HVAC vocab
About this set
Created by:
donbryant on October 6, 2011
Description:
HVAC
Classes:
HVAC Seniors, HVAC Juniors 2013
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24 terms
Terms | Definitions |
|---|---|
 Radiant heat | a form of heat that travels extremely fast as infra-red waves |
| Humidifier | a device that supplies moisture |
| Compression | the process or result of becoming smaller or pressed together |
| Heat Transfer | the process whereby heat moves from one body or substance to another by radiation, conduction, convection, or a combination of these methods |
| Thermal Bridging | Rapid heat conduction resulting from direct contact between very thermally conductive materials like metal and glass |
| R-Value | The measure of resistance to heat flow. |
| U-value | A measure of thermal transmittance through a material. |
| Thermal Conductivity | the ability of an object to transfer heat |
| Thermal Mass | materials which absorb sunlight and store it as heat energy, such as brick, stone, concrete, or water |
| british thermal unit | a unit of heat equal to the amount of heat required to raise one pound of water one degree Fahrenheit at one atmosphere pressure |
| Dehumidifier | a small appliance that removes excess moisture from the air. |
| S.E.E.R. | Seasonal Energy Efficiency Ratio |
| Thermostat | a regulator for automatically regulating temperature by starting or stopping the supply of heat |
| Ductwork | the method by which air is channeled from the furnace or the blower coil throughout your home. |
| supply | vent used to distribute heated or cooled air to a room / space |
| return | Vent used to circulate the air back to the HVAC unit |
| conduction | the direct transfer of heat from one substance to another substance that it is touching |
| convection | the transfer of heat through a fluid (liquid or gas) caused by molecular motion |
| combustion | the process of burning |
| cubic feet per minute | A rating that expresses the amount of air a blower or fan can move. The volume of air (measured in cubic feet) that can pass through an opening in one minute. |
| forced air | systems fuel heats air, which is blown through ducts and vents; cool air is returned to the furnance to be reheated |
| filter | device that removes something from whatever passes through it |
| hydronic | An ambiguous term meaning either hot-water space heating or both hot water and steam space heating |
| geo thermal | is heat energy produced by natural processes inside the earth such as hot springs or hot water under the ground. Used to make steam to turn generator turbines and make electricity. |
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