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| Condensation
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The process by which water in air changes from a vapor to a liquid due to a change in temperature or pressure; occurs when water vapor reaches its dew point (condensation point); also used to express the existence of liquid water on a surface. |
| Condense
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(1) To reduce in volume or make more compact. (2) To change a gas into a liquid or solid. |
| Condenser
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The device in an air conditioner or heat pump in which the refrigerant condenses from a gas to a liquid when it is depressurized or cooled. |
| Condenser approach temperature
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The temperature difference between the condenser's refrigerant temperature and the leaving condenser water temperature. An ideal indicator of fouling of condenser tubes, which can significantly degrade chiller efficiency. |
| Condenser coil
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The device in an air conditioner or heat pump through which the refrigerant is circulated and releases heat to the surroundings when a fan blows outside air over the coils. This will return the hot vapor that entered the coil into a hot liquid upon exiting the coil. |
| Condensing furnace
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A type of heating appliance that extracts so much of the available heat content from a combusted fuel that the moisture in the combustion gases condenses before it leaves the furnace. Also this furnace circulates a liquid to cool the furnace's heat exchanger. The heated liquid may either circulate through a liquid-to-air heat exchanger to warm room air, or it may circulate through a coil inside a separate indirect-fired water heater. |
| Condensing unit
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The component of a central air conditioner that is designed to remove heat absorbed by the refrigerant and transfer it outside the conditioned space. |
| Condition
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(1) Any requirement before performance or completion of anything. (2) Anything essential to the existence or occurrence of something else. (3) A clause in an agreement that modifies it any way. (4) To affect, modify or influence. (5) To prepare for something. (6) A proper or healthy state to be in. |
| Conditional commitment
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A written promise by a lender to make a loan, pending certain conditions to be met by the borrower. |
| Conditional offer
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An offer to purchase a piece of real estate provided certain conditions are met. |
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