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In hot weather air conditioners, using the magic of special refrigerant chemicals, ... Your thermostat will most probably have a light that comes on when this happens. It is usually labeled as emergency or auxiliary heat. If this light is on whenever your heat pump is working, you should have a professional service your system.
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www.askthebuilder.com/294_Heat_Pumps_-_How_Well_Do_They...
www.askthebuilder.com/294_Heat_Pumps_-_How_Well_Do_They_Work_.shtml
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What is the purpose of auxiliary heat? ... The heat pump is effective in many geographies. In all electric applications, the heat pump may consume less energy than an electric furnace or air handler using resistance heat. Why? Because it can deliver the same amount of BTUs as electric heaters using less electrical input...
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www.trane.com/Residential/Residential-FAQ
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Aux (auxiliary)Heat. The balance point (when it can no longer efficiently transfer heat from the outside air) of an air source heat pump, is usually about 35 degrees. The thermostat senses this and automatically turns on the electric heat strips to provide the additional heat needed.
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www.climatemakers.com/common_hvac_probs/auxemheat.htm
www.climatemakers.com/common_hvac_probs/auxemheat.htm
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If the water pump is a single speed water pump, the auxiliary electric heater is activated when a temperature sensor on the water line exiting the heat sink outlet or supply detects the temperature of the water exiting the heat sink outlet or supply is below a threshold value.
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www.freepatentsonline.com/7210303.html
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The present invention relates to a control for a heat pump having an auxiliary heat source that operates the auxiliary heat source and locks out the heat pump based on the estimated heating load, rather than on directly sensed outside temperature.
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www.freepatentsonline.com/6729390.html
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DEAR PAULA: The selector button that says auxiliary is a switch that allows you to bypass the heat pump. If you switch the heat pump into this mode, the heat pump creates heat strictly by using the electric resistance coils inside the air handler unit portion of the system.
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www.askthebuilder.com/EM0008_Heat_Pump_Thermostat_Setti...
www.askthebuilder.com/EM0008_Heat_Pump_Thermostat_Settings.shtml
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Select a heat pump with a demand-defrost control. This will minimize the defrost cycles, thereby reducing supplementary and heat pump energy use. ... If you’re adding a heat pump to an electric furnace, the heat pump coil should usually be placed on the cold (upstream) side of the furnace for greatest efficiency.
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www.allheatpump.com/
www.allheatpump.com/
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Home Depot product reviews and customer ratings for Digital Heat Pump Thermostat for Use With Heat Pumps With Auxiliary Heat. Read and compare experiences customers have had with Honeywell products. ... Review 2 for Digital Heat Pump Thermostat for Use With Heat Pumps With Auxiliary Heat...
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reviews.homedepot.com/1999/100400016/reviews.htm
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Not all heat pump thermostats have an auxiliary heat indicator light, but most conventional heat pumps have auxiliary heat built-in. ... If the auxiliary light is coming on during relatively mild weather (above 40-50 degrees) and the wind outside is not blowing, you may have a problem with your heat pump. If this is the...
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www.broomheating.com/FAQ_HP.htm
www.broomheating.com/FAQ_HP.htm
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