I highly suggest Ron from Gasline. Not a side job guy, but a one man company. He used to do boatloads of Gas Lights when they were all the rage, but now its gas grills and water heaters and I think furnaces. He has done two grills for me, one water heater, and multiple gas grills and heaters for other family members. He is FAST, you call him tonight and he will probably be there in the morning with a tank and have it done in no time. VERY reasonable. Great guy. Gasline Ron 216-905-7350