Located in Harrisburg, PA, Service Oil Company is a family-owned-and-operated business that has served the local area for over 85 years. Service Oil Company has kept thousands of families comfortable with our reliable products and dependable service for more than 80 years. We provide more than just heating oil. From installation to 24-hour emergency repair, our expert technicians offer total comfort services - a complete line of heating, air conditioning and plumbing equipment; installation and repairs; value-added upgrades, including humidifiers and electronic air cleaners; and duct cleaning. Service Oil Company - No worries, no hassles. Just comfort. FREE estimate for heating and A/C system installation. 24-hour emergency service Furnace maintenance and repair Heating Oil Propane Plumbing