Open-box Hoover PowerDash Pet Compact Carpet Cleaner

This sale at Woot covers smart thermostats and Simply air filters for the home. The Amazon Smart Thermostat is $32.99, down from $69.99, while an ecobee smart thermostat runs $111.99, down from $139.99. Air filters range from $21.99 up to $144.99 depending on MERV rating and pack size. This deal ends September 6. Buy Now at Woot! An Amazon Company

Woot's sale on air conditioners, fans, purifiers, and humidifiers spans window, portable, and wall AC units from brands like LG, GE, Frigidaire, and Black+Decker. A Water-Based Air Purifier Revitalizer is $22, down from $68, while a TURBRO 14k BTU Portable Air Conditioner drops to $270 from $700. The lineup mixes new, refurbished, and factory-reconditioned units, so it's worth checking the condition before buying. This deal ends August 30. Shop Now at Woot! An Amazon Company

eBay's Hisense sale covers portable and window air conditioners along with dehumidifiers, most of them certified refurbished. A 50-pint dehumidifier with a built-in pump is available for $139.98, down from $239.99, while portable air conditioners with heat pumps and inverters range from around $170 to $430. The selection spans a range of BTU ratings and room coverage sizes, giving shoppers options across both cooling and moisture-control needs. Refurbs include 1- or 2-year Allstate warranties. Shop Now at eBay

Basements and damp crawlspaces are where this one earns its keep, pulling moisture from spaces up to 5,000 square feet so you're not running a smaller unit nonstop. It's $70 off the $200 list price, bringing it down to $130. Buy Now at Amazon

Madison Seating's eBay storefront offers a wide range of refurbished Herman Miller office chairs, with prices starting at $99.11 for an Eames Molded Plastic chair and reaching up to $1,049 for a fully loaded Embody chair. Popular Aeron and Mirra models are also available in refurbished condition, many backed by a 10-year warranty and free returns. The selection extends beyond Herman Miller to include refurbished chairs from Steelcase and Knoll as well. Buy Now at eBay

adidas is offering up to 60% off in its eBay outlet store, with an extra 50% off using promo code "AUGUST50". The sale spans running shoes, slides, apparel, and accessories, such as the adidas Ultraboost 5X shoes at $130 to $140, down from $180, and the Gazelle Indoor shoes at $61, down from $130. Coupon ends August 27. Shop Now at eBay

At the Target Outlet on eBay, shoppers can save up to 75% off a range of items, including furniture, clothing, shoes, toys, music, and lots more, from brands big and small. Everything in here also qualifies for the promo code "BULLSEYESAVE10", which cuts an extra 10% off. Everything in here is from Target's warehouse (and some of the items are cheaper than what they're still selling for directly from the store). Shipping is free on all orders, too. A max. discount of $40 applies and the coupon expires on September 1. Shop Now at eBay

Bullseye Deals' Target Outlet Clearance Sale on eBay spans furniture, home organization, bedding, and outdoor gear, with promo code "BULLSEYESAVE10" adding an extra 10% off already discounted listings. A Room Essentials wavy accent table drops to $28.89 from $55, while a Threshold 250 thread count organic cotton sheet set falls to $32.99 from $75. The code caps at a $40 maximum discount and is limited to one use per buyer. Coupon ends September 1. Shop Now at eBay