FAQ on photocatalytic air purification system


I saw TiO2 (titanium)-based environment purification systems, is that the same thing?


No, photocatalysts based on TIO2 only activate with UV RAYS, the main innovative element of PAL System is instead the activation through VISIBLE LIGHT, thus producing a powerful purifying air effect EITHER WITH SOLAR LIGHT OR THE ARTIFICIAL ONE.
That’s why its use is perfect when combined with LED lamps for interior lighting.

On what kind of pollutants is photocatalyst effective?


Photocatalyst is virtually effective on any harmful substance present in the air: bacteria, viruses, dust, molds, allergens, cigarette smoke, etc...

Is the system safe for health?


Yes, the product is absolutely safe for health, air treatment is done by contact without any substance emission in the environment due to the fact that the surface screen’s adhesion is total.
The photocatalyst is classified 0 on the scale of carcinogen risk and during the oxidation process only very small quantities of water and carbon dioxide are produced.

From the tests performed the photocatalyst results:
  • Non-toxic (even if ingested);
  • Harmless to contact (does not cause skin reactions);
  • Innocuous for allergic people

The product (photocatalyst) do not contain dangerous classified substances for the health or the environment in accordance to the dispositions of 67/548/CEE guideline and/or regulation (CE) 1272/2008 (CLP) and subsequent modifications and upgrade.


Does the photocatalyst also remove odors?


Yes, photocatalyst is a great system to eliminate smells, unlike a common deodorizer that eliminates them by encapsulating the substances that cause them, photocatalyst decompose and remove odorous substances at molecular level. Its action continues until the LED lamp remains on.

Is photocatalytic substance perishable?


No, the product does not deteriorate or get consumed during its action. It may only lose effectiveness if the surface on which the product is applied was eventually covered with dirt or dust: the product in fact works in contact with harmful substances. Therefore the lifetime is equal to the lamp’s life.

Were tests on product efficacy performed?


Yes,SEVERAL TESTS have been carried out on the efficacy of the photocatalytic product against the most commonly harmful/ polluting substances present in the air (staphylococcus aureus, Escherichia coli, methicillin-resistant, enterohemorrhagic Escherichia coli, klebsiella pneumoniae, pseudomonas aeruginosa, ecc...); all PERFORMED TESTS results were excellent, under ideal conditions nanomaterials based on WO3 and Platinum nanosilica were able to eliminate up to 90% of harmful substances in the environment in about 6 hours.

Can treated surface be cleaned normally?


Yes, the surface of the lamp can be cleaned with common detergents, cleaning is also recommended to maintain optimum yield.
The product could be damaged only if abrasive tolls (eg: a toothbrush) were used for cleaning, which could "scrape" away the surface.

Where are lamps produced?


All photocatalytic lamps are produced in Italy, built using the engineering skills of our qualified team, lamps are produced with the highest quality materials, such as steel mechanics or aluminium dissipating bodies. All components are verified, assembled and tested in place for greater control and quality, high performance and durability.

What guarantee do they have?


All products are guaranteed 5 years on LEDs and Driver, and 10 years on mechanical parts from the date of the delivery.

What is the relationship "treated area of the lamp/volume of the room"?


We can indicate as ratio a proportion of 125 cm2 of treated surface per 1 m3 of treated area in the room.
This proportion allows a quick calculation of room area/treated surface of the lamps.

For example, using a in 5x5x2.80 m room (70 m3 air volume) as an example, we place 4 lamps with classic 600x600 mm panels installed: we then have 1,44 m2 treated.
Using the ratio, for 70 m3 of room volume 0,88 m2 of treated surface would be sufficient, but we have 1,44: the system is therefore effective.

Is it enough to replace the existing traditional lamps with the photocatalytic ones to obtain the air purification within a room?


Yes, a simply replacing of the lamps in a room is enough to get the air purification because the nanomaterials that compose the product act on direct-contact air.

Photocatalytic lamps are therefore a simple tool to improve the air quality of an environment.

What happens if a split air conditioner is installed in a room to cool/heat the environment?


It is a very good thing: the air in the ambient circulates and gets more in touch with the treated surfaces, increasing the effectiveness of the system.

Does the product applied to the lamp show or alter the lamp output itself?


No, the product consists of a light veil with very high transparency applied to the surface of the lamp; when attached it is invisible and does not affect the chromatic rendering of the light bulb of the stress lamp.

Are the lamps less efficient in a room not exposed to light?


The lamps are designed to work correctly when they are switched on regardless of the amount of light present in the room where they are installed.

Do I have to buy a lamp with a particular light degree of color to have a greater effect?


No, the effectiveness of the lamp depends on the amount of incident light on the treated surface and does not depend on the degree of color.

If the room is very hot (e.g. in summer) is the effect altered?


Not at all; the system works perfectly up to 90°C of room temperature.

How’s the system working if the lamp is off?


Due to the insufficient light on the treated screen surface, the photocatalysis process is not activated and therefore the air treatment does not take place.

Is it possible to mount the lamps also in campers, caravans etc.?


Absolutely yes: given a limited internal volume, the purifying effect is much faster than a normal room.

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