Hot water heater repair, boilers, Furnances, ranges. With over 20 years of experience with Rhode Island's Providence Gas Company and a certificate to work on natural gas products (including boilers and water heaters; furnaces, kitchen, space, and ceiling heaters; pool heaters; ranges and dryers; natural gas fireplaces and restaurant equipment), why not let Gas Doctor service all of your natural gas and propane appliances? Conveniently located in Cranston, The Gas Doctor is a family run business. Rates start at $99 for the initial visit and first 1/2 hour; And it's just $50 per each additional 1/2 hour.If you haven't had a heating inspection for a while, give the Gas Doctor a call today. We'll give your system a thorough checkup so you can start the next season feeling confident.