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Glossary

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Click on the alphabets below to read glossary:

A
Air conditioning: Process of transforming the properties of air (humidity and temperature) to more comfortable conditions, mostly to distribute the conditioned air to an occupied space to improve comfort indoor. By air conditioning we understand heating, cooling, ventilation or any other technology that modifies and improve quality of the air.

Air quality: State of the air standard inside the building that relates to health and comfort. Air quality may be reduced by pollution like dust, bacteria, inadequate level of humidity.

B
Blower: device for moving air in air condition system

Balance Point: outdoor temperature at which heat pump equals heating need of the home. Below that point electric heating is needed to keep comfort temperature indoor.

C
Capacity: Ability of the heating or cooling system to heat or cool given amount of space.

Cooling: Distribution of cooled air to reduce the heat.

Compression: Reducing the volume of vapor or gas in a mechanical way.

D
Damper: Kind of a valve that is used in ducts to regulate the air flow. It helps to control the amount of warm or cool coming into individual rooms in your home.

Duct: Used for transmission air from air conditioning or heating unit to dedicated space.

Ductless Air Conditioner: Wall mounted air conditioner. This system allows you to cool or heat without ductwork or windows.

Ductless Comfort Heating and Cooling: Heating and cooling company established in 1998, located in Toronto, Canada.

E
Efficiency: Rating for fuel-efficiency. You can compare it to miles-per-gallon in cars.
F
Filter: Device for removing dust and other pollution to protect air conditioning equipment and to keep indoor air clean and fresh.

Furnace: Heating device.

Fluid mechanics: Physics branch about forces of fluids.

G
Ground Water-Source: Underground water that is used as a heat source for a heat pump.
H
Heater: Device that emits heat or forces another body to achieve a higher temperature. Typically in a household heater is an object that generates heating.

Heat transfer: Thermal energy exchange between physical systems. It depends on the temperature and pressure, by dissipating heat.

Heat pump: Device for distributing heat energy from a source to a destination in mechanical way. Heat pumps move thermal energy in opposite direction to the natural heat flow by taking heat from a cold space and moving it to a warmer one, and vice-versa.

Humidity: Percentage of water vapor (as an invisible gas) in the air.

Humidity Control: Air conditioning systems usually reduce humidity indoor. Humans’ perspiration is a natural process of cooling. Air-condition equipment role is to create 40%-60% relative humidity as the best conditions.

HVAC: Shortcut for Heating, Ventilation and Air Condition.

I
Indoor unit: A/C unit that is located inside a house.
J
K
L
Load calculation: Measurements to calculate heating and cooling requirements for given amount of space. It helps to install equipment with a proper capacity.
M
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O
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Q
R
Radiator: Device used to distribute thermal energy from one medium to another to cool or heat.
S
T
Temperature: numerical measure of hot and cold.

Thermodynamics: Physics branch about heat and temperature and relations of these factors to energy and work.

Thermal Control: It’s a control of temperature change process to achieve desired temperature.

Thermal Comfort: It’s a feeling that the temperature indoor is accurate and desired. It’s one of the main goals for HVAC design engineers.

U
V
Ventilation: It’s a process of replacing air indoor to achieve high quality air. Its role is to remove any pollution like dust, smoke, odor, bacteria and to control temperature. It keeps indoor air circulation and prevents its stagnation.
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