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 considerable effect on comfort and enjoyment of your Savannah home. The sound level of an air conditioner or heat pump depends on a variety of factors, such as how old and who manufactured the equipment, and the degree to which the compressor is insulated can contribute to the amount of noise it makes. Although many heating and cooling systems manufactured today are quieter now more than ever, it's a sound idea to compare sound ratings when evaluating a new air conditioner or heat pump, particularly if the equipment location is near bedrooms or living rooms.