If it's permanently attached to the house, it usually conveys, unless stated in the contract. I intend to leave the following as part of the purchase of the building (unless we agree to something different):
Appliances
Range (double oven & stove), dishwasher, microwave, refrigerator, vent hood/light, 2 through-the-wall air conditioners, washer, dryer, dehumidifier.
Mechanical Systems
Boiler, water heater, thermostat
Lighting
Ceiling lights, ceiling fans, exterior lighting
Bathroom
Mirror/medicine cabinet, towel bars, toilet paper holders, wooden shelf in upstairs bathroom
Windows
All installed blinds, shades, and curtain rods
Exterior
Mailbox, firepit, trash bin, recycling bin, compost bucket
Basement
Workbench, blue workshop cabinet, green sewing cabinet, green storage cabinet, wooden storage shelves
Up for negotiation
Window air conditioners, metal shelving in pantry and basement, wooden bar in dining room, dry sink in dining room, dining room table set (table, 4 chairs, and a bench), mirrors, kitchen island, dark wood shelf in living room, armoire in living room, kitchen trash can, cleaning supplies, maintenance supplies