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What is HVAC? – Explanation of the Industry Acronym

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The mysterious term HVAC is an acronym – a word that is an abbreviation formed from the first letters of other words. In this case, these are the following words: Heating, Ventilation, Air Conditioning.

For sure, high-quality free HVAC service software is responsible for ensuring the proper constant exchange of data in intelligent ways of energy-saving, and environmentally friendly buildings. The abbreviation HVAC is also used to describe the profession (HVAC engineer) or the plumbing industry.

What are HVAC systems? Differences between conventional heating, ventilation, and air conditioning

 To take care of the climate, we must strive to reduce greenhouse gas emissions. This is being achieved through increasingly strict building codes that force the construction of low-energy buildings, preferably using zero-emission and renewable sources.

As stand-alone installations:

  • heating – in the form of stoves, boilers, or energy exchangers
  • air conditioning – split, multi-split
  • or mechanical ventilation systems (especially older types with large ventilation units)

What is free service software for HVAC?

HVAC systems perform the same tasks as independent systems, with the difference that they are fully integrated and, working simultaneously, affect each other. As a result, energy generated in one place can be used in another, making the system more efficient. For example, the use of mechanical ventilation with heat recovery in energy-efficient or passive buildings reduces their energy consumption, which leads to a reduction in the required power of heating devices and, as a result, lower operating costs.

Thus, all components must be properly designed and optimally matched to ensure the high efficiency of the control software. HVAC software is also designed to ensure efficient and timely repairs, communication with contractors, etc. Additionally, with Orcatec’s specialized HVAC software, you can more easily optimize the delivery of uninterrupted fresh, dust-free air, which is essential for the health of your customers, as well as connect with suppliers, partners, and other stakeholders in your CRM system.

Advanced HVAC systems: HVACI, HVACR

The system configuration can be customized to meet individual needs and expectations. In addition to basic devices, advanced solutions are available to ensure, for example, adequate air purity for allergy sufferers, install anti-smog filters, or obtain heat from the ground to support building heating. You can also use anti-condensation, acoustic, fireproof, and many other types of insulation. Most often, you can find systems with advanced features related to additional HVACI insulation or HVACR cooling.


The HVACI abbreviation was expanded with the letter I, which is the first letter of the word ‘Insulation’. This means that to ensure the required parameters in the facility, it is necessary to properly insulate the building, and this fact was taken into account at the design stage. Properly selected insulation limits both heat loss during the heating season and protects against excessive heating of the building in the summer. In addition, properly designed and executed thermal insulation not only protects the walls from harmful external factors but also reduces the cost of heating and air conditioning the entire building.


The abbreviation HVACR (or HVAC-R, or HVAC&R) adds the letter R, which begins the English word Refrigeration.

This means that the facility requires additional functionality related to the need to maintain low temperatures, which is possible only with the use of advanced cooling systems. As a rule, such installations are used in modern industrial facilities, such as cold rooms, warehouses, or food production facilities. To do this, devices and apparatus are added to the HVAC system to further reduce heat energy and support ventilation in the circulation process.

What do we get by using HVAC systems?

Integrated heating, ventilation, and air conditioning systems have, firstly, a much greater ability to manage heat than facilities without such a solution. Thanks to their use, we can get:

  • reduced investment costs due to the absence of the need to install some connections (e.g., gas),
  • lower overall building operation costs due to the autonomous functioning of heating, ventilation, and air conditioning,
  • thermal comfort and improved well-being of users due to the supply of fresh and properly purified air to the premises,
  • the possibility of local temperature control: for example, indicating the heating of only those rooms in which we are staying, or using the heat of the air taken from some parts of the building to heat other parts of it (for example, basements, garages or underground parking lots),
  • protection against the accumulation of excessive moisture, condensation, and freezing, the occurrence of which over time can contribute to the deterioration of the facility’s structure,
  • excellent sound insulation (no need to open windows).

HVAC system installation and software maintenance are the points Orcatec advises you to keep in mind.

Regular inspections and software maintenance of HVAC systems are extremely important, as this is the only way to ensure the best efficiency and performance of the entire system. This is significant because the installation includes many components, and even the slightest failure can affect the rest of the system. A failure of one device can negatively impact the operation of others and can even cause the entire installation to shut down.

When trying to find free HVAC software solutions, you should consider the following factors:

  • availability of service in the place where we plan to install the system
  • response time to a failure
  • availability of original spare parts
  • the frequency of inspection of the system and its components required by the manufacturer


Finally, let’s clarify, is the installation of an integrated heating, ventilation, and air conditioning system only for new buildings? HVAC systems are mainly used in modern, energy-efficient, and passive buildings. However, they can also be successfully used in existing buildings, but mainly in those that require comprehensive modernization. Do not hesitate to contact the Orcatec team to support your HVAC system by finding premium software and implementing it into your business processes.

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