Ferro Fuel Oil, Inc. is Delaware County's leading fuel oil delivery, propane delivery, heating service, and air conditioning service company. Family owned and operated in Boothwyn, PA, Ferro Fuel Oil's full-service offerings include high-efficiency heating system installations and air conditioning installations; boiler, furnace, and water heater service; and air conditioning repair. In addition, we offer heating maintenance, heating emergency service, heating equipment upgrades, heating oil service plans, gas heating service plans, air conditioning maintenance, A/C emergency service, and A/C service plans.