The difference is not felt,
but experienced.
A system developed by
Falmec in collaboration with
laboratories specialised in the
study of fluid dynamics, NRS®
(Noise Reduction System)
has enabled us to create
a collection of incredibly
quiet ventilation hoods that
effectively enhance the quality
of life in the kitchen.
NRS® technology allows you
to cook, work, talk and listen
to music without hearing the
noise typical of ventilation
hoods, while benefiting
from the best air suction
performance.
Better quality of life,
without noise disturbance
The dynamics of the airflow
being drawn through the hood
was studied using innovative
computer software; this
allowed Falmec to develop
the products so that airflow
is optimised, eliminating any
resistance, the principal cause
of noise in extraction.
Falmec invested time and
resources in the development
of new materials that would be
best suited to this particular
application because of their
sound absorbing qualities.
These materials have been
designed to contain any noise
produced by the movement
of air, further increasing the
reductions in noise already
achieved by the optimisation
of airflow.
Compared to today’s standard hoods, the noise
level has been reduced dramatically. The benefit
in the kitchen is extraordinary. The ‘perception’ of
noise follows a logarithmic scale: each decrease
of 1dB corresponds to a reduction in the perceived
noise level of about 20%. In other words, for every
decrease of 3db perceived noise is halved.
Schematics of a NRS Hood airflow. The
soundproofing of the motor chamber and the
optimization of the airflow path reduce operating
noise to a minimum.
13 — Silence NRS® Beautiful innovations for your kitchen
Up to -86%
less noise.
Thanks to the study of air
flow and to the materials
used, NRS® ventilation hoods
reduce noise to a whisper-
like quiet level. The NRS®
system guarantees extraction
of cooking fumes, and NRS®
hoods also provide superior
sound performance when
using a recirculation filter, or
our long lasting regenerating
carbon filter.
Motor speed
Noise I.E.C.60704-2-13
dB (A) re 1pW
Capacity CFM - I.E.C.615991
normalized piping
Pressure
(Pa)
Motor Power
(W)
Air outlet
(ø inches)
Tangential motor 500 CFM
Data relates to Plane NRS® 36’’
1
37
160
390
130
6’’
2
41
225
440
150
6’’
3
45
290
490
178
6’’
4
53
420
510
224
6’’
NRS® VENTILATION HOOD
STANDARD VENTILATION HOOD
70 db
60 db
50 db
40 db
30 db
NRS
Speed
1
37
49
1
2
41
56
2
3
45
62
3
4
53
68
4
% sound power reduction
45 db
Cappa NRS®
data relates to Plane 36’’
62db
Standard
ventilation hood
Speed
Noise level perception on a standard ventilation hood
150
50
40 45 50 55 60
10%
100%