10 results found for: “state_select_water_heater”.

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Heat pump

store summer heat, by running ground source water through the air exchanger or through the building heater-exchanger, even when the heat pump itself is...

Last Update: 2021-03-24T17:27:28Z Word Count : 2948

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Heating, ventilation, and air conditioning

Nichrome). This principle is also used for baseboard heaters and portable heaters. Electrical heaters are often used as backup or supplemental heat for heat...

Last Update: 2021-04-04T15:07:00Z Word Count : 6258

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Thermostat

building heating, central heating, air conditioners, HVAC systems, water heaters, as well as kitchen equipment including ovens and refrigerators and...

Last Update: 2021-03-12T06:48:41Z Word Count : 5145

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List of vacuum tubes

hundreds of amperes from a suitable heater transformer. In some valve part number series, the voltage class of the heater is given in the part number, and...

Last Update: 2021-02-17T19:58:48Z Word Count : 40443

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Air conditioning

mechanically simple to understand and maintain. Cassette air conditioner Crankcase heater Energy recovery ventilation Energy label Ground-coupled heat exchanger Hydronics...

Last Update: 2021-04-09T01:08:52Z Word Count : 5640

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Warranty

is connected. Tank water heater warranties exclude labor, liability for water damage, and shipping cost to return the old heater or parts. Tankless warranties...

Last Update: 2021-03-15T12:27:55Z Word Count : 3080

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Cathodic protection

environments. Common applications are: steel water or fuel pipelines and steel storage tanks such as home water heaters; steel pier piles; ship and boat hulls;...

Last Update: 2021-02-25T09:53:37Z Word Count : 4296

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Vacuum tube

exploit phenomena related to electric discharge in gases, usually without a heater. One classification of thermionic vacuum tubes is by the number of active...

Last Update: 2021-04-09T20:16:48Z Word Count : 14500

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Passive house

light the space naturally, and to replace electrical water heaters with solar-energy-based water heaters. Energy portal Renewable energy portal Housing portal...

Last Update: 2021-04-01T16:17:51Z Word Count : 5888

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Indoor mold

2014. Retrieved July 12, 2015. Remediation, Stateside. "Water and Mould Damage Restoration". StateSide Remediation. Mould damage Restoration. Retrieved 23...

Last Update: 2021-04-09T21:04:58Z Word Count : 3405

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Main result

Heat pump

A heat pump is a device used to warm and sometimes also cool buildings by transferring thermal energy from a cooler space to a warmer space using the refrigeration cycle, being the opposite direction in which heat transfer would take place without the application of external power. Common device types include air source heat pumps, ground source heat pumps, water source heat pumps and exhaust air heat pumps. Heat pumps are also often used in district heating systems. The efficiency of a heat pump is expressed as a coefficient of performance (COP), or Seasonal coefficient of performance (SCOP). The higher the number, the more efficient a heat pump is and the less energy it consumes. When used for space heating these devices are typically much more energy efficient than simple electrical resistance heaters.


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