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2. Geothermal heating - Wikipedia

   en.wikipedia.org/wiki/Geothermal_heating

   The addition of the ground heating loop in the energy equation means that significantly more heat can be transferred to a building than if electricity alone had been used directly for heating. Switching the direction of heat flow, the same system can be used to circulate the cooled water through the house for cooling in the summer months.

3. Heating system - Wikipedia

   en.wikipedia.org/wiki/Heating_system

   A heating system is a mechanism for maintaining temperatures at an acceptable level; by using thermal energy within a home, office, or other dwelling. Typically, these systems are a crucial part of an HVAC (Heating, Ventilation, and Air Conditioning) system.

4. Ground source heat pump - Wikipedia

   en.wikipedia.org/wiki/Ground_source_heat_pump

   A heat pump in combination with heat and cold storage. A ground source heat pump (also geothermal heat pump) is a heating/cooling system for buildings that use a type of heat pump to transfer heat to or from the ground, taking advantage of the relative constancy of temperatures of the earth through the seasons.

5. Thermosiphon - Wikipedia

   en.wikipedia.org/wiki/Thermosiphon

   Heat can still be transferred in this system by the evaporation and condensation of vapor; however, the system is properly classified as a heat pipe thermosyphon. [1] [2] If the system also contains other fluids, such as air, then the heat flux density will be less than in a real heat pipe, which contains only a single substance.

6. Thermal energy storage - Wikipedia

   en.wikipedia.org/wiki/Thermal_energy_storage

   While stoves and kilns are ovens, they are also thermal storage systems that depend on heat being retained for an extended period of time. Thermal energy storage systems can also be installed in domestic situations with heat batteries and thermal stores being amongst the most common types of energy storage systems installed at homes in the UK. [54]

7. Solar thermal energy - Wikipedia

   en.wikipedia.org/wiki/Solar_thermal_energy

   Copper heat exchangers are important in solar thermal heating and cooling systems because of copper's high thermal conductivity, resistance to atmospheric and water corrosion, sealing and joining by soldering, and mechanical strength. Copper is used both in receivers and in primary circuits (pipes and heat exchangers for water tanks) of solar ...