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2. Tankless water heating - Wikipedia

   en.wikipedia.org/wiki/Tankless_water_heating

   A hybrid water heater is a water heating system that integrates technology traits from both the tank-type water heaters and the tankless water heaters. [5] It maintains water pressure and consistent supply of hot water across multiple hot water applications, and like its tankless cousins, it is efficient and can supply a continuous flow of hot ...

3. Water heating - Wikipedia

   en.wikipedia.org/wiki/Water_heating

   Tankless water heaters—also called instantaneous, continuous flow, inline, flash, on-demand, or instant-on water heaters—are gaining in popularity. [citation needed] These high-power water heaters instantly heat water as it flows through the device, and do not retain any water internally except for what is in the heat exchanger coil.

4. Storage water heater - Wikipedia

   en.wikipedia.org/wiki/Storage_water_heater

   Solar heat is clean and renewable. This is the most modern system. Increasingly, solar powered water heaters are being used. Their solar thermal collectors are installed outside dwellings, typically on the roof or walls or nearby, and the potable hot water storage tank is typically a pre-existing or new conventional water heater, or a water heater specifically designed for solar thermal.

5. Specific heat capacity - Wikipedia

   en.wikipedia.org/wiki/Specific_heat_capacity

   Graph of temperature of phases of water heated from −100 °C to 200 °C – the dashed line example shows that melting and heating 1 kg of ice at −50 °C to water at 40 °C needs 600 kJ. The specific heat capacities of gases can be measured at constant volume, by enclosing the sample in a rigid container.

6. Feedwater heater - Wikipedia

   en.wikipedia.org/wiki/Feedwater_heater

   A Rankine cycle with two steam turbines and a single open feedwater heater. A feedwater heater is a power plant component used to pre-heat water delivered to a steam generating boiler. [1] [2] [3] Preheating the feedwater reduces the irreversibilities involved in steam generation and therefore improves the thermodynamic efficiency of the system ...

7. Recreational vehicle - Wikipedia

   en.wikipedia.org/wiki/Recreational_vehicle

   Wholesale recreational vehicle (RV) shipments during the first four months of 2021 rose more than 86% over 2020, because consumer demand for RVs has soared since the pandemic's onset. Analysts expect industry revenue to increase 1.1% through 2026 as U.S. residents continue to plan domestic trips because of continued travel restrictions around ...