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HVAC Dictionary

Heating & Cooling Industry Terms & Definitions

A metric indicating how efficiently a furnace converts fuel to heat over a typical year.

The process of air moving through an environment, crucial in heating and cooling systems.

An organization setting performance standards for air conditioning and refrigeration products.

A device that circulates air within HVAC systems, essential for distributing conditioned air.

A unit in HVAC systems dedicated to enhancing indoor air quality.

Tiny living organisms or fragments of biological materials present in the air.

A measurement unit for heat, indicating the energy required to change the temperature of water.

Represents the amount of heat an HVAC unit can add or remove from a space per hour.

A comprehensive efficiency rating that encompasses heating, cooling, and water heating.

A dangerous, invisible gas emitted by incomplete combustion in heating systems.

A system that cools air centrally and distributes it throughout a structure.

Measurement of airflow volume in cubic feet per minute.

Fan blades made from composite materials, designed for efficiency and quiet operation.

A vital component in HVAC systems, responsible for pressurizing refrigerant.

A device enabling remote monitoring and control of HVAC systems.

Part of the outdoor unit in an HVAC system, crucial for heat exchange.

A device that regulates airflow in ductwork.

Unit measuring sound intensity, important in evaluating HVAC system noise.

An acronym for the Department of Energy, setting standards for energy consumption.

A system using two different energy sources for heating.

Channels in an HVAC system for air distribution.

A device that filters air to remove contaminants.

A label indicating high energy efficiency in HVAC products.

The Environmental Protection Agency, overseeing environmental health.

A component in HVAC systems for absorbing heat.

Heating units specifically designed for garages.

An energy system connected to the electrical grid.

A device in furnaces for transferring heat.

An HVAC unit that provides both heating and cooling.

Orientation of HVAC systems for certain home layouts.

Heating efficiency rating for heat pumps.

Device that adds moisture to indoor air.

Controls humidity levels in a space.

Heating, Ventilation, and Air Conditioning systems.

Compatibility with specific smart thermostat technology.

A specific brand’s smart HVAC control system.

Part of an HVAC system, used in heat transfer.

Contract for grid-tied energy systems.

A family of quality management standards.

Measures air filter efficiency.

Unit for particle size.

Billing system for surplus energy.

Air contaminants in HVAC.

Independent energy systems.

Part of heat exchange.

Airborne contaminants.

Customizable temperature control.

A type of refrigerant.

Fluid in HVAC for heat transfer.

Pipes carrying refrigerant.

Efficient compressor type.

Cooling efficiency rating.

Quiet fan technology.

Combined heating and cooling unit.

Separate indoor and outdoor components.

Panel converting sunlight to energy.

Compatible with solar technology.

Controls temperature and humidity.

Device controlling HVAC operation.

Unit measuring HVAC capacity.

Variable HVAC output with two speeds.

Air direction in HVAC systems.

Adjustable motor speed for efficiency.

A device enhancing indoor air quality.

System dividing a home into areas for individualized climate control.