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What Noise Factors do I Need to Consider When Selecting an Air Conditioner or Heat Pump?

February 18, 2014

The industry sound rating numbers are complicated and often difficult to understand. Sound rating is just one of these areas. A difference of 6 decibels (such as between 72 dB and 78 dB) is technically a four-fold increase in compressor sound when rating air conditioners or heat pump units. However, it takes a difference of 10 decibels to double the loudness. It is also noted that it takes approximately 3 decibels for the average human ear to discern any difference in loudness at all. In many cases, the sound rating isn’t as significant a determiner of sound difference to listeners as is the sound characteristics or quality. One type of sound with a lower sound power rating may be more offensive to a homeowner than another with a higher sound power rating. There are other important considerations, such as location, when considering the effects of sound. Our overall product line offers homeowners significant choices. If your community has specific sound requirements, check with your local HVAC company for recommendations.

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