Changing from oil heat to gas.I recently purchased a house to flip. The heater needs to be replaced. Is it cost eeffective to switch to a gas heater, there is natural gas already in the house but I am trying to keep cost down and I just purchased 100 gals. of oil. The oil tank is located in the basement, which would also give me room in the unfinished basement, December 20 2012 - US00YesReport a ProblemProblemSelect oneOffensive contentIrrelevant contentSpam (pure self-promotion)OtherDetailsYour emailPlease enter a valid email address.Submit CancelContent flaggedWe will review this content. Thanks for helping make the site more useful to everyone. To learn more, read Zillow's Good Neighbor Policy.We're sorry. This service is temporarily unavailable. Please come back later and try again.