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  2. The Best Garage Heaters for Warming Up Chilly Workshops ... - AOL

    www.aol.com/lifestyle/garage-heaters-keep-space...

    This heavy-duty, 240-volt garage heater is ideal for climates with major temperature swings, featuring a two-stage high and low heating system. Its lower heat output satisfies mildly cool days ...

  3. Removable insulation blanket - Wikipedia

    en.wikipedia.org/wiki/Removable_insulation_blanket

    Removable insulation blankets can be installed on many indoor and outdoor components such as boilers, steam traps, pipes, valves, flanges, and more. [2] They are typically used to prevent heat from escaping hot components; however, they can also be used to prevent freezing or warming of cold components.

  4. Central heating - Wikipedia

    en.wikipedia.org/wiki/Central_heating

    A district heating system uses centrally located boilers or water heaters and circulates heat energy to individual customers by circulating hot water or steam. This has the advantage of a central highly efficient energy converter that can use the best available pollution controls, and that is professionally operated.

  5. Chiller boiler system - Wikipedia

    en.wikipedia.org/wiki/Chiller_boiler_system

    A chiller boiler system is a hydronic system. It uses water instead of air to heat and cool a structure. A properly designed hydronic system is usually more efficient than a standard forced air system. [1] Chiller boiler systems use radiant heating and cooling or fan coil systems to condition a home or business. This allows for multiple zones ...

  6. Heating, ventilation, and air conditioning - Wikipedia

    en.wikipedia.org/wiki/Heating,_ventilation,_and...

    Heaters are appliances whose purpose is to generate heat (i.e. warmth) for the building. This can be done via central heating. Such a system contains a boiler, furnace, or heat pump to heat water, steam, or air in a central location such as a furnace room in a home, or a mechanical room in a large building.

  7. Air preheater - Wikipedia

    en.wikipedia.org/wiki/Air_preheater

    The purpose of the air preheater is to recover the heat from the boiler flue gas which increases the thermal efficiency of the boiler by reducing the useful heat lost in the flue gas. As a consequence, the flue gases are also conveyed to the flue gas stack (or chimney ) at a lower temperature, allowing simplified design of the conveyance system ...