In Spain we often have an air pump (sometimes two) in the house that can pump cold or hot hair depending on what you set it to. Mostly for cold in summer, but it comes handy when radiators aren't enough in winter.
Air pumps will become the norm in Germany in a few years to phase out gas heating in private homes. Some also use it for cooling in summer. Although the one family I know that has it cools a water tank that is circulated in the ceilings of the house to cool it down without wind or noise
In Spain we often have an air pump (sometimes two) in the house that can pump cold or hot hair depending on what you set it to. Mostly for cold in summer, but it comes handy when radiators aren't enough in winter.
Air pumps will become the norm in Germany in a few years to phase out gas heating in private homes. Some also use it for cooling in summer. Although the one family I know that has it cools a water tank that is circulated in the ceilings of the house to cool it down without wind or noise