<human>:  What kind of heating systems are available to buy?
<bot>: There are many different types of heating systems available to buy, including furnace systems, heat pumps, boilers, and radiant heating systems. Other options include baseboard heating systems, ductless mini-splits, and geothermal systems. Some systems combine multiple components, such as furnaces with radiant heating, to provide better efficiency, increased comfort and more flexible zoning options.