Is sound an issue for heating and air conditioning? Yes. Noisy heating and cooling equipmentadd to sound pollution.While no cost savings are tied to lower sound levels, the sound rating of a cooling system can have a serious effect on comfort and enjoyment of your Salt Lake City home. The sound level of an air conditioner or heat pump depends on many issues, such as the age and make of the equipment, and the degree to which the compressor is insulated can contribute to the amount of noise it makes. Although most heating and cooling systems manufactured today are quieter than ever before, it's a good idea to compare sound ratings when shopping for a new air conditioner or heat pump, particularly if the equipment location is near bedrooms or living rooms.