Discount Air Conditioner Deals

Works well for heating and cooling a larger room or small addition without ductwork, and the 20 SEER2 rating means better efficiency than most standard window units. Apply coupon code "CWHZ9" for a savings of $337.50. Deal ends September 30.  Buy Now at cozeware.com

Cooling a single room without a permanent install is the main appeal here, since this unit rolls between spaces and vents out any standard window, making it a solid fit for renters. At $250, that's $40 off the $290 list price. Buy Now at Amazon

This Midea 8,000 BTU window air conditioner is $34 off its regular price of $340 and matches its all-time low on Amazon. It ships free. Buy Now at Amazon

Small bedrooms or single rooms up to about 150 square feet are the sweet spot for a 5,000 BTU unit like this one, and at $158 you're paying $18 less than the $176 list price. Buy Now at Amazon

A compact wall-mounted air cooler that suits small rooms or workspaces where you want to free up floor space, it's $99 less than Amazon is charging for a similar one. Import charges of $19.87 and a payment processing fee of $2.08 apply.

New Alibaba customers get shipping for $6.66; otherwise, it starts at around $27.  Buy Now at Alibaba

At Amazon, get the Garvee 9000 BTU Mini Split AC/Heating System for $357. It's the best deal that Amazon has ever offered for this model. It combines 9,000 BTU of cooling and heating with a 17 SEER2 efficiency rating and quiet operation as low as 24-26 dB. Shipping is free. Buy Now at Amazon

The Home Depot carries a wide range of portable air conditioners covering small bedrooms up to large open spaces over 700 sq. ft. Prices start around $221 for compact units and climb toward $680 for larger, feature-packed models with heating and dehumidifying functions. Several units are discounted, including one Edendirect model at $449.61, down 41% from $762.04. Shoppers can filter by room size, BTU rating, and features like built-in heaters or dehumidifiers to match a unit to their space. Shop Now at Home Depot

Amazon offers the GarveeHome 12000-BTU 115V Mini Split Air Conditioner for $441. You'd pay $607 elsewhere. Shipping is free. Buy Now at Amazon

At eBay, get the refurb Hisense 8,000-BTU DOE Smart Portable Air Conditioner for $200. It's the best price we could find for a refurb by $30. A 2-year Allstate warranty is included. Buy Now at eBay

Amazon offers the Frigidaire 14,000-BTU Wall Air Conditioner for $589.99, Amazon's best-ever price.  You'd pay around $700 elsewhere.  Shipping is free. Buy Now at Amazon

At Amazon, get the GarveeHome SEER 19 12,000 BTU 115V Mini Split Air Conditioner for $441. That's $187 less than what Walmart charges. The unit covers rooms up to 750 sq. ft., operates as quietly as 30dB, and uses R32 refrigerant with a SEER 19 efficiency rating. An installation kit with line sets, drain hose, and remote control is included. Buy Now at Amazon

At Walmart, the Frigidaire 6,000 BTU Window Air Conditioner is $177, almost $20 less than what Amazon and Best Buy are charging. Other sizes in the same lineup are also discounted, including the 8,000 BTU model at $227 and the 12,000 BTU model at $308. Buy Now at Walmart

A portable AC unit works well for cooling a single room without a permanent window installation, and this 8,500 BTU model is suited for spaces up to 230 square feet. At $198, it's $32 off the $230 list price. Buy Now at Walmart

Amazon offers the Black + Decker 8,000-BTU Air Conditioner for $299.99. That's a $120 savings. Shipping is free.  Buy Now at Amazon

Amazon offers the Honeywell 5,000-BTU Window Air Conditioner for $128; that's Amazon's best-ever price.  Shipping is free. Buy Now at Amazon

This 12,000-BTU mini split system is $391.49 at Walmart.  That's a $59 low.  Shipping is free. Buy Now at Walmart

Small to mid-sized rooms without central air are where this unit earns its keep, especially in spaces where installing a window unit isn't practical or allowed. It rolls from room to room, so renters and apartment dwellers get a cooling option that moves out just as easily as it moved in. Buy Now at Home Depot

Two zones off a single outdoor unit make sense for cooling or heating separate rooms without ductwork, and the 21 SEER2 rating keeps energy costs down compared to older mini split systems. Buy Now at Home Depot

Handy for cooling a larger room without a permanent install, and the WiFi lets you adjust settings remotely or on a schedule; it's currently $61 off the $400 list price at Amazon. Buy Now at Amazon