Everything You Need to Know About Forced Air Heating



In this article, you will learn everything you need to know about forced air heating, which is a type of heating system that uses an electric resistance heater, heating ducts, or convection blowers to circulate warm air throughout the room.



Introduction: Forced Air Heating

İntroduction forced air heating
İntroduction

Forced air heating is a popular choice in most households for home and office use because it provides increased comfort and lower energy bills than other types. And since it’s not as expensive as central heat, many people choose this method of comfort over central heat.

As a result, forced air heating is a great choice for people who want the option of comfort in a wide range of climates; like people living in north-central states, or people who live in extreme climates where central heat is not an option.

The Components of a Forced Air Heating System

The components of a forced air heating system
The components of a forced air heating system

There are four main components in this type of heating system:



A source of heat such as an electric resistance heater, natural gas furnace, or propane furnace Condensing unit and fan combination Heat-exchange coil or ductwork that distributes heat throughout the room A thermostat to control a fan, blower, or other electrical device to remove air from the room and force it back in when necessary.

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The source of heat is typically located in the main area where there are no windows. This is usually the basement for houses and basements are usually common areas in homes. Areas that do not have natural heating systems installed should utilize forced air systems.

The heat-exchange coil or ductwork is placed in the room where there are no windows, so it can distribute the heat throughout the room. The system allows warm air from the source of heat to be distributed to multiple rooms in a home.



A thermostat controls a fan, blower, or other electrical device to remove air from the room and force it back in when necessary. This keeps the temperature at an even level throughout the house.

Types of Forced Air Heating Systems

Types of forced air heating systems
Types of forced air heating systems

There are two types of forced air heating systems: gravity flow and pressure flow systems. The difference between these systems is based on how they circulate air throughout a building and how energy is expended while doing so.

Pressure forced systems are considered more efficient because they use only air for heat transfer; meaning that they can be made smaller in size than gravity flow systems.

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The following is a comparison of these two systems:

Gravity Flow Systems Pressure Flow Systems Air is the limiting factor in the system. Air is not actually used as a means of heating/cooling the home. Air is needed to circulate through the system, however, gases and liquids are also an effective means of transferring heat. Energy used in circulation of air can be reduced with more efficient motors. More absorption of heat used for heating/cooling. Less energy required to circulate air throughout the building throughout the year, as compared to pressure systems.

Facts About Forced Air Heating Systems

Fact about forced air heating systems
Fact about forced air heating systems

The design of a forced air heating system plays an important role in the efficiency of the system. There are several factors that need to be considered when designing a household heating system. It is important to understand some of these factors before you design your own forced air heating system:

The size of the room where you will be installing your forced air heating system will have an impact on the size and type of equipment needed for installing a forced air heating system. A smaller space may require less equipment, such as fan motors and heat-exchange coils, while a larger space may require more equipment, such as heat exchangers. A larger room will also require more venting. The type of ventilation system used in the home will play an important role in the efficiency of your forced air heating system.

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If you are unsure which type of ventilation system is best for you, contact an HVAC contractor and ask about the pros and cons of certain types of ventilation systems. Having a forced air heating system installed to provide heat in your home may also require that you install additional equipment, such as a thermostat or humidistat. Be sure to include these items when discussing your plans with a HVAC contractor.

An important consideration for energy efficiency is whether or not to have two separate forced air heating systems or only one large forced air heating system. For example, if you have only one heat pump system installed to provide heat in your home may also require that you install additional equipment, such as a thermostat or humidistat. Be sure to include these items when discussing your plans with a HVAC contractor.



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