Is sound an issue for heating and air conditioning? Yes. Noisy heating and cooling equipmentadd to sound pollution. Although no monetary savings are tied to less sound in your home, the sound rating of a cooling system can have a considerable effect on comfort and enjoyment of your Dallas home. The sound level of an air conditioner or heat pump depends on a number of things, such as the equipment, and the insulation of the compressor can increase the amount of noise it makes. Although many heating and cooling systems manufactured today are quieter than they ever have been, it's a sound 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.