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Granbury Trane Dealer Explains The Three Essential Functions In An H.V.A.C. Unit

Granbury Trane Dealer, Glenn-Aire, Explains The 3 Essential Functions In An H.V.A.C. Unit.

40% of American’s energy consumption is devoted to heating, ventilation & air conditioning. H.V.A.C., as it is otherwise known, serves as a system widely used in the heating & cooling industry. It was first established during the Industrial Revolution, with the incorporation of the inventions & discoveries created by Reuben Trane. It’s defined by three central functions that ensure environmental comfort.


The concept of an internal heating system first appeared with the ancient Romans. Known as Hypocausts, which were installed in the walls & floors of personal villas & public baths. Today, it has evolved into an controlled structure that regulates the temperature of buildings & ensures adequate heat is circulated. Heating systems involve a:

  1. Mechanical room
  2. Furnace/heat pump
  3. Boiler
  4. Air ducts
  5. Vents

in addition to fans that transfer heated air to the rest of the building. During the winter, the heating system draws outside air into the building, heats it, then distributes it through fans & ductworks.


The heating & air conditioning processes usually introduces unwanted air-born materials and it’s the job of ventilation system to counter these effects by cleaning the air either with filters or by mechanical means. During this process, they are not only able remove unnecessary contaminants, including bacteria…they also facilitate the transfer of warm air to cold areas & cold air to warm rooms, when needed.

Air conditioning

This component of the H.V.A.C. system is concerned in the removal of hot air throughout the refrigeration cycle. With refrigerants, an air conditioner is able to absorb the heat in the room, thereby releasing it through the condenser, usually located outside. Contrary to public opinion, air conditioners do not produce cold air, rather just transfer warm air inside to another location, giving way for cold air to occupy the room.

Heating, ventilation & air conditioning systems can either be centralized or separated using split indoor & outdoor equipment. Usually, centralized systems are utilized because of the sq. footage needed to be regulated. However, if the requirements are minimal, individual units are acceptable.

It’s essential that air filters are cleaned or replaced once a month to maintain optimal function. Regular inspection by a licensed professional (twice a year before the start of the summer and winter season) will be required since frequent use can cause early deterioration. Within the first three to five years, a separate, annual check-up is recommended to mend leaks, examine fans, belts & bearings & check out out dampers. These may lead to prolonged system lifespan, better operations & a reduction in energy costs by 15% to 20%.

Granbury Trane Dealer companyGlenn-Aire, was established in 1975 as a sole proprietorship by Glenn D. Cornelius & is located in Granbury, Hood County, Texas. The business has operated uninterrupted under the same name since originally formed. In March of 2005, after 30 years, Glenn decided to retire & turned over the helm to Jeff McKenzie.

For Collin County, TX AC repair, please visit Total Air.
For Hood County, TX AC repair, please visit Glenn-Aire Company.
For Fort Collins, CO AC repair, please visit Poudre Valley Air.

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