These bags compress bulky items like comforters and winter coats down to a fraction of their size, making them useful for closet space or packing for a move. Apply coupon code "MV3ICRYI" for a savings of $14.50. Prime members get free shipping. Buy Now at Amazon

Home Depot has this Ryobi One+ wet/dry vacuum for just $40 as part of its Black Friday sale. That's a $20 savings. Shipping is free and the deal will end on December 2. Buy Now at Home Depot

With the promo code "SAVE20TECH", this certified refurbished Dyson V9 Motorbar drops to $232 at eBay. That's $30 under our last mention from September and the best deal we've ever seen for this vac. It comes with a 2-year warranty serviced by Allstate and free 30-day returns. The seller is Dyson's official eBay store, and the promo code expires November 8.  Buy Now at eBay

Amazon has the Dyson V10 Konical cordless vacuum for $350. That's the best price Amazon's offered, and a $150 savings. The conical cleaner head is designed to de-tangle hair as it cleans. Shipping is free. Buy Now at Amazon

Woot lists a wide selection of sizes of these Simply air filters from just $29.99. That's around $7 under what you'd pay for the cheapest size today at Amazon. The filters are rated MERV 11 and MPR 1000, and Woot says they are comparable to 3M Filtrete MPR 1000 filters. Sizes range from 10x10x1 to 24x30x1, with two 4"-thick options available. Prime members get free shipping and the deal ends on November 30. Buy Now at Woot! An Amazon Company

Woot is running a big sale on heaters, humidifiers, purifiers, and air conditioning units today, with discounts as high as 68%. Some standout deals include the Emerson SmartVoice tower heater at $100, and the Frigidaire PureA300 HEPA air purifier at $70, down from $159. Refurbished LG window and wall air conditioners are also included at a big discount. Prime members get free shipping on all orders, and the sale ends November 15.  Shop Now at Woot! An Amazon Company

Apply promo code "PRELUV" to get this price, which is a total of $130 off. It covers up to 1,000 square feet and removes up to 70 pints of moisture daily, with a gravity drain system for continuous use without emptying a tank. It also comes with a 5-year limited warranty.

The same code takes 5% off everything else sitewide, as well. Buy Now at Argendon

Home Depot offers the Ryobi One+ 18V Cordless Stick & Hand Vacuum Combo Kit for $139.  That's a $66 savings.  Shipping is free. Buy Now at Home Depot

The roborock H60 Hub Pro-B stick vacuum is $150 off at Amazon, and its $199.99 price matches its Amazon all-time low. The included auto-empty dock holds a 3L dust bag that roborock rates for up to 100 days between changes. The detachable battery runs up to 80 minutes per charge, and the kit adds a motorized mini-brush and a crevice tool. Shipping is free. Buy Now at Amazon

At Amazon, this roborock Q7 M5+ robot vacuum and mop is $110 off. The price is also below its 90-day average of $296 on Amazon. The self-empty dock uses a 2.7L dust bag, and the robot maps your home w/ LiDAR and can be scheduled through the app. Shipping is free. Buy Now at Amazon

This Grand Teton Collection Gros Ventre pellet stove is $300 off at Tractor Supply as part of its Holiday Deal, with pricing valid through November 29. Choose pickup to avoid the $30 delivery fee.  Buy Now at Tractor Supply Co.

This DeWalt 20V MAX cordless handheld vacuum is $70 off at Lowe's as one of their early Black Friday deals. MyLowe's Rewards members get free shipping on this order (it's free to join). Pickup may also be available.  Buy Now at Lowe's

W/ promo code "HDJNWUW0VW4I", this Fanttik Slim V8 APEX car vacuum costs $65 at Amazon, down from $100. That price is below its Amazon 90-day average of $83 and the lowest price we've ever seen. The blower function can push crumbs out of textured cup holders and vents before you vacuum them up. We've pictured the black model. Shipping is free. Buy Now at Amazon

HSN is taking up to 50% off vacuum cleaners, robot vacuums, steam mops, carpet cleaners, sweepers, floor steamers, and floor-care accessories from brands like Shark, BISSELL, iRobot, Wagner, Eureka, and more. Deals include the Shark 2-in-1 Ultra-Light Corded Stick Vacuum for $119.99 (down from $199.99), the Dreamvac UV Sanitizing Handheld Vacuum for $69.99 (down from $129.99), and the iRobot Roomba 105 Vac Robot Vacuum for $149.99 (pictured, down from $299.99). Plus, get free shipping. Shop Now at HSN

Picks up both dry debris and liquid spills in one pass, which makes it a handy option for car interiors or kitchen messes where you don't want to switch tools, and it's currently $60 off the $100 list price. Apply coupon code "NFPIZJ9J" for a savings of $60. Free shipping applies. Buy Now at Amazon

The Ryobi ONE+ 18V Cordless Stick Vacuum Kit is $10 off at Home Depot, and the price matches its Amazon all-time low of $199. Plus, it includes your choice of a free tool, worth up to $99. Shipping is free. Deal ends December 2. Buy Now at Home Depot

Update: The price has dropped to $119.00 since this was originally published.

At Amazon, this Shark Rocket Pro DLX corded stick vacuum is $80 off and matches its Amazon all-time low of $120. The vacuum converts to a handheld and includes pet tools for reaching tight spots. Shipping is free. Buy Now at Amazon

The Dreo Air Purifier 338 hits its Amazon all-time low of $60 and is 33% off. It carries AHAM Verified performance testing and ENERGY STAR certification. Three aroma pads are included for the built-in scent diffuser. Shipping is free. Buy Now at Amazon

The iRobot Roomba 105 Combo Robot Vacuum & Mop is $151 off at Amazon, and $169 matches its Amazon all-time low. The 90-day Amazon average is $191. It uses LiDAR mapping and automatically avoids carpets while mopping, with a 1-year manufacturer warranty. Shipping is free. Buy Now at Amazon

With promo code "SAVE20TECH", this Certified Refurb Dyson Digital Slim cordless vacuum costs $200, which is $300 less than Target charges in factory sealed condition, and $80 less than Amazon charges in refurb condition.  The battery is removable, and an LCD screen shows the remaining runtime. This refurbished unit is sold directly by Dyson with a two-year warranty provided by Allstate. The coupon ends November 8. Buy Now at eBay