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  2. Thermoelectric generator - Wikipedia

    en.wikipedia.org/wiki/Thermoelectric_generator

    Thermoelectric generators function like heat engines, but are less bulky and have no moving parts. However, TEGs are typically more expensive and less efficient. [2] When the same principle is used in reverse to create a heat gradient from an electric current, it is called a thermoelectric (or Peltier) cooler.

  3. Gas heater - Wikipedia

    en.wikipedia.org/wiki/Gas_heater

    Upright non-flued liquefied petroleum gas heater, 1970s A wall mounted gas heater that runs on either propane or natural gas. A gas heater is a space heater used to heat a room or outdoor area by burning natural gas, liquefied petroleum gas, propane, or butane. Indoor household gas heaters can be broadly categorized in one of two ways: flued or ...

  4. Exhaust heat recovery system - Wikipedia

    en.wikipedia.org/wiki/Exhaust_heat_recovery_system

    An exhaust heat recovery system turns waste heat energy in exhaust gases into electric energy for batteries or mechanical energy reintroduced on the crankshaft. The technology is of increasing interest as car and heavy-duty vehicle manufacturers continue to increase efficiency, saving fuel and reducing emissions.

  5. Exhaust gas - Wikipedia

    en.wikipedia.org/wiki/Exhaust_gas

    The small converter handles the start-up emissions, which allows enough time for the larger main converter to heat up. Further improvements can be realised in many ways, [2] including electric heating, thermal battery, chemical reaction preheating, flame heating and superinsulation.

  6. Absorption refrigerator - Wikipedia

    en.wikipedia.org/wiki/Absorption_refrigerator

    Absorption refrigerators are commonly used in recreational vehicles (RVs), campers, and caravans because the heat required to power them can be provided by a propane fuel burner, by a low-voltage DC electric heater (from a battery or vehicle electrical system) or by a mains-powered electric heater.

  7. Is It Cheaper To Run Space Heaters Or Central Heat? - AOL

    www.aol.com/cheaper-run-space-heaters-central...

    Consumer Reports’ lab engineers tested more than 90 space heaters and found that the highest-rated models can heat an average-sized room (200 square feet) in about 15 minutes, with individual ...

  8. Forced-air - Wikipedia

    en.wikipedia.org/wiki/Forced-air

    The supply plenum directs air from the central unit to the rooms which the system is designed to heat. Regardless of type, all air handlers consist of an air filter, blower, heat exchanger/element/coil, and various controls. Like any other kind of central heating system, thermostats are used to control forced air heating systems.

  9. 'Not trivial': EV sales could drop nearly 30% if Trump ... - AOL

    www.aol.com/finance/not-trivial-ev-sales-could...

    The report found this would lead to EV registrations falling to 867,000 EVs from 1.184 million with the tax credit in place — or 317,000 fewer EVs. Bloomberg News was first to highlight the ...

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