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Hot-water heat

Diagram to come

Its parts

Thermostat
Programmable thermostats are used to control heating and cooling equipment.

U.S. Department of Energy

Circulator pump
Modern hydronic systems have a variety of components designed to enhance the performance of the system, including the circulator, meant to facilitate the flow of water throughout the building and the air eliminator, which removes microbubbles from the fluid.

U.S. Department of Energy

Radiator
Trüschel (2002) ran simulations and conducted a field study on hydronic (hot water) heat systems and found that TRVs are most effective in low-flow systems, partly because of increased radiator sensitivity to flow changes.
Radiators: Hot water flows through a series of metal fins, typically made from cast iron, and releases heat into the room through air convection and radiation.

U.S. Department of Energy

Related pages

Sources

  1. U.S. Department of Energy. HVAC Programmable Thermostats.
  2. U.S. Department of Energy. Balancing Hydronic Systems in Multifamily Buildings (DOE Building America).
  3. U.S. Department of Energy. Thermostatic Radiator Valve Evaluation (Building America, DOE).