1 inches with a 22-inch depth.

Midea 5,300 BTU Portable Air Conditioner

Midea specializes in air conditioners, like this 8,000 BTU portable air conditioner, which is designed for tiny spaces (up to 150 square feet).  The air conditioner features three modes: cooling, dehumidifying and a dual-speed fan, plus it’s easy to install (roll  the air conditioner to your preferred cooling area, attach the 5-foot hose and adjustable window bracket, and let the cooling begin!). Interested in a window air conditioner from the same brand? Check out the Midea 8,000 BTU U-Shaped Smart Air Conditioner ($489).

Another U-shape option similar to the Midea air conditioner mentioned above, this Insignia air conditioner is marked down $50 at Best Buy. It offers a powerful, 8,000 BTU rating and designed for vertical sliding windows. Features include an oscillating fan with three different speeds, along with up/down and left/right adjustment options. The AC has a remote control that lets you operate the unit from up to 26.2 feet away and it’s ultra-quiet (up to 9x quitter than most traditional ACs, per the manufacturer). Find additional Best Buy air conditioners here.

Windmill 8,300 BTU 115-Volt Air Conditioner

Also for small to medium spaces, the Windmill 8,300 BTU air conditioner works for rooms of up to 300 square feet (the air blows up and out of the AC at a 45-degree angle for better cooling). This remote controlled, pre-assembled AC is marked down $60 at Home Depot and comes with an easy-installation kit, plus you can control it from anywhere with Windmill’s free app. The AC is designed for double-hung and single-hung windows with an opening width of 23- 37 inches, and a vertical opening of at least 14 inches. The back sticks out approximately 13 inches. Click here for more options from Home Depot.

LG 10,000 BTU Smart Air Conditioner

For rooms of up to 450 square feet or less, the LG Dual Inverter AC is as “quiet as a library,” plus it’s energy efficient. Ideal for medium-sized rooms (15 feet x 13 feet), the 10,000 BTU air conditioner has DUAL Inverter technology, saving you as much as 15 percent on energy costs. The AC has four cooling and fan speeds, a remote control, four-way air deflection, and a 24-hour timer to customize your cooling schedule. LG ThinQ technology allows you to control the AC from your phone, or use voice control with Amazon Alexa and Hey Google. And if there’s a power outage, the AC’s auto restart feature atomically turns it back on once the power gets restored. Cooling a larger space? This LG 15,000 BTU 115V Window Air Conditioner is  $599 at Sam’s Club.

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