The HVAC category at HiBid.com lets you bid on heating and cooling products large and small, from industrial and whole-house units down to compact portables. On the air conditioning side, you’ll find window A/C units, through-the-wall models, portable air conditioners, ductless mini-splits, and evaporative coolers for sale online. Heaters include furnaces, space heaters, garage heaters, heat pumps, outdoor heaters, stoves, and artificial fireplaces, among others. Many burn one or more types of fuel such as propane, kerosene, natural gas, ethanol, isopropyl gel, dual-fuel (liquid propane or natural gas), pellets, or firewood. Others are catalytic and turn propane into heat without burning it. Electric heaters include resistive ceramic units, infrared, and oil-filled radiators. Between the permanent and portable products are floor heaters as well as wall mount and ceiling mount models. Manufacturers include Goodman, Williams, Winchester, Lennox, Royalton, Honeywell, Frigidaire, Amana, Keystone, General Electric, Haier, DeLonghi, Whynter, Fahrenheat, Modine, King, NewAir, AeroCool, Hessaire, Whirlpool, Arctic Cove, Reddy Heater, ProCom, and many others. Return to HiBid.com later on if you don’t see the heater or air conditioner you’re searching for. Sellers frequently add new auction items for sale.