Would you recommend using furnace heating oils in my furnace to prevent freezing? Rarely 27% Never 63% Unsure 9% Get Free Quotes Today! Question: Would you recommend using furnace heating oils in my furnace to prevent freezing? Top Answer (63% of 11 votes): Never. Answer: Never Explanation: If it's not made for oil never use oil. Arizona's Best Heating & AC, Inc. Answer: Rarely Explanation: Not used in this area HVAC and More Answer: Never Explanation: Not in texas Fix My AC Inc Get Free Quotes From Local Pros ProMatcher Answer: Never Explanation: In an oil furnace there is an additive to dissipate water that might be in fuel oil. Kohler Heating and Air Conditioning Get Free Quotes Today! Find Local Pros Free Forced Air Furnace Repair Cost Estimates Related Questions Are the fumes emitted from an oil-burning furnace dangerous to humans?Top answer: Yes Can a gas furnace be converted to an electric furnace?Top answer: Never An electric furnace is more energy efficient than a gas furnace.Top answer: False Should a furnace fan be running at all times?Top answer: No Can I use a regular air filter for my furnace filter?Top answer: Yes