Furnace Repairs, Servicing and Installation Air Net heating & air conditioning can install, repair and provide tune ups for any kind of furnace and almost any kind of residential or commercial heating system. Service Name: Air Conditioner Repairs, Maintenance and Installations Air Net heating & air conditioning can install, repair and provide tune ups for any kind of air conditioner and almost any kind of residential or commercial cooling system. Ductless air conditioners are a specialty.