For a vacuum company, Dyson can sometimes feel like nerd church. Dyson has chosen the depths of winter to offer a good sale on a couple of WIRED's favorite vacuums and heaters. Dyson's line is a lot to sort through, but luckily, WIRED has spent years sorting Dyson wheat from Dyson chaff. Two of WIRED's favorite top-line Dyson models are also on sale at significant discounts—our favorite pet hair vacuum and our favorite purifier-heater. Best Pet Hair Vacuum: $250 Off Dyson Gen5 DetectWIRED reviewer and dogged cat lover Molly Higgins says she's obsessed with the Dyson Gen5 Detect cordless vacuum, her pick as the best pet hair vacuum on the market.