06/19/2026
Homeowner Checklist: Spotting the signs of historical underground heating oil tanks! 🏗️📐
At Sprucehill, we prioritize thorough site inspections and proactive risk mitigation. If you are exploring the purchase of an older home or preparing for a major structural addition, understanding legacy heating systems is vital. 🏠🔨
Beyond looking for standard exterior vent pipes, you should always check the interior mechanical room for small-gauge copper lines—typically 1/4-inch to 3/8-inch in diameter. These lines acted as the primary fuel supply link between the underground tank and the old furnace. While sometimes reused for alternative utilities, finding these lines is a strong indicator that an undocumented tank could still be buried on your property, exposing you to severe environmental liabilities. Stay alert and always enlist a professional locator. ✨🧱
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