Air purifiers; Electric fans; Humidifiers for household use; Multi-purpose, electric countertop food preparation apparatus for cooking, baking, broiling, roasting, toasting, searing, browning, barbecuing and grilling food; Sous-vide machines for household use; Electric coffee machines; Electric grills; Electric griddles; Electrically-powered handheld vaporizers for vaporizing vaporizable constituents of herbal and plant matter for creating an aroma for household use; Portable electric heaters