Sound levels

Portable Air Conditioners from AirControl Systems est 1986


	Sound Level Information

We are providing sound level information to help you understand the expected level of sound from a portable air conditioner. Within a hose type portable air conditioner there is a compressor that is similar to that of your refrigerator only larger plus 2 fan motors. One fan motor discharges the wasted heat out through the hose and the other fan blows the cooled air into the room.

Al portable air conditioning systems make a sound and that is a busy sound and in our experience there is no such thing as a quiet portable air conditioner. However, when in use, particularly in a bedroom you will find that quite often the sound from a portable air conditioner can actually help you sleep as it masks out all other sounds.

Silent Mode on Portable Air Conditioners
Â If you see a portable air conditioner advertised as having a "silent mode" then that can only occur when the unit is switched off.

Before Purchasing Consider Two Things
Firstly will sound levels bother you if you use it in a bedroom. If they do thenÂ you may wish to use a portable air conditioner during the evening to reduce heat andÂ humidity and then switch the unit off before you go to sleep. However for many people being more comfortable outweighs the sound of the unit which given a few days you may get used to.

Secondly consider the location of the unit and the length of hose supplied to ensure that you have no difficulties in reaching a window to vent the exhausted heat. Most portable air conditioners come with an oval flattened adapter that you need to just protrude out of the window so our advice is measure carefully as generally the exhaust hoses can not be extended.


	How loud is dangerous?

190 dBA	Heavy weapons, 10 m behind the weapon (maximum level)
180 dBA	Toy pistol fired close to ear (maximum level)
170 dBA	Slap on the ear, fire cracker explodes on shoulder, small arms at a distance of 50 cm (maximum level)
160 dBA	Hammer stroke on brass tubing or steel plate at 1 m distance, airbag deployment very close at a distance of 30 cm (maximum level)
150 dBA	Hammer stroke in a smithy at 5 m distance (maximum level)
130 dBA	Loud hand clapping at 1 m distance (maximum level)
120 dBA	Whistle at 1 m distance, test run of a jet at 15 m distance
	Threshold of pain, above this fast-acting hearing damage in short action is possible
115 dBA	Take-off sound of planes at 10 m distance
110 dBA	Siren at 10 m distance, frequent sound level in discotheques and close to loudspeakers at rock concerts, violin close to the ear of an orchestra musicians (maximum level)
105 dBA	Chain saw at 1 m distance, banging car door at 1 m distance (maximum level), racing car at 40 m distance, possible level with music head phones
100 dBA	Frequent level with music via head phones, jack hammer at 10 m distance
95 dBA	Loud crying, hand circular saw at 1 m distance
90 dBA	Angle grinder outside at 1 m distance
	Over a duration of 40 hours a week hearing damage is possible
85 dBA	2-stroke chain-saw at 10 m distance, loud WC flush at 1 m distance
80 dBA	Very loud traffic noise of passing lorries at 7.5 m distance, high traffic on an expressway at 25 m distance
75 dBA	Passing car at 7.5 m distance, un-silenced wood shredder at 10 m distance
70 dBA	Level close to a main road by day, quiet hair dryer at 1 m distance to ear
65 dBA	Bad risk of heart circulation disease at constant impact
60 dBA	Noisy lawn mower at 10 m distance
55 dBA	Low volume of radio or TV at 1 m distance, noisy vacuum cleaner at 10 m distance
50 dBA	Refrigerator at 1 m distance, bird twitter outside at 15 m distance
45 dBA	Noise of normal living; talking, or radio in the background
40 dBA	Distraction when learning or concentration possible
35 dBA	Very quiet room fan at low speed at 1 m distance
25 dBA	Sound of breathing at 1 m distance
0 dBA	Auditory threshold

Portable Air Conditioners - Delonghi Portable Air Conditioners - Daitsu Portable Air Conditioners

Sound Level Information