Sound rating number SRN
Sound Rating Numbers or SRN is a method of measuring and comparing sound levels of air conditioners. Sound is not relevant to the efficiency of a unit but it can affect your comfort level. If your unit has a low sound level, you will hardly notice it is operating while high levels may mean many sleepless nights and annoyed neighbors.
Air conditioning and heating equipment is rated by a sound rating number or SRN which is based on American Refrigeration Institute tests and range from from 6.8 which is the quietest to 13 which is the loudest. Most air conditioners operate at from 7 to 9 bels. It doesn't sound like much but a unit operating at 9 bels is actually 10 times louder than a unit operating at 8 bels.
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Ra-Jac Air Conditioning & Heating has proudly served Galveston County TX since 1966. We pride ourselves on providing top notch service on residential and commercial air conditioning, heating, and refrigeration in the Southern Texas area.
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