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Understanding HVAC: How Heating and Cooling Systems Work

Nov 14

There's nothing that are more relaxing on a hot summer's day than getting into an air-conditioned area. But, exactly, what is happening inside your house to keep it cool?

 

The air conditioning in buildings is part of a larger system known as the heating, ventilation and air conditioning system (or HVAC, which stands for heating, ventilation and air conditioning system). The Heating and cooling Colorado Springs system in your house is in essence an enormous machine that comprises an air conditioning system, a thermostat, and numerous gadgets which cool or heat the air.

 

Knowing the basics of how this system works can be quite beneficial in deciding whether to repair or replace it. This article explains what happens behind the behind the scenes to keep your home cool in summer and warm in winter, in layman's terms.

 

Ventilation duct system (V)

 

Vents for supply and return (also known as registers) and ductwork, as well as filters and a circulating air fan make up the ventilation portion in your HVAC unit. The circulation fan draws air from your home through return vents through the ductwork, and through the heating and cooling systems. The air then flows back into your living spaces through supply vents.

 

This system, also referred to as a forced air system is the foundation for your home's heating and cooling. However, before we get deep into the details of the cooling and heating systems, a quick physics lesson is required.

 

Heat Pump for Heating Systems

 

Although heating systems for domestic use are more varied than their AC counterparts but the basic concept remains the same. The air is inserted into the ductwork of an HVAC device, then heated before being circulated around the home. The greater variety is found in the method by which air is heated.

 

Certain technologies, like heat pumps, are reversed cooling systems. Heat pumps can be used to cool and heat by changing the cold and hot coils. The function of the heater is described above when it is it is in the air conditioning mode. The cold and hot coils are reversed when in heating mode, and the heat pump pulls in air from the outside and then delivers the heat within your home. Some heat pumps even pull heat from beneath the ground.

 

Other methods, such as a furnace, can heat air by burning the fuel (oil or natural gas).

 

central A/C units and furnaces. Heat Pumps

Many homeowners aren't sure how to cool and heat their homes with either a heat pump, or a combination of furnace and central AC.

 

Benefits of heat pumps include:

 

  • Since a heater can both heat and cool just one device needs being maintained.

  • Heat pumps are also more energy-efficient than an equivalent furnace or central air system, while all system types can be found in various efficiency levels.

 

The advantages of a furnace and central air conditioning

 

  • Because each component only runs for a certain amount of time each year, combined systems generally last longer.

  • While this could be subject alteration, for the most part natural gas or the oil used in a furnace was cheaper than electricity.

  • Many experts recommend that a heat-pump is the best choice if the weather isn't as extreme as the freezing point. A central air or furnace system are, however, are generally your best bet if you reside in a climate in which winters are long and cold.

 

Hybrid heating and cooling systems

 

Alongside the two choices that were mentioned earlier, a third hybrid system has recently emerged as a popular choice among homeowners. A hybrid heating system includes a furnace and a heat pump and the other being used depending on the outside temperature.

 

The system is able to determine temperatures at which it is more cost-effective to run the furnace or heat pump (the economic equilibrium point) It then shifts between them as the temperature increases or decreases. Based on your specific environment, a hybrid system may be the most suitable option for you. For help in evaluating your options, consult an expert HVAC contractor.

 

A professional HVAC expert should fix a faulty condenser.

 

You'll be more confident about determining the cause of problems and how they occur now that you've an understanding of how HVAC systems function. You'll also feel more relaxed when speaking to an HVAC contractor or weighing your options.

Elevation Mechanical LLC

Colorado Springs, Co

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