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  2. Spacecraft thermal control - Wikipedia

    en.wikipedia.org/wiki/Spacecraft_thermal_control

    The heat collected and transported has to be rejected at an appropriate temperature to a heat sink, which is usually the surrounding space environment. The rejection temperature depends on the amount of heat involved, the temperature to be controlled and the temperature of the environment into which the device radiates the heat. Heat provision ...

  3. Space heater - Wikipedia

    en.wikipedia.org/wiki/Space_heater

    Convective space heaters utilize convection to transfer heat from the power source to a space. These heaters typically either rely on natural or forced convection.Natural convection is a phenomenon where temperature variations in an environment generate fluid flow.

  4. HVAC control system - Wikipedia

    en.wikipedia.org/wiki/HVAC_control_system

    HVAC (Heating, Ventilation and Air Conditioning) equipment needs a control system to regulate the operation of a heating and/or air conditioning system. [1] Usually a sensing device is used to compare the actual state (e.g. temperature) with a target state. Then the control system draws a conclusion what action has to be taken (e.g. start the ...

  5. Do I need to worry about space heaters? Here’s what experts ...

    www.aol.com/lifestyle/worry-space-heaters...

    Space heaters also have a hidden hazard: They can cause overheating — aka hyperthermia — especially in kids, people with disabilities and older adults who may have difficulty leaving a room ...

  6. 7 Space Heater Safety Tips You Absolutely Need to Follow This ...

    www.aol.com/7-space-heater-safety-tips-113600623...

    Whether you need a space heater for supplemental heat or as a backup when your central heating fails, you can safeguard your home by following a few guidelines. 1. Choose the Right Location

  7. Heating, ventilation, and air conditioning - Wikipedia

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

    For example, a conventional heat pump system used to heat a building in Montana's −57 °C (−70 °F) low temperature or cool a building in the highest temperature ever recorded in the US—57 °C (134 °F) in Death Valley, California, in 1913 would require a large amount of energy due to the extreme difference between inside and outside air ...

  8. Space Heater Safety Tips (So Your House Doesn't Go Up ... - AOL

    www.aol.com/finance/space-heater-safety-tips...

    Here are some safety tips to keep in mind when using a space heater in your house. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to ...

  9. Heat pump - Wikipedia

    en.wikipedia.org/wiki/Heat_pump

    An air source heat pump (ASHP) is a heat pump that can absorb heat from air outside a building and release it inside; it uses the same vapor-compression refrigeration process and much the same equipment as an air conditioner, but in the opposite direction. ASHPs are the most common type of heat pump and, usually being smaller, tend to be used ...