Text Box: then regulates  the amount of humidity needed.    Text Box: Indoor Unit – Refers to either the air handler or the gas furnace.  It is usually located inside the home or building.  It contains the fan blower, indoor coil, motor, and control components.     Text Box: home or building.  It is generally used during the colder months when the heating part of your system is being utilized.      Text Box: Humidistat  – A device that senses the amount of  humidity, or moisture in the air, and Text Box: Humidifier – Text Box: A device designed to put moisture into warm air in a    Text Box: © Copyright 2004 20058 Text Box: © Copyright 2004 2007 Text Box: Back to Top Text Box:  Compressor  – The pump of a refrigerating mechanism that draws a low pressure on the cooling side of the  refrigerant cycle and squeezes or compresses the gas into the high pressure or condensing side of the cycle.  Text Box:  For more info about keeping your system operating at it’s best, click here to go to our Prev. Maint. Page.       Text Box: Dirty evaporator coils are one of the major causes of compressor failures & cracked heat exchangers. Small problems that aren’t repaired can  lead to large problems and costly repairs.    Text Box:   If I’m building a new home or installing a system in a home that has never had central heat & air, how do I make sure that I am getting the right size system?   Are efficiency ratings really that important in regards to operating costs?   Text Box: Click here for the answers to these questions and to visit our Why Call Us page.   Text Box:    Refrigerant  – This is the substance used in the refrigerating part of the system.  There are many types of refrigerants, but currently, most systems use R-22 or the new freon Puron (R-410A).  The refrigerant absorbs heat in the evaporator by changing from a liquid to a gas, and it releases its heat in a condenser as the substance returns from the gaseous state back to a liquid state.     Return Air  – Air drawn from the conditioned air in a home or building, into a furnace or fan coil to be reconditioned.   SEER (Seasonal Energy Efficiency Ratio) – It is a measurement of the cooling capacity, which describes the efficiency levels of an a/c condenser or heat pump system versus the amount of electricity used.  It is basically a number, such as 10 or 12, etc. that describes the efficiency level of the condenser.  For more about SEER ratings, please click here to go to our Efficiency ratings page.   Split System – An air conditioning or refrigeration installation that places the condensing unit    Supplementary Electric Heat /Emergency Heat – On a heat pump system, the supplementary heat functions as a back up heating source that utilizes electricity.  This source of heat serves in two capacities.  First, when the outside temperatures drop so low that the heat pump is unable to maintain the desired temperature inside, then the supplementary heat comes on to work in conjunction with the heat pump to help with the heating.  Secondly, it serves as an emergency heat source if the heat pump condenser fails, by functioning as an electric furnace until the heat pump can be repaired.  Thermostat – A device that is used to control the temperature in a home or building by sensing the temperature, and then regulating the system to maintain the desired temperature setting.           Text Box: A/C & Heating Definitions   Text Box:  Air Handler – Usually located inside of the home or building.  It contains the fan blower, heat transfer coil, filter, and housing parts of a system.     BTU – (British Thermal Unit) - Quantity of heat required to raise the temperature of one pound of water one degree Fahrenheit.  Commonly used to describe heating and cooling capacities, such as a 36,000 BTU air conditioner (3 ton system) or an 80,000 BTU furnace.   Charge – The amount of refrigerant placed in a refrigerating unit, such as an a/c system or heat pump system.   Coil (indoor)  –  Also known as the evaporative coil.  It is the part of the fan coil unit that contains the refrigerant.  Generally, it contains aluminum fins, as well as, a number of rows of copper tubing.   Coil (outdoor) – Also known as the condenser coil.  It is the part of the fan coil unit that contains the refrigerant.  Generally, it contains aluminum fins, as well as, a number of rows of copper tubing.       Condensing Unit – The outdoor part of a split system air conditioner.  It contains the outdoor coil and the compressor.  It is the part of a refrigerating mechanism which pumps vaporized refrigerant from the evaporator, compresses it, liquefies it in the condenser and returns it to the refrigerant control.   Duct – Channel through which air is conveyed or moved.  Duct can be constructed out of sheet metal, fiberglass board, or other applicable materials.  However, flex duct is the most common form of duct used in residential, new construction today, as well as, most existing home system installations.   Dual Fuel System/Add on Heat Pump – A system, that is installed to provide heat, which utilizes two different fuel sources, such as installing a heat pump with a gas furnace.   Filter– Device designed catch dust and or small particles in order to keep them from entering the a/c and heating system.  The filter is to be changed or cleaned (whichever is applicable based upon the system) on a regular bases.      Furnace – Self contained part of the system that utilizes electricity, gas, or some other fuel source to produce heat, which is then distributed through the duct system throughout the home or building.   Heat Pump – Compression cycle system used to supply heat to a temperature-controlled space, such as a home.  A heat pump can also remove heat from the same space, which is how a heat pump provides air conditioning to a home or building.              

 

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Text Box:                                 Text Box:     John Meeks    Owner TACLBO22107E  Bowie, Texas 76230                                                                                          

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