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Module 1                           

Indoor air quality

We spend most of our time indoors.

The air that we breathe may be contaminated either by substances already present or by those brought in from outside. Here, we will deal with the issue of HVAC equipment and its effect on indoor air quality.

Regulatory framework

There is a vast array of regulatory sources: Legislative Decree 81/2008, the regulations issued by the Ministry of Health in the form of guidelines, then adopted by the State-Regions Permanent Conference, and the collection of technical regulations and guidelines issued by national and international public and private organisations. 

Causes and repercussions on human health

Various studies conducted over the years comparing indoor/outdoor air quality have demonstrated that indoor concentrations are generally between 1 and 5 times greater than outdoor concentrations, and that indoor exposure is between 10 and 50 times greater than outdoor exposure. If we consider that in the societies of developed countries, the population spends approximately 75% of their time in closed spaces, we can understand why the phenomenon of indoor pollution is of primary importance in relation to protecting human health.

Inspection and monitoring methods to assess the minimum hygiene requirements of HVAC systems

The following are analysed:

  • all phases and traditional methods relating to the monitoring of the hygiene-maintenance conditions of an HVAC system.
  • operational aspects for the correct structural and operational analysis of equipment and indoor air quality.
  • the reference technical standards and operational protocols.

 

Module 2

Presentation of G-REX

In partnership with specialised research centres, GWA has developed G-Rex, an exclusive system for the “intelligent” monitoring of air conditioning systems: a continuous and active system that monitors hygiene and pollution in HVAC equipment.

With the use of innovative technologies, the system records, processes and transmits periodic information on air quality within the ductwork. Its alert systems ensure a very high level of prevention, without the need to carry out expensive and invasive regular checks.

Here we will set out the various operational phases and the technologies used by the system.

 

Module 3

Potential and added value of G-REX

The G-Rex System offers a clear competitive advantage in the complex hospitality market, as it controls and certifies the quality of the air breathed. This offers a clear reason to choose this product for all customers mindful of their well-being, and of preventing regrettable incidents relating to air quality, which are becoming increasingly frequent given the age of many systems.

The G-Rex System:

  • is easy to install and thanks to wireless technology, does not require work that may compromise the smooth running of the service provided by the accommodation facility;
  • offers financial advantages in terms of installation and management costs, the rationalisation of sanitisation work and the energy saving resulting from the optimal flow of air in the ductwork.