Homeowners looking to cool or heat a mid-size room without central HVAC will find the 18,000 BTU output covers spaces up to around 700-900 square feet, and the AI-assisted climate control can help reduce energy use over time. At $704, that's $296 off the $1,000 list price. Apply coupon code "CZZA18" for a savings of $296. Buy Now at cozeware.com
- 18,000 BTU cooling capacity
- 20 SEER2 efficiency rating
- 10 HSPF2 heating efficiency rating
- Operates at -13°F heating and 140°F cooling ambient
- Wi-Fi and Bluetooth built in for app and voice control
Shop Memorial Day deals on portable air conditioners, fans, air purifiers, smart thermostats, dehumidifiers, and more. We've pictured this Costway 8,000 BTU Portable Air Conditioner for $225.99 ($214 off.) Shipping is free, although certain products may incur bulk surcharges. (Pickup is also available.) Shop Now at Best Buy
Apply promo code "TAKE8OFFSALE" to get this price, with Amazon and Target charging $570. A 90-day VIP Outlet warranty applies. Buy Now at eBay
Amazon offers the Feelfunn 12000-BTU Mini Split AC/Heating System for $470. That's $190 off and the lowest price it's been listed at. Shipping is free. Buy Now at Amazon
Amazon offers this 5.3-Gallon Evaporative Air Cooler for $140. That's a savings of $220. Shipping is free. Buy Now at Amazon
That's the best price it's ever been at Amazon. Buy Now at Amazon
AliExpress offers this Shinco 8,000 BTU Portable Air Conditioner for $124.96 (reduced from $516.95) via coupon code "IFP0SWY" with free shipping. Buy Now at AliExpress
- cool, fan, and dry modes
- remote control
- LED display
Get the Emerson Quiet Kool Camping 1,500-BTU Portable Air Conditioner for $121 with promo code "TAKE8OFFSALE". You'd pay $60 more elsewhere. Shipping is free and deal ends May 31. Buy Now at eBay
Renting, working in a room without central AC, or dealing with a window setup that won't fit a traditional unit, this 4-in-1 portable covers cooling, heating, fan, and dehumidifier in one box for spaces up to 350 square feet. It's currently $30 off the $230 list price at $200. Buy Now at Amazon
- 8,000 BTU cools rooms up to 350 sq ft
- 4-in-1 modes: cool, dehumidify, fan, sleep
- Removes up to 86 pints/day with continuous drainage
- Installs in minutes with 20–50 inch window kit
- Auto energy-saving and 24-hour timer lower power use
Today's Lowe's daily deals include offers on Elexnux heating and cooling products. Dehumidifiers from around $122 and portable air conditioners from around $243. These are one-day-only deals, so shop before they expire. Shipping is free on these items. Shop Now at Lowe's
- Dehumidifiers ranging from 30 pt. to 150 pt. capacity
- Portable air conditioners from 2,500 BTU to 9,000 BTU (DOE)
- Coverage areas up to 700 sq. ft. for air conditioners
- Features include automatic shut-off, drain hose, and adjustable humidistat
- Select models include pump, sleep mode, and washable filter
At eBay, get the Zokop 9000-BTU Mini Split Air Conditioner for $09. That's the best price we could find by $51. Shipping is free. Buy Now at eBay
Amazon offers the Feelfunn 12000-BTU Mini Split AC/Heating System for $500. That's a savings of $160 and the lowest price it's been. Shipping is free for Prime members. Buy Now at Amazon
At eBay, get the Refurb Hisense 5000-BTU 115V 150-Sq Ft Vented Portable Air Conditioner for $200. You'd pay $160 more for it new elsewhere. It's backed by a two-year Allstate warranty. Buy Now at eBay
At Amazon, get this Feelfunn 9,000-BTU 22 SEER2 Mini Split AC & Heating System for $399.98. It's the best price we could find by $100. Shipping is free. Shop Now at Amazon
At eBay, use promo code "VIPOUTLETMAY26" to get this used LG 10,000-BTU Smart Window Air Conditioner for $122. That's $177 less than the price of a new one elsewhere. Coupon expires June 1. Buy Now at eBay
Amazon has the Amazon Basics 6,000-BTU Window-Mounted Air Conditioner for $170.99. That's $104 below the original price. Shipping is free. Buy Now at Amazon
- Remote controlled air conditioning unit cools and dehumidifies rooms up to 250 square feet with standard 9 foot ceiling (12.1 CEER)
- Built-in filter keeps air clean; can be removed, washed, and reused
- Includes 24 hour on/off timer, auto restart, auto shutoff, clean filter alert, sleep mode, adjustable air direction, and 3 fan speed settings
- Fits standard windows with a minimum window height/width of 14 x 23 inches and max height/width of 14 x 36 inches
- Includes a window-mounting kit with adjustable side panels that expand to fit standard windows
- 6.5 foot, 3-prong, 115V power cord
- Model: MWHUK-06CRN8-BCL1
At eBay, get the Refurb Hisense 115V 10,000-BTU Air Conditioner for $260. That's a savings of $190. Shipping is free and it's backed by a one-year Allstate warranty. Buy Now at eBay
Get the Certified Refurb Toshiba 6,000 BTU Smart Wi-Fi Portable Air Conditioner for $131 less than you'd pay for this item in new condition. A two-year Allstate warranty applies with purchase. Buy Now at eBay
- circulation and dehumidification settings for rooms up to 250-sq. ft
- digital control panel with LED thermostat
- snap-together window kit
- LCD remote control
- 24-hour timer
- Model: PX0611CWRUFR
Save on heating and cooling deals in this section featuring discounts on air conditioners, space heaters, and humidifiers. We’ve pictured the ALROCKET 80-oz Dehumidifier for $59 ($61 off and the lowest price we could find). Shipping adds $5.99, but orders of $35 or more ship for free. (Pickup may also be available.) Shop Now at Walmart
Costco charges $530 for a new model. A 1-year warranty applies, but it is unclear who backs it. Buy Now at Walmart
- Ventilate, Dehumidifier, Cool
- Wi-Fi & Alexa