Question: how much does it cost to convert from oil to gas in massachusetts?
Answer: According to CBS Boston, switching to a natural gas forced hot air system can cost between $4,500 and $7,000. And according to New England Cable News, conversions will run a household $3,500-$10,000. So you can see a wide swing between $3,500 and $10,000. New gas line installation can cost about $1,000.